./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.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 AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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-Reach-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 ! call(reach_error())) ) --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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 19:08:29,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 19:08:29,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 19:08:29,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 19:08:29,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 19:08:29,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 19:08:29,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 19:08:29,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 19:08:29,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 19:08:29,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 19:08:29,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 19:08:29,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 19:08:29,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 19:08:29,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 19:08:29,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 19:08:29,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 19:08:29,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 19:08:29,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 19:08:29,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 19:08:29,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 19:08:29,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 19:08:29,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 19:08:29,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 19:08:29,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 19:08:29,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 19:08:29,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 19:08:29,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 19:08:29,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 19:08:29,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 19:08:29,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 19:08:29,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 19:08:29,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 19:08:29,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 19:08:29,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 19:08:29,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 19:08:29,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 19:08:29,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 19:08:29,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 19:08:29,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 19:08:29,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 19:08:29,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 19:08:29,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 19:08:29,925 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 19:08:29,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 19:08:29,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 19:08:29,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 19:08:29,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 19:08:29,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 19:08:29,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 19:08:29,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 19:08:29,929 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 19:08:29,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 19:08:29,930 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 19:08:29,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 19:08:29,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 19:08:29,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 19:08:29,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 19:08:29,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 19:08:29,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 19:08:29,931 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 19:08:29,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 19:08:29,932 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 19:08:29,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 19:08:29,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 19:08:29,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 19:08:29,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 19:08:29,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 19:08:29,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 19:08:29,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 19:08:29,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 19:08:29,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 19:08:29,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 19:08:29,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 19:08:29,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 19:08:29,939 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 19:08:29,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 19:08:29,939 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 19:08:29,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 088f6c2624c9ef470b1e5d5938ff0e2c2948b61c2ac98da6e426747245a7aaad Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 19:08:30,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 19:08:30,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 19:08:30,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 19:08:30,256 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 19:08:30,257 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 19:08:30,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-08-30 19:08:31,494 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 19:08:31,770 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 19:08:31,771 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-08-30 19:08:31,780 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddbcb59f7/40652849b65844e299682217f2e9023f/FLAG0c3154904 [2023-08-30 19:08:31,793 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddbcb59f7/40652849b65844e299682217f2e9023f [2023-08-30 19:08:31,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 19:08:31,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 19:08:31,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 19:08:31,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 19:08:31,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 19:08:31,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:08:31" (1/1) ... [2023-08-30 19:08:31,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e29117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:31, skipping insertion in model container [2023-08-30 19:08:31,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:08:31" (1/1) ... [2023-08-30 19:08:31,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 19:08:31,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 19:08:32,128 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] [2023-08-30 19:08:32,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 19:08:32,151 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 19:08:32,254 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] [2023-08-30 19:08:32,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 19:08:32,265 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 19:08:32,266 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 19:08:32,271 INFO L208 MainTranslator]: Completed translation [2023-08-30 19:08:32,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32 WrapperNode [2023-08-30 19:08:32,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 19:08:32,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 19:08:32,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 19:08:32,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 19:08:32,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,402 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2365 [2023-08-30 19:08:32,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 19:08:32,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 19:08:32,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 19:08:32,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 19:08:32,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 19:08:32,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 19:08:32,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 19:08:32,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 19:08:32,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (1/1) ... [2023-08-30 19:08:32,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 19:08:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 19:08:32,575 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 19:08:32,584 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 19:08:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 19:08:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 19:08:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 19:08:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 19:08:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 19:08:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 19:08:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 19:08:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 19:08:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 19:08:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 19:08:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 19:08:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 19:08:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 19:08:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 19:08:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 19:08:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 19:08:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 19:08:32,632 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 19:08:32,818 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 19:08:32,820 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 19:08:34,540 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 19:08:36,837 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 19:08:36,837 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-08-30 19:08:36,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 07:08:36 BoogieIcfgContainer [2023-08-30 19:08:36,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 19:08:36,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 19:08:36,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 19:08:36,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 19:08:36,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 07:08:31" (1/3) ... [2023-08-30 19:08:36,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df95a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 07:08:36, skipping insertion in model container [2023-08-30 19:08:36,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:08:32" (2/3) ... [2023-08-30 19:08:36,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df95a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 07:08:36, skipping insertion in model container [2023-08-30 19:08:36,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 07:08:36" (3/3) ... [2023-08-30 19:08:36,847 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-08-30 19:08:36,855 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 19:08:36,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 19:08:36,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 19:08:36,863 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 19:08:37,243 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 19:08:37,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 657 places, 726 transitions, 1476 flow [2023-08-30 19:08:37,583 INFO L130 PetriNetUnfolder]: 79/723 cut-off events. [2023-08-30 19:08:37,583 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 19:08:37,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 723 events. 79/723 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 929 event pairs, 0 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 642. Up to 7 conditions per place. [2023-08-30 19:08:37,592 INFO L82 GeneralOperation]: Start removeDead. Operand has 657 places, 726 transitions, 1476 flow [2023-08-30 19:08:37,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 644 places, 713 transitions, 1444 flow [2023-08-30 19:08:37,603 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 19:08:37,611 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 713 transitions, 1444 flow [2023-08-30 19:08:37,613 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 713 transitions, 1444 flow [2023-08-30 19:08:37,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 644 places, 713 transitions, 1444 flow [2023-08-30 19:08:37,789 INFO L130 PetriNetUnfolder]: 79/713 cut-off events. [2023-08-30 19:08:37,789 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 19:08:37,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 713 events. 79/713 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 931 event pairs, 0 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 642. Up to 7 conditions per place. [2023-08-30 19:08:37,802 INFO L119 LiptonReduction]: Number of co-enabled transitions 22110 [2023-08-30 19:09:51,716 INFO L134 LiptonReduction]: Checked pairs total: 22445 [2023-08-30 19:09:51,717 INFO L136 LiptonReduction]: Total number of compositions: 849 [2023-08-30 19:09:51,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 19:09:51,735 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;@6ac591e9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 19:09:51,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-30 19:09:51,795 INFO L130 PetriNetUnfolder]: 24/57 cut-off events. [2023-08-30 19:09:51,795 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 19:09:51,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 19:09:51,796 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 19:09:51,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-08-30 19:09:51,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 19:09:51,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1506170434, now seen corresponding path program 1 times [2023-08-30 19:09:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 19:09:51,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605498638] [2023-08-30 19:09:51,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 19:09:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 19:09:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 19:09:52,606 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 19:09:52,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 19:09:52,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605498638] [2023-08-30 19:09:52,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605498638] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 19:09:52,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 19:09:52,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 19:09:52,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386111245] [2023-08-30 19:09:52,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 19:09:52,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 19:09:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 19:09:52,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 19:09:52,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 19:09:52,833 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1575 [2023-08-30 19:09:52,838 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 58 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 604.3333333333334) internal successors, (1813), 3 states have internal predecessors, (1813), 0 states have call successors, (0), 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 19:09:52,838 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 19:09:52,838 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1575 [2023-08-30 19:09:52,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 19:09:54,642 INFO L130 PetriNetUnfolder]: 873/1102 cut-off events. [2023-08-30 19:09:54,642 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-30 19:09:54,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 1102 events. 873/1102 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2595 event pairs, 333 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 1844. Up to 1097 conditions per place. [2023-08-30 19:09:54,648 INFO L137 encePairwiseOnDemand]: 1562/1575 looper letters, 52 selfloop transitions, 12 changer transitions 0/64 dead transitions. [2023-08-30 19:09:54,649 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 64 transitions, 274 flow [2023-08-30 19:09:54,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 19:09:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 19:09:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1855 transitions. [2023-08-30 19:09:54,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3925925925925926 [2023-08-30 19:09:54,673 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1855 transitions. [2023-08-30 19:09:54,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1855 transitions. [2023-08-30 19:09:54,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 19:09:54,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1855 transitions. [2023-08-30 19:09:54,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 618.3333333333334) internal successors, (1855), 3 states have internal predecessors, (1855), 0 states have call successors, (0), 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 19:09:54,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 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 19:09:54,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 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 19:09:54,705 INFO L175 Difference]: Start difference. First operand has 44 places, 58 transitions, 134 flow. Second operand 3 states and 1855 transitions. [2023-08-30 19:09:54,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 64 transitions, 274 flow [2023-08-30 19:09:54,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 64 transitions, 262 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-30 19:09:54,714 INFO L231 Difference]: Finished difference. Result has 41 places, 64 transitions, 184 flow [2023-08-30 19:09:54,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1575, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=41, PETRI_TRANSITIONS=64} [2023-08-30 19:09:54,718 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -3 predicate places. [2023-08-30 19:09:54,718 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 64 transitions, 184 flow [2023-08-30 19:09:54,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 604.3333333333334) internal successors, (1813), 3 states have internal predecessors, (1813), 0 states have call successors, (0), 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 19:09:54,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 19:09:54,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 19:09:54,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 19:09:54,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-08-30 19:09:54,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 19:09:54,722 INFO L85 PathProgramCache]: Analyzing trace with hash 686701804, now seen corresponding path program 1 times [2023-08-30 19:09:54,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 19:09:54,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577165104] [2023-08-30 19:09:54,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 19:09:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 19:09:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 19:09:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-30 19:09:55,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 19:09:55,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577165104] [2023-08-30 19:09:55,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577165104] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 19:09:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025601972] [2023-08-30 19:09:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 19:09:55,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 19:09:55,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 19:09:55,089 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 19:09:55,109 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 19:09:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 19:09:55,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-30 19:09:55,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 19:09:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-30 19:09:55,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 19:09:55,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025601972] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 19:09:55,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 19:09:55,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-08-30 19:09:55,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126362118] [2023-08-30 19:09:55,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 19:09:55,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 19:09:55,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 19:09:55,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 19:09:55,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 19:09:56,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1575 [2023-08-30 19:09:56,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 64 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 606.3333333333334) internal successors, (1819), 3 states have internal predecessors, (1819), 0 states have call successors, (0), 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 19:09:56,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 19:09:56,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1575 [2023-08-30 19:09:56,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 19:09:57,574 INFO L130 PetriNetUnfolder]: 873/1108 cut-off events. [2023-08-30 19:09:57,575 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 19:09:57,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2266 conditions, 1108 events. 873/1108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2595 event pairs, 333 based on Foata normal form. 1/575 useless extension candidates. Maximal degree in co-relation 2169. Up to 1103 conditions per place. [2023-08-30 19:09:57,579 INFO L137 encePairwiseOnDemand]: 1562/1575 looper letters, 58 selfloop transitions, 12 changer transitions 0/70 dead transitions. [2023-08-30 19:09:57,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 70 transitions, 336 flow [2023-08-30 19:09:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 19:09:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 19:09:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1855 transitions. [2023-08-30 19:09:57,590 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3925925925925926 [2023-08-30 19:09:57,590 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1855 transitions. [2023-08-30 19:09:57,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1855 transitions. [2023-08-30 19:09:57,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 19:09:57,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1855 transitions. [2023-08-30 19:09:57,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 618.3333333333334) internal successors, (1855), 3 states have internal predecessors, (1855), 0 states have call successors, (0), 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 19:09:57,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 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 19:09:57,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 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 19:09:57,606 INFO L175 Difference]: Start difference. First operand has 41 places, 64 transitions, 184 flow. Second operand 3 states and 1855 transitions. [2023-08-30 19:09:57,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 70 transitions, 336 flow [2023-08-30 19:09:57,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 70 transitions, 324 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 19:09:57,609 INFO L231 Difference]: Finished difference. Result has 43 places, 70 transitions, 234 flow [2023-08-30 19:09:57,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1575, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=43, PETRI_TRANSITIONS=70} [2023-08-30 19:09:57,610 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2023-08-30 19:09:57,610 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 70 transitions, 234 flow [2023-08-30 19:09:57,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 606.3333333333334) internal successors, (1819), 3 states have internal predecessors, (1819), 0 states have call successors, (0), 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 19:09:57,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 19:09:57,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 19:09:57,627 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 19:09:57,821 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 19:09:57,822 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-08-30 19:09:57,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 19:09:57,822 INFO L85 PathProgramCache]: Analyzing trace with hash -958956805, now seen corresponding path program 1 times [2023-08-30 19:09:57,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 19:09:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402628152] [2023-08-30 19:09:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 19:09:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 19:09:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 19:09:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-08-30 19:09:58,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 19:09:58,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402628152] [2023-08-30 19:09:58,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402628152] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 19:09:58,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877441316] [2023-08-30 19:09:58,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 19:09:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 19:09:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 19:09:58,170 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 19:09:58,200 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 19:09:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 19:09:58,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-30 19:09:58,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 19:09:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-08-30 19:09:58,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 19:09:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-08-30 19:09:59,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877441316] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 19:09:59,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 19:09:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-08-30 19:09:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580010269] [2023-08-30 19:09:59,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 19:09:59,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 19:09:59,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 19:09:59,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 19:09:59,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-30 19:09:59,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 1575 [2023-08-30 19:09:59,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 70 transitions, 234 flow. Second operand has 8 states, 8 states have (on average 578.25) internal successors, (4626), 8 states have internal predecessors, (4626), 0 states have call successors, (0), 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 19:09:59,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 19:09:59,446 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 1575 [2023-08-30 19:09:59,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 19:10:01,118 INFO L130 PetriNetUnfolder]: 873/1144 cut-off events. [2023-08-30 19:10:01,118 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 19:10:01,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2394 conditions, 1144 events. 873/1144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2595 event pairs, 333 based on Foata normal form. 18/628 useless extension candidates. Maximal degree in co-relation 2287. Up to 1097 conditions per place. [2023-08-30 19:10:01,124 INFO L137 encePairwiseOnDemand]: 1550/1575 looper letters, 46 selfloop transitions, 60 changer transitions 0/106 dead transitions. [2023-08-30 19:10:01,124 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 106 transitions, 590 flow [2023-08-30 19:10:01,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-30 19:10:01,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-30 19:10:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4710 transitions. [2023-08-30 19:10:01,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3738095238095238 [2023-08-30 19:10:01,137 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4710 transitions. [2023-08-30 19:10:01,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4710 transitions. [2023-08-30 19:10:01,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 19:10:01,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4710 transitions. [2023-08-30 19:10:01,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 588.75) internal successors, (4710), 8 states have internal predecessors, (4710), 0 states have call successors, (0), 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 19:10:01,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1575.0) internal successors, (14175), 9 states have internal predecessors, (14175), 0 states have call successors, (0), 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 19:10:01,174 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1575.0) internal successors, (14175), 9 states have internal predecessors, (14175), 0 states have call successors, (0), 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 19:10:01,174 INFO L175 Difference]: Start difference. First operand has 43 places, 70 transitions, 234 flow. Second operand 8 states and 4710 transitions. [2023-08-30 19:10:01,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 106 transitions, 590 flow [2023-08-30 19:10:01,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 106 transitions, 578 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 19:10:01,178 INFO L231 Difference]: Finished difference. Result has 52 places, 106 transitions, 576 flow [2023-08-30 19:10:01,179 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1575, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=576, PETRI_PLACES=52, PETRI_TRANSITIONS=106} [2023-08-30 19:10:01,179 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2023-08-30 19:10:01,180 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 106 transitions, 576 flow [2023-08-30 19:10:01,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 578.25) internal successors, (4626), 8 states have internal predecessors, (4626), 0 states have call successors, (0), 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 19:10:01,182 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 19:10:01,182 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 19:10:01,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-30 19:10:01,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-08-30 19:10:01,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-08-30 19:10:01,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 19:10:01,393 INFO L85 PathProgramCache]: Analyzing trace with hash 850040076, now seen corresponding path program 2 times [2023-08-30 19:10:01,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 19:10:01,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913288429] [2023-08-30 19:10:01,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 19:10:01,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 19:10:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 19:10:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-08-30 19:10:02,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 19:10:02,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913288429] [2023-08-30 19:10:02,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913288429] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 19:10:02,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21351717] [2023-08-30 19:10:02,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 19:10:02,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 19:10:02,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 19:10:02,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 19:10:02,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-30 19:10:02,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-30 19:10:02,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 19:10:02,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 18 conjunts are in the unsatisfiable core [2023-08-30 19:10:02,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 19:10:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 19:10:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 19:10:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 19:10:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 19:10:07,642 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2023-08-30 19:10:07,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 446 treesize of output 411 [2023-08-30 19:10:07,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-08-30 19:10:08,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-08-30 19:10:08,428 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-30 19:10:08,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2023-08-30 19:12:01,020 WARN L222 SmtUtils]: Spent 1.73m on a formula simplification. DAG size of input: 258 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 19:12:29,559 WARN L222 SmtUtils]: Spent 24.23s on a formula simplification that was a NOOP. DAG size: 2739 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-30 19:12:29,560 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-30 19:12:29,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 37 select indices, 37 select index equivalence classes, 0 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 666 case distinctions, treesize of input 3547 treesize of output 8331 Killed by 15