./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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-trans.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 4e4f4f4fe5f72416e0e44275f74b26f9ea6749f134c13c768c7ed2450972cbc3 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 11:04:48,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 11:04:48,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 11:04:48,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 11:04:48,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 11:04:48,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 11:04:48,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 11:04:48,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 11:04:48,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 11:04:48,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 11:04:48,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 11:04:48,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 11:04:48,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 11:04:48,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 11:04:48,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 11:04:48,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 11:04:48,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 11:04:48,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 11:04:48,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 11:04:48,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 11:04:48,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 11:04:48,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 11:04:48,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 11:04:48,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 11:04:48,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 11:04:48,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 11:04:48,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 11:04:48,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 11:04:48,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 11:04:48,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 11:04:48,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 11:04:48,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 11:04:48,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 11:04:48,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 11:04:48,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 11:04:48,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 11:04:48,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 11:04:48,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 11:04:48,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 11:04:48,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 11:04:48,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 11:04:48,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 11:04:48,662 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 11:04:48,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 11:04:48,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 11:04:48,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 11:04:48,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 11:04:48,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 11:04:48,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 11:04:48,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 11:04:48,666 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 11:04:48,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 11:04:48,667 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 11:04:48,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 11:04:48,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 11:04:48,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 11:04:48,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 11:04:48,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 11:04:48,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 11:04:48,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 11:04:48,669 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 11:04:48,669 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 11:04:48,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 11:04:48,669 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 11:04:48,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 11:04:48,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 11:04:48,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 11:04:48,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 11:04:48,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 11:04:48,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 11:04:48,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 11:04:48,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 11:04:48,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 11:04:48,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 11:04:48,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 11:04:48,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 11:04:48,672 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 11:04:48,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 11:04:48,673 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 11:04:48,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4f4f4fe5f72416e0e44275f74b26f9ea6749f134c13c768c7ed2450972cbc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 11:04:48,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 11:04:48,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 11:04:48,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 11:04:48,987 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 11:04:48,987 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 11:04:48,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-08-30 11:04:50,156 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 11:04:50,365 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 11:04:50,366 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-08-30 11:04:50,374 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8c71cec/27c76ee381994ee8b4a88e813f718c2b/FLAGda8bfdbae [2023-08-30 11:04:50,388 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8c71cec/27c76ee381994ee8b4a88e813f718c2b [2023-08-30 11:04:50,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 11:04:50,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 11:04:50,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 11:04:50,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 11:04:50,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 11:04:50,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:50,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c16d435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50, skipping insertion in model container [2023-08-30 11:04:50,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:50,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 11:04:50,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 11:04:50,766 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-trans.wvr.c[18874,18887] [2023-08-30 11:04:50,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 11:04:50,786 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 11:04:50,880 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-trans.wvr.c[18874,18887] [2023-08-30 11:04:50,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 11:04:50,899 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 11:04:50,899 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 11:04:50,904 INFO L208 MainTranslator]: Completed translation [2023-08-30 11:04:50,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50 WrapperNode [2023-08-30 11:04:50,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 11:04:50,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 11:04:50,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 11:04:50,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 11:04:50,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:50,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,059 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2563 [2023-08-30 11:04:51,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 11:04:51,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 11:04:51,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 11:04:51,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 11:04:51,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 11:04:51,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 11:04:51,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 11:04:51,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 11:04:51,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (1/1) ... [2023-08-30 11:04:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 11:04:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 11:04:51,212 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 11:04:51,246 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 11:04:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 11:04:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 11:04:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 11:04:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 11:04:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 11:04:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 