./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl/match-subst.wvr.c --full-output -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c2bbc92 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl/match-subst.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 24b79a7f7aa6940bcd71abd84f516407de66c44d -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-05 22:17:41,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-05 22:17:41,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-05 22:17:41,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-05 22:17:41,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-05 22:17:41,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-05 22:17:41,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-05 22:17:41,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-05 22:17:41,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-05 22:17:41,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-05 22:17:41,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-05 22:17:41,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-05 22:17:41,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-05 22:17:41,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-05 22:17:41,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-05 22:17:41,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-05 22:17:41,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-05 22:17:41,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-05 22:17:41,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-05 22:17:41,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-05 22:17:41,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-05 22:17:41,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-05 22:17:41,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-05 22:17:41,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-05 22:17:41,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-05 22:17:41,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-05 22:17:41,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-05 22:17:41,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-05 22:17:41,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-05 22:17:41,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-05 22:17:41,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-05 22:17:41,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-05 22:17:41,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-05 22:17:41,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-05 22:17:41,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-05 22:17:41,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-05 22:17:41,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-05 22:17:41,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-05 22:17:41,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-05 22:17:41,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-05 22:17:41,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-05 22:17:41,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-05 22:17:41,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-05 22:17:41,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-05 22:17:41,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-05 22:17:41,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-05 22:17:41,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-05 22:17:41,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-05 22:17:41,956 INFO L138 SettingsManager]: * Use SBE=true [2021-10-05 22:17:41,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-05 22:17:41,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-05 22:17:41,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-05 22:17:41,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-05 22:17:41,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-05 22:17:41,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-05 22:17:41,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-05 22:17:41,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-05 22:17:41,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-05 22:17:41,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-05 22:17:41,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-05 22:17:41,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-05 22:17:41,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-05 22:17:41,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-05 22:17:41,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-05 22:17:41,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 22:17:41,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-05 22:17:41,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-05 22:17:41,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-05 22:17:41,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-05 22:17:41,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-05 22:17:41,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-05 22:17:41,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-05 22:17:41,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b79a7f7aa6940bcd71abd84f516407de66c44d [2021-10-05 22:17:42,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-05 22:17:42,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-05 22:17:42,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-05 22:17:42,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-05 22:17:42,379 INFO L275 PluginConnector]: CDTParser initialized [2021-10-05 22:17:42,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/match-subst.wvr.c [2021-10-05 22:17:42,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2cfaf536/f33ac0ff3554425aa9d168a6cb2a532c/FLAG0148b6493 [2021-10-05 22:17:43,114 INFO L306 CDTParser]: Found 1 translation units. [2021-10-05 22:17:43,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-subst.wvr.c [2021-10-05 22:17:43,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2cfaf536/f33ac0ff3554425aa9d168a6cb2a532c/FLAG0148b6493 [2021-10-05 22:17:43,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2cfaf536/f33ac0ff3554425aa9d168a6cb2a532c [2021-10-05 22:17:43,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-05 22:17:43,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-05 22:17:43,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-05 22:17:43,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-05 22:17:43,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-05 22:17:43,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5f4afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43, skipping insertion in model container [2021-10-05 22:17:43,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-05 22:17:43,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-05 22:17:43,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-subst.wvr.c[2978,2991] [2021-10-05 22:17:43,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 22:17:43,400 INFO L203 MainTranslator]: Completed pre-run [2021-10-05 22:17:43,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/match-subst.wvr.c[2978,2991] [2021-10-05 22:17:43,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-05 22:17:43,464 INFO L208 MainTranslator]: Completed translation [2021-10-05 22:17:43,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43 WrapperNode [2021-10-05 22:17:43,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-05 22:17:43,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-05 22:17:43,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-05 22:17:43,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-05 22:17:43,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-05 22:17:43,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-05 22:17:43,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-05 22:17:43,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-05 22:17:43,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-05 22:17:43,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-05 22:17:43,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-05 22:17:43,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-05 22:17:43,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (1/1) ... [2021-10-05 22:17:43,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-05 22:17:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-05 22:17:43,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-05 22:17:43,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-05 22:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-05 22:17:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-05 22:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-05 22:17:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-05 22:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-05 22:17:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-05 22:17:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-05 22:17:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-05 22:17:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-05 22:17:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-05 22:17:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-05 22:17:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-05 22:17:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-05 22:17:43,686 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-05 22:17:44,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-05 22:17:44,086 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-05 22:17:44,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:17:44 BoogieIcfgContainer [2021-10-05 22:17:44,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-05 22:17:44,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-05 22:17:44,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-05 22:17:44,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-05 22:17:44,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:17:43" (1/3) ... [2021-10-05 22:17:44,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65801add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:17:44, skipping insertion in model container [2021-10-05 22:17:44,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:17:43" (2/3) ... [2021-10-05 22:17:44,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65801add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:17:44, skipping insertion in model container [2021-10-05 22:17:44,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:17:44" (3/3) ... [2021-10-05 22:17:44,098 INFO L111 eAbstractionObserver]: Analyzing ICFG match-subst.wvr.c [2021-10-05 22:17:44,104 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-05 22:17:44,104 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-05 22:17:44,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-05 22:17:44,105 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-05 22:17:44,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,215 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,215 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,216 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,216 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,216 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,216 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,236 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,236 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,237 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,238 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,239 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,247 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,249 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,249 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,256 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,257 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,257 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,257 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,258 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,268 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,269 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,269 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-05 22:17:44,290 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-05 22:17:44,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-05 22:17:44,349 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-05 22:17:44,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-05 22:17:44,369 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-05 22:17:44,381 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 167 transitions, 358 flow [2021-10-05 22:17:44,385 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 167 transitions, 358 flow [2021-10-05 22:17:44,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 167 transitions, 358 flow [2021-10-05 22:17:44,488 INFO L129 PetriNetUnfolder]: 14/164 cut-off events. [2021-10-05 22:17:44,489 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-05 22:17:44,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 164 events. 14/164 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 236 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2021-10-05 22:17:44,505 INFO L116 LiptonReduction]: Number of co-enabled transitions 4488 [2021-10-05 22:17:51,965 INFO L131 LiptonReduction]: Checked pairs total: 4809 [2021-10-05 22:17:51,966 INFO L133 LiptonReduction]: Total number of compositions: 194 [2021-10-05 22:17:51,975 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 64 flow [2021-10-05 22:17:51,989 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:51,999 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:52,000 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:52,000 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:52,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1601516938, now seen corresponding path program 1 times [2021-10-05 22:17:52,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:52,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62218125] [2021-10-05 22:17:52,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:52,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:52,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:52,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62218125] [2021-10-05 22:17:52,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62218125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:52,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:52,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:52,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672816003] [2021-10-05 22:17:52,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:52,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:52,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:52,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:52,910 INFO L87 Difference]: Start difference. First operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:53,097 INFO L93 Difference]: Finished difference Result 63 states and 100 transitions. [2021-10-05 22:17:53,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:53,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-05 22:17:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:53,109 INFO L225 Difference]: With dead ends: 63 [2021-10-05 22:17:53,109 INFO L226 Difference]: Without dead ends: 52 [2021-10-05 22:17:53,111 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 199.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-05 22:17:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-10-05 22:17:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 43 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 76 transitions. [2021-10-05 22:17:53,150 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 76 transitions. Word has length 16 [2021-10-05 22:17:53,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:53,150 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 76 transitions. [2021-10-05 22:17:53,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2021-10-05 22:17:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:53,152 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:53,152 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:53,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-05 22:17:53,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:53,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:53,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2129636062, now seen corresponding path program 2 times [2021-10-05 22:17:53,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:53,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188648811] [2021-10-05 22:17:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:53,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:53,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:53,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188648811] [2021-10-05 22:17:53,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188648811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:53,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:53,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:53,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359133755] [2021-10-05 22:17:53,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:53,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:53,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:53,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:53,604 INFO L87 Difference]: Start difference. First operand 44 states and 76 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:53,853 INFO L93 Difference]: Finished difference Result 67 states and 102 transitions. [2021-10-05 22:17:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:53,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-05 22:17:53,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:53,855 INFO L225 Difference]: With dead ends: 67 [2021-10-05 22:17:53,855 INFO L226 Difference]: Without dead ends: 44 [2021-10-05 22:17:53,856 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 283.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-05 22:17:53,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2021-10-05 22:17:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.6285714285714286) internal successors, (57), 35 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 57 transitions. [2021-10-05 22:17:53,862 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 57 transitions. Word has length 16 [2021-10-05 22:17:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:53,863 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 57 transitions. [2021-10-05 22:17:53,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:53,863 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2021-10-05 22:17:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:53,864 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:53,864 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:53,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-05 22:17:53,865 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:53,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:53,866 INFO L82 PathProgramCache]: Analyzing trace with hash -133533354, now seen corresponding path program 3 times [2021-10-05 22:17:53,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:53,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584030473] [2021-10-05 22:17:53,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:53,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:54,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:54,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584030473] [2021-10-05 22:17:54,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584030473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:54,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:54,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:54,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350652215] [2021-10-05 22:17:54,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:54,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:54,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:54,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:54,436 INFO L87 Difference]: Start difference. First operand 36 states and 57 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:54,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:54,690 INFO L93 Difference]: Finished difference Result 51 states and 70 transitions. [2021-10-05 22:17:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:54,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-05 22:17:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:54,691 INFO L225 Difference]: With dead ends: 51 [2021-10-05 22:17:54,692 INFO L226 Difference]: Without dead ends: 40 [2021-10-05 22:17:54,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 329.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:54,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-05 22:17:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-10-05 22:17:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 48 transitions. [2021-10-05 22:17:54,697 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 48 transitions. Word has length 16 [2021-10-05 22:17:54,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:54,698 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 48 transitions. [2021-10-05 22:17:54,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-05 22:17:54,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:54,699 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:54,699 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:54,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-05 22:17:54,700 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:54,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:54,701 INFO L82 PathProgramCache]: Analyzing trace with hash -698331236, now seen corresponding path program 4 times [2021-10-05 22:17:54,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:54,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876255979] [2021-10-05 22:17:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:54,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:55,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:55,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876255979] [2021-10-05 22:17:55,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876255979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:55,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:55,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:55,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704996548] [2021-10-05 22:17:55,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:55,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:55,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:55,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:55,380 INFO L87 Difference]: Start difference. First operand 32 states and 48 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:55,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:55,730 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2021-10-05 22:17:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:55,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-05 22:17:55,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:55,738 INFO L225 Difference]: With dead ends: 41 [2021-10-05 22:17:55,738 INFO L226 Difference]: Without dead ends: 30 [2021-10-05 22:17:55,738 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 409.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-05 22:17:55,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-05 22:17:55,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-05 22:17:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2021-10-05 22:17:55,742 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 43 transitions. Word has length 16 [2021-10-05 22:17:55,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:55,743 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-10-05 22:17:55,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-05 22:17:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:55,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:55,744 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:55,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-05 22:17:55,745 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:55,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1657813530, now seen corresponding path program 5 times [2021-10-05 22:17:55,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:55,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577083278] [2021-10-05 22:17:55,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:55,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:56,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:56,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577083278] [2021-10-05 22:17:56,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577083278] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:56,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:56,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:56,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880271122] [2021-10-05 22:17:56,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:56,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:56,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:56,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:56,184 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:56,370 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-10-05 22:17:56,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:56,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-05 22:17:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:56,371 INFO L225 Difference]: With dead ends: 37 [2021-10-05 22:17:56,371 INFO L226 Difference]: Without dead ends: 22 [2021-10-05 22:17:56,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 254.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-05 22:17:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-05 22:17:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-10-05 22:17:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-10-05 22:17:56,375 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 16 [2021-10-05 22:17:56,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:56,375 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-10-05 22:17:56,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-10-05 22:17:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-05 22:17:56,376 INFO L504 BasicCegarLoop]: Found error trace [2021-10-05 22:17:56,376 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-05 22:17:56,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-05 22:17:56,376 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-05 22:17:56,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-05 22:17:56,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1631054460, now seen corresponding path program 6 times [2021-10-05 22:17:56,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-05 22:17:56,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720048850] [2021-10-05 22:17:56,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-05 22:17:56,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-05 22:17:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-05 22:17:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-05 22:17:56,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-05 22:17:56,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720048850] [2021-10-05 22:17:56,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720048850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-05 22:17:56,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-05 22:17:56,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-05 22:17:56,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949866871] [2021-10-05 22:17:56,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-05 22:17:56,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-05 22:17:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-05 22:17:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-05 22:17:56,916 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:57,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-05 22:17:57,208 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-10-05 22:17:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-05 22:17:57,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-05 22:17:57,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-05 22:17:57,209 INFO L225 Difference]: With dead ends: 21 [2021-10-05 22:17:57,209 INFO L226 Difference]: Without dead ends: 0 [2021-10-05 22:17:57,210 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 441.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-05 22:17:57,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-05 22:17:57,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-05 22:17:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-05 22:17:57,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-05 22:17:57,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-05 22:17:57,211 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-05 22:17:57,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-05 22:17:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-05 22:17:57,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-05 22:17:57,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-05 22:17:57,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-05 22:17:57,214 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-05 22:17:57,215 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-05 22:17:57,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-05 22:17:57,219 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-05 22:17:57,219 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-05 22:17:57,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:17:57 BasicIcfg [2021-10-05 22:17:57,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-05 22:17:57,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-05 22:17:57,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-05 22:17:57,222 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-05 22:17:57,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:17:44" (3/4) ... [2021-10-05 22:17:57,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-05 22:17:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-05 22:17:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-05 22:17:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-05 22:17:57,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-05 22:17:57,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-05 22:17:57,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-05 22:17:57,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-05 22:17:57,300 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-10-05 22:17:57,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-05 22:17:57,302 INFO L168 Benchmark]: Toolchain (without parser) took 14161.40 ms. Allocated memory was 56.6 MB in the beginning and 125.8 MB in the end (delta: 69.2 MB). Free memory was 32.1 MB in the beginning and 47.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:57,308 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 22:17:57,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.39 ms. Allocated memory is still 56.6 MB. Free memory was 31.8 MB in the beginning and 36.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:57,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.47 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 34.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:57,309 INFO L168 Benchmark]: Boogie Preprocessor took 27.19 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 33.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-05 22:17:57,310 INFO L168 Benchmark]: RCFGBuilder took 509.78 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.4 MB in the beginning and 48.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:57,311 INFO L168 Benchmark]: TraceAbstraction took 13130.99 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 48.0 MB in the beginning and 52.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:57,311 INFO L168 Benchmark]: Witness Printer took 78.52 ms. Allocated memory is still 125.8 MB. Free memory was 52.1 MB in the beginning and 47.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-05 22:17:57,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.39 ms. Allocated memory is still 56.6 MB. Free memory was 31.8 MB in the beginning and 36.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.47 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 34.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.19 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 33.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 509.78 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.4 MB in the beginning and 48.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13130.99 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 48.0 MB in the beginning and 52.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. * Witness Printer took 78.52 ms. Allocated memory is still 125.8 MB. Free memory was 52.1 MB in the beginning and 47.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7581.0ms, 163 PlacesBefore, 30 PlacesAfterwards, 167 TransitionsBefore, 20 TransitionsAfterwards, 4488 CoEnabledTransitionPairs, 7 FixpointIterations, 73 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 39 ConcurrentYvCompositions, 14 ChoiceCompositions, 194 TotalNumberOfCompositions, 4809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4809, positive: 4809, positive conditional: 0, positive unconditional: 4809, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3829, positive: 3829, positive conditional: 0, positive unconditional: 3829, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3829, positive: 3829, positive conditional: 0, positive unconditional: 3829, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4809, positive: 980, positive conditional: 0, positive unconditional: 980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3829, unknown conditional: 0, unknown unconditional: 3829] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 75]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 214 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12879.4ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 13.8ms, AutomataDifference: 1578.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7640.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 141 SDtfs, 184 SDslu, 185 SDs, 0 SdLazy, 94 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 168.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1916.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 41.3ms AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.1ms SsaConstructionTime, 650.0ms SatisfiabilityAnalysisTime, 2725.3ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 3240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-05 22:17:57,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...