11:04:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 11:04:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 11:04:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 11:04:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 11:04:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 11:04:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 11:04:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 11:04:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 11:04:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 11:04:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 11:04:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 11:04:51,265 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 11:04:51,499 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 11:04:51,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 11:04:53,556 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 11:04:56,979 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 11:04:56,980 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-08-30 11:04:56,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:04:56 BoogieIcfgContainer [2023-08-30 11:04:56,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 11:04:56,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 11:04:56,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 11:04:56,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 11:04:56,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 11:04:50" (1/3) ... [2023-08-30 11:04:56,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4f6c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:04:56, skipping insertion in model container [2023-08-30 11:04:56,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:04:50" (2/3) ... [2023-08-30 11:04:56,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4f6c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:04:56, skipping insertion in model container [2023-08-30 11:04:56,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:04:56" (3/3) ... [2023-08-30 11:04:56,992 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2023-08-30 11:04:57,001 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 11:04:57,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 11:04:57,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2023-08-30 11:04:57,010 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 11:04:58,041 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 11:04:58,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 781 places, 850 transitions, 1724 flow [2023-08-30 11:04:58,397 INFO L130 PetriNetUnfolder]: 79/847 cut-off events. [2023-08-30 11:04:58,397 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 11:04:58,408 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 29. 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. [2023-08-30 11:04:58,408 INFO L82 GeneralOperation]: Start removeDead. Operand has 781 places, 850 transitions, 1724 flow [2023-08-30 11:04:58,422 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 761 places, 829 transitions, 1673 flow [2023-08-30 11:04:58,425 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 11:04:58,433 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 829 transitions, 1673 flow [2023-08-30 11:04:58,435 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 829 transitions, 1673 flow [2023-08-30 11:04:58,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 761 places, 829 transitions, 1673 flow [2023-08-30 11:04:58,656 INFO L130 PetriNetUnfolder]: 78/829 cut-off events. [2023-08-30 11:04:58,657 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 11:04:58,663 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 29. Compared 1695 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. [2023-08-30 11:04:58,684 INFO L119 LiptonReduction]: Number of co-enabled transitions 45198 [2023-08-30 11:07:52,376 INFO L134 LiptonReduction]: Checked pairs total: 56934 [2023-08-30 11:07:52,377 INFO L136 LiptonReduction]: Total number of compositions: 1068 [2023-08-30 11:07:52,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 11:07:52,405 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;@6fd5236d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 11:07:52,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2023-08-30 11:07:52,408 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-30 11:07:52,409 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 11:07:52,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 11:07:52,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-30 11:07:52,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 11:07:52,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 11:07:52,416 INFO L85 PathProgramCache]: Analyzing trace with hash 298830, now seen corresponding path program 1 times [2023-08-30 11:07:52,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 11:07:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143277218] [2023-08-30 11:07:52,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 11:07:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 11:07:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 11:07:53,051 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 11:07:53,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 11:07:53,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143277218] [2023-08-30 11:07:53,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143277218] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 11:07:53,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 11:07:53,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 11:07:53,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875422177] [2023-08-30 11:07:53,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 11:07:53,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 11:07:53,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 11:07:53,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 11:07:53,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 11:07:53,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1918 [2023-08-30 11:07:53,286 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) [2023-08-30 11:07:53,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 11:07:53,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1918 [2023-08-30 11:07:53,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 11:09:22,535 INFO L130 PetriNetUnfolder]: 116767/157557 cut-off events. [2023-08-30 11:09:22,535 INFO L131 PetriNetUnfolder]: For 3462/3462 co-relation queries the response was YES. [2023-08-30 11:09:22,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317895 conditions, 157557 events. 116767/157557 cut-off events. For 3462/3462 co-relation queries the response was YES. Maximal size of possible extension queue 13015. Compared 1107624 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. [2023-08-30 11:09:23,558 INFO L137 encePairwiseOnDemand]: 1843/1918 looper letters, 213 selfloop transitions, 24 changer transitions 0/237 dead transitions. [2023-08-30 11:09:23,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 237 transitions, 978 flow [2023-08-30 11:09:23,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 11:09:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 11:09:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2023-08-30 11:09:23,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39520333680917624 [2023-08-30 11:09:23,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2274 transitions. [2023-08-30 11:09:23,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2274 transitions. [2023-08-30 11:09:23,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 11:09:23,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2274 transitions. [2023-08-30 11:09:23,600 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) [2023-08-30 11:09:23,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1918.0) internal successors, (7672), 4 states have internal predecessors, (7672), 0 states have call successors, (0), 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 11:09:23,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1918.0) internal successors, (7672), 4 states have internal predecessors, (7672), 0 states have call successors, (0), 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 11:09:23,624 INFO L175 Difference]: Start difference. First operand has 144 places, 158 transitions, 331 flow. Second operand 3 states and 2274 transitions. [2023-08-30 11:09:23,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 237 transitions, 978 flow [2023-08-30 11:09:23,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 237 transitions, 960 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-30 11:09:23,659 INFO L231 Difference]: Finished difference. Result has 116 places, 154 transitions, 504 flow [2023-08-30 11:09:23,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1918, 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} [2023-08-30 11:09:23,666 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -28 predicate places. [2023-08-30 11:09:23,668 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 154 transitions, 504 flow [2023-08-30 11:09:23,670 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) [2023-08-30 11:09:23,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 11:09:23,671 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 11:09:23,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 11:09:23,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 11:09:23,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 11:09:23,679 INFO L85 PathProgramCache]: Analyzing trace with hash 9277174, now seen corresponding path program 1 times [2023-08-30 11:09:23,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 11:09:23,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665875147] [2023-08-30 11:09:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 11:09:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 11:09:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 11:09:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 11:09:23,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 11:09:23,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665875147] [2023-08-30 11:09:23,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665875147] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 11:09:23,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67550466] [2023-08-30 11:09:23,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 11:09:23,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 11:09:23,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 11:09:23,825 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) [2023-08-30 11:09:23,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 11:09:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 11:09:24,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-30 11:09:24,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 11:09:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 11:09:25,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 11:09:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67550466] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 11:09:25,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 11:09:25,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-08-30 11:09:25,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993285190] [2023-08-30 11:09:25,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 11:09:25,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 11:09:25,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 11:09:25,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 11:09:25,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 11:09:25,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1918 [2023-08-30 11:09:25,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 154 transitions, 504 flow. Second operand has 4 states, 4 states have (on average 653.75) internal successors, (2615), 4 states have internal predecessors, (2615), 0 states have call successors, (0), 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 11:09:25,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 11:09:25,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1918 [2023-08-30 11:09:25,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 11:10:53,730 INFO L130 PetriNetUnfolder]: 116767/157545 cut-off events. [2023-08-30 11:10:53,731 INFO L131 PetriNetUnfolder]: For 840/840 co-relation queries the response was YES. [2023-08-30 11:10:53,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316985 conditions, 157545 events. 116767/157545 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 11875. Compared 1095551 event pairs, 94200 based on Foata normal form. 0/39177 useless extension candidates. Maximal degree in co-relation 158423. Up to 78779 conditions per place. [2023-08-30 11:10:54,412 INFO L137 encePairwiseOnDemand]: 1882/1918 looper letters, 201 selfloop transitions, 24 changer transitions 0/225 dead transitions. [2023-08-30 11:10:54,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 225 transitions, 1078 flow [2023-08-30 11:10:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 11:10:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 11:10:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2849 transitions. [2023-08-30 11:10:54,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37135036496350365 [2023-08-30 11:10:54,421 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2849 transitions. [2023-08-30 11:10:54,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2849 transitions. [2023-08-30 11:10:54,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 11:10:54,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2849 transitions. [2023-08-30 11:10:54,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 712.25) internal successors, (2849), 4 states have internal predecessors, (2849), 0 states have call successors, (0), 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 11:10:54,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1918.0) internal successors, (9590), 5 states have internal predecessors, (9590), 0 states have call successors, (0), 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 11:10:54,444 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1918.0) internal successors, (9590), 5 states have internal predecessors, (9590), 0 states have call successors, (0), 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 11:10:54,445 INFO L175 Difference]: Start difference. First operand has 116 places, 154 transitions, 504 flow. Second operand 4 states and 2849 transitions. [2023-08-30 11:10:54,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 225 transitions, 1078 flow [2023-08-30 11:10:54,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 225 transitions, 1030 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 11:10:54,451 INFO L231 Difference]: Finished difference. Result has 105 places, 142 transitions, 456 flow [2023-08-30 11:10:54,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1918, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=456, PETRI_PLACES=105, PETRI_TRANSITIONS=142} [2023-08-30 11:10:54,452 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -39 predicate places. [2023-08-30 11:10:54,452 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 142 transitions, 456 flow [2023-08-30 11:10:54,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 653.75) internal successors, (2615), 4 states have internal predecessors, (2615), 0 states have call successors, (0), 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 11:10:54,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 11:10:54,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 11:10:54,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 11:10:54,666 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 [2023-08-30 11:10:54,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-08-30 11:10:54,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 11:10:54,667 INFO L85 PathProgramCache]: Analyzing trace with hash 9277314, now seen corresponding path program 1 times [2023-08-30 11:10:54,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 11:10:54,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128082114] [2023-08-30 11:10:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 11:10:54,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 11:10:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 11:10:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 11:10:54,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 11:10:54,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128082114] [2023-08-30 11:10:54,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128082114] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 11:10:54,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826575159] [2023-08-30 11:10:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 11:10:54,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 11:10:54,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 11:10:54,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 11:10:54,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-30 11:10:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 11:10:55,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-30 11:10:55,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 11:10:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 11:10:55,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 11:10:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 11:10:55,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826575159] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 11:10:55,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 11:10:55,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-08-30 11:10:55,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110802091] [2023-08-30 11:10:55,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 11:10:55,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 11:10:55,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 11:10:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 11:10:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-30 11:10:56,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1918 [2023-08-30 11:10:56,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 142 transitions, 456 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) [2023-08-30 11:10:56,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 11:10:56,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1918 [2023-08-30 11:10:56,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand