./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_08-cond_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_08-cond_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4439281d7e12bca3fd2bd39ebda4196e341f38fedf1c370a96bdabb4944cfe7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:56:26,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:56:26,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:56:26,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:56:26,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:56:26,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:56:26,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:56:26,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:56:26,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:56:26,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:56:26,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:56:26,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:56:26,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:56:26,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:56:26,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:56:26,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:56:26,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:56:26,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:56:26,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:56:26,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:56:26,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:56:26,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:56:26,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:56:26,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:56:26,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:56:26,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:56:26,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:56:26,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:56:26,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:56:26,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:56:26,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:56:26,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:56:26,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:56:26,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:56:26,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:56:26,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:56:26,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:56:26,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:56:26,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:56:26,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:56:26,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:56:26,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:56:26,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:56:26,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:56:26,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:56:26,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:56:26,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:56:26,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:56:26,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:56:26,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:56:26,841 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:56:26,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:56:26,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:56:26,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:56:26,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:56:26,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:56:26,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:56:26,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:56:26,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:56:26,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:56:26,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:56:26,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:56:26,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:56:26,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:56:26,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:56:26,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:56:26,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:56:26,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:56:26,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:56:26,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:56:26,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:56:26,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:56:26,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:56:26,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:56:26,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:56:26,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:56:26,847 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/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4439281d7e12bca3fd2bd39ebda4196e341f38fedf1c370a96bdabb4944cfe7 [2021-12-16 02:56:27,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:56:27,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:56:27,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:56:27,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:56:27,110 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:56:27,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_08-cond_racefree.i [2021-12-16 02:56:27,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2437186bd/d17e02feeff44c86a2a391b19234bb11/FLAG95166fc29 [2021-12-16 02:56:27,686 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:56:27,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_08-cond_racefree.i [2021-12-16 02:56:27,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2437186bd/d17e02feeff44c86a2a391b19234bb11/FLAG95166fc29 [2021-12-16 02:56:28,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2437186bd/d17e02feeff44c86a2a391b19234bb11 [2021-12-16 02:56:28,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:56:28,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:56:28,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:56:28,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:56:28,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:56:28,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2227b399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28, skipping insertion in model container [2021-12-16 02:56:28,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:56:28,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:56:28,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_08-cond_racefree.i[41322,41335] [2021-12-16 02:56:28,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:56:28,638 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:56:28,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_08-cond_racefree.i[41322,41335] [2021-12-16 02:56:28,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:56:28,742 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:56:28,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28 WrapperNode [2021-12-16 02:56:28,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:56:28,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:56:28,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:56:28,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:56:28,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,797 INFO L137 Inliner]: procedures = 270, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2021-12-16 02:56:28,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:56:28,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:56:28,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:56:28,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:56:28,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:56:28,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:56:28,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:56:28,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:56:28,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (1/1) ... [2021-12-16 02:56:28,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:56:28,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:28,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 02:56:28,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 02:56:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:56:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:56:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 02:56:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:56:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-16 02:56:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:56:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-16 02:56:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-16 02:56:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:56:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:56:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:56:28,960 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 02:56:29,105 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:56:29,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:56:29,348 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:56:29,358 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:56:29,359 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-16 02:56:29,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:56:29 BoogieIcfgContainer [2021-12-16 02:56:29,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 02:56:29,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 02:56:29,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 02:56:29,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 02:56:29,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:56:28" (1/3) ... [2021-12-16 02:56:29,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd6af29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:56:29, skipping insertion in model container [2021-12-16 02:56:29,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:56:28" (2/3) ... [2021-12-16 02:56:29,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd6af29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:56:29, skipping insertion in model container [2021-12-16 02:56:29,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:56:29" (3/3) ... [2021-12-16 02:56:29,369 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2021-12-16 02:56:29,373 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 02:56:29,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 02:56:29,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 02:56:29,374 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 02:56:29,407 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,408 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,408 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,409 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,409 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,425 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,426 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,427 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:29,431 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-16 02:56:29,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:56:29,487 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 02:56:29,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 02:56:29,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 129 transitions, 266 flow [2021-12-16 02:56:29,560 INFO L129 PetriNetUnfolder]: 23/174 cut-off events. [2021-12-16 02:56:29,560 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-16 02:56:29,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 174 events. 23/174 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 387 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2021-12-16 02:56:29,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 129 transitions, 266 flow [2021-12-16 02:56:29,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 124 transitions, 253 flow [2021-12-16 02:56:29,598 INFO L129 PetriNetUnfolder]: 8/112 cut-off events. [2021-12-16 02:56:29,599 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:56:29,599 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:29,599 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:29,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:29,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:29,604 INFO L85 PathProgramCache]: Analyzing trace with hash -921644928, now seen corresponding path program 1 times [2021-12-16 02:56:29,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:29,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405918838] [2021-12-16 02:56:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:29,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:29,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:29,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405918838] [2021-12-16 02:56:29,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405918838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:29,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:29,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:56:29,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291646575] [2021-12-16 02:56:29,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:29,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:29,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:29,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:56:29,876 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 129 [2021-12-16 02:56:29,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 124 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-12-16 02:56:29,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:29,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 129 [2021-12-16 02:56:29,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:29,935 INFO L129 PetriNetUnfolder]: 3/116 cut-off events. [2021-12-16 02:56:29,936 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:56:29,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 116 events. 3/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 141 event pairs, 0 based on Foata normal form. 22/132 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-12-16 02:56:29,938 INFO L132 encePairwiseOnDemand]: 115/129 looper letters, 8 selfloop transitions, 2 changer transitions 19/114 dead transitions. [2021-12-16 02:56:29,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 114 transitions, 253 flow [2021-12-16 02:56:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2021-12-16 02:56:29,976 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9121447028423773 [2021-12-16 02:56:29,977 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2021-12-16 02:56:29,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2021-12-16 02:56:29,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:30,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2021-12-16 02:56:30,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2021-12-16 02:56:30,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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) [2021-12-16 02:56:30,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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) [2021-12-16 02:56:30,029 INFO L186 Difference]: Start difference. First operand has 113 places, 124 transitions, 253 flow. Second operand 3 states and 353 transitions. [2021-12-16 02:56:30,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 114 transitions, 253 flow [2021-12-16 02:56:30,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 114 transitions, 253 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:30,046 INFO L242 Difference]: Finished difference. Result has 115 places, 93 transitions, 199 flow [2021-12-16 02:56:30,048 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=115, PETRI_TRANSITIONS=93} [2021-12-16 02:56:30,056 INFO L334 CegarLoopForPetriNet]: 113 programPoint places, 2 predicate places. [2021-12-16 02:56:30,057 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 93 transitions, 199 flow [2021-12-16 02:56:30,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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) [2021-12-16 02:56:30,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:30,058 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:30,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 02:56:30,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:30,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:30,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1426448650, now seen corresponding path program 1 times [2021-12-16 02:56:30,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:30,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179956165] [2021-12-16 02:56:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:30,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:30,119 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:56:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:30,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:56:30,185 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:56:30,186 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-16 02:56:30,188 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-16 02:56:30,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 02:56:30,191 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-16 02:56:30,193 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:56:30,193 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-16 02:56:30,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,201 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,202 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,202 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,203 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,208 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,209 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,209 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,209 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,215 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,216 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,217 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,217 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:30,219 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-16 02:56:30,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:56:30,222 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 02:56:30,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 02:56:30,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 159 transitions, 336 flow [2021-12-16 02:56:30,254 INFO L129 PetriNetUnfolder]: 40/274 cut-off events. [2021-12-16 02:56:30,254 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-16 02:56:30,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 274 events. 40/274 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 769 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 176. Up to 9 conditions per place. [2021-12-16 02:56:30,257 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 159 transitions, 336 flow [2021-12-16 02:56:30,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 159 transitions, 336 flow [2021-12-16 02:56:30,268 INFO L129 PetriNetUnfolder]: 8/108 cut-off events. [2021-12-16 02:56:30,269 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:56:30,269 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:30,269 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:30,269 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:30,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1275501409, now seen corresponding path program 1 times [2021-12-16 02:56:30,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:30,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303109605] [2021-12-16 02:56:30,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:30,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:30,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:30,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303109605] [2021-12-16 02:56:30,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303109605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:30,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:30,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:56:30,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109540142] [2021-12-16 02:56:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:30,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:30,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:56:30,317 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 159 [2021-12-16 02:56:30,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 159 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2021-12-16 02:56:30,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:30,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 159 [2021-12-16 02:56:30,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:30,362 INFO L129 PetriNetUnfolder]: 8/217 cut-off events. [2021-12-16 02:56:30,362 INFO L130 PetriNetUnfolder]: For 26/67 co-relation queries the response was YES. [2021-12-16 02:56:30,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 217 events. 8/217 cut-off events. For 26/67 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 533 event pairs, 0 based on Foata normal form. 78/281 useless extension candidates. Maximal degree in co-relation 143. Up to 16 conditions per place. [2021-12-16 02:56:30,364 INFO L132 encePairwiseOnDemand]: 139/159 looper letters, 11 selfloop transitions, 2 changer transitions 25/145 dead transitions. [2021-12-16 02:56:30,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 338 flow [2021-12-16 02:56:30,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2021-12-16 02:56:30,367 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9014675052410901 [2021-12-16 02:56:30,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 430 transitions. [2021-12-16 02:56:30,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 430 transitions. [2021-12-16 02:56:30,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:30,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 430 transitions. [2021-12-16 02:56:30,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2021-12-16 02:56:30,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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) [2021-12-16 02:56:30,389 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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) [2021-12-16 02:56:30,389 INFO L186 Difference]: Start difference. First operand has 142 places, 159 transitions, 336 flow. Second operand 3 states and 430 transitions. [2021-12-16 02:56:30,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 338 flow [2021-12-16 02:56:30,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 145 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:30,393 INFO L242 Difference]: Finished difference. Result has 144 places, 117 transitions, 256 flow [2021-12-16 02:56:30,394 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=144, PETRI_TRANSITIONS=117} [2021-12-16 02:56:30,395 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 2 predicate places. [2021-12-16 02:56:30,395 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 117 transitions, 256 flow [2021-12-16 02:56:30,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2021-12-16 02:56:30,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:30,396 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:30,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 02:56:30,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:30,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:30,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1056172317, now seen corresponding path program 1 times [2021-12-16 02:56:30,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:30,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024263563] [2021-12-16 02:56:30,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:30,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:30,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:30,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024263563] [2021-12-16 02:56:30,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024263563] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:30,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816669614] [2021-12-16 02:56:30,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:30,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:30,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:30,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:30,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 02:56:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:30,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 02:56:30,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 02:56:30,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 02:56:30,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816669614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:30,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 02:56:30,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-16 02:56:30,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068948957] [2021-12-16 02:56:30,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:30,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:30,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:30,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:56:30,709 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 159 [2021-12-16 02:56:30,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 117 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2021-12-16 02:56:30,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:30,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 159 [2021-12-16 02:56:30,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:30,742 INFO L129 PetriNetUnfolder]: 0/147 cut-off events. [2021-12-16 02:56:30,743 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-16 02:56:30,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 147 events. 0/147 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 247 event pairs, 0 based on Foata normal form. 2/147 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-12-16 02:56:30,744 INFO L132 encePairwiseOnDemand]: 157/159 looper letters, 6 selfloop transitions, 0 changer transitions 1/117 dead transitions. [2021-12-16 02:56:30,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 117 transitions, 270 flow [2021-12-16 02:56:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2021-12-16 02:56:30,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8280922431865828 [2021-12-16 02:56:30,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2021-12-16 02:56:30,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2021-12-16 02:56:30,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:30,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2021-12-16 02:56:30,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2021-12-16 02:56:30,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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) [2021-12-16 02:56:30,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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) [2021-12-16 02:56:30,750 INFO L186 Difference]: Start difference. First operand has 144 places, 117 transitions, 256 flow. Second operand 3 states and 395 transitions. [2021-12-16 02:56:30,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 117 transitions, 270 flow [2021-12-16 02:56:30,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 117 transitions, 266 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:30,755 INFO L242 Difference]: Finished difference. Result has 125 places, 116 transitions, 252 flow [2021-12-16 02:56:30,756 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=125, PETRI_TRANSITIONS=116} [2021-12-16 02:56:30,758 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, -17 predicate places. [2021-12-16 02:56:30,758 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 116 transitions, 252 flow [2021-12-16 02:56:30,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2021-12-16 02:56:30,759 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:30,759 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:30,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:30,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:30,989 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:30,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:30,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1133667776, now seen corresponding path program 1 times [2021-12-16 02:56:30,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:30,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257125405] [2021-12-16 02:56:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:30,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:31,024 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:56:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:31,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:56:31,069 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:56:31,069 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-16 02:56:31,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-16 02:56:31,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 02:56:31,070 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-16 02:56:31,070 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:56:31,070 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-16 02:56:31,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,084 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,104 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,121 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,123 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:31,124 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-16 02:56:31,126 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:56:31,127 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 02:56:31,127 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 02:56:31,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 189 transitions, 408 flow [2021-12-16 02:56:31,177 INFO L129 PetriNetUnfolder]: 62/407 cut-off events. [2021-12-16 02:56:31,178 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-12-16 02:56:31,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 407 events. 62/407 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1339 event pairs, 1 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 282. Up to 16 conditions per place. [2021-12-16 02:56:31,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 189 transitions, 408 flow [2021-12-16 02:56:31,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 189 transitions, 408 flow [2021-12-16 02:56:31,194 INFO L129 PetriNetUnfolder]: 8/111 cut-off events. [2021-12-16 02:56:31,195 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:56:31,195 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:31,195 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:31,195 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:31,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:31,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1028393307, now seen corresponding path program 1 times [2021-12-16 02:56:31,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:31,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171973509] [2021-12-16 02:56:31,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:31,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:31,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:31,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171973509] [2021-12-16 02:56:31,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171973509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:31,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:31,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:56:31,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133065045] [2021-12-16 02:56:31,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:31,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:56:31,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:56:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:56:31,231 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 189 [2021-12-16 02:56:31,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 189 transitions, 408 flow. Second operand has 2 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 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) [2021-12-16 02:56:31,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:31,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 189 [2021-12-16 02:56:31,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:31,283 INFO L129 PetriNetUnfolder]: 20/361 cut-off events. [2021-12-16 02:56:31,284 INFO L130 PetriNetUnfolder]: For 53/63 co-relation queries the response was YES. [2021-12-16 02:56:31,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 361 events. 20/361 cut-off events. For 53/63 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 1 based on Foata normal form. 106/439 useless extension candidates. Maximal degree in co-relation 257. Up to 16 conditions per place. [2021-12-16 02:56:31,286 INFO L132 encePairwiseOnDemand]: 166/189 looper letters, 3 selfloop transitions, 0 changer transitions 26/165 dead transitions. [2021-12-16 02:56:31,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 165 transitions, 372 flow [2021-12-16 02:56:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:56:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:56:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2021-12-16 02:56:31,288 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.917989417989418 [2021-12-16 02:56:31,289 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 347 transitions. [2021-12-16 02:56:31,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 347 transitions. [2021-12-16 02:56:31,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:31,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 347 transitions. [2021-12-16 02:56:31,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 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) [2021-12-16 02:56:31,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-12-16 02:56:31,291 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-12-16 02:56:31,292 INFO L186 Difference]: Start difference. First operand has 167 places, 189 transitions, 408 flow. Second operand 2 states and 347 transitions. [2021-12-16 02:56:31,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 165 transitions, 372 flow [2021-12-16 02:56:31,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:31,295 INFO L242 Difference]: Finished difference. Result has 167 places, 139 transitions, 299 flow [2021-12-16 02:56:31,296 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=299, PETRI_PLACES=167, PETRI_TRANSITIONS=139} [2021-12-16 02:56:31,297 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, 0 predicate places. [2021-12-16 02:56:31,297 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 139 transitions, 299 flow [2021-12-16 02:56:31,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 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) [2021-12-16 02:56:31,297 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:31,297 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:31,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 02:56:31,298 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:31,298 INFO L85 PathProgramCache]: Analyzing trace with hash 734990300, now seen corresponding path program 1 times [2021-12-16 02:56:31,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:31,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327987860] [2021-12-16 02:56:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:31,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:31,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:31,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327987860] [2021-12-16 02:56:31,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327987860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:31,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:31,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:56:31,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639879764] [2021-12-16 02:56:31,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:31,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:31,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:31,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:31,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:56:31,360 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 189 [2021-12-16 02:56:31,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 139 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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) [2021-12-16 02:56:31,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:31,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 189 [2021-12-16 02:56:31,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:31,406 INFO L129 PetriNetUnfolder]: 3/193 cut-off events. [2021-12-16 02:56:31,406 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-16 02:56:31,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 193 events. 3/193 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 401 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 227. Up to 18 conditions per place. [2021-12-16 02:56:31,408 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 12 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2021-12-16 02:56:31,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 143 transitions, 335 flow [2021-12-16 02:56:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2021-12-16 02:56:31,411 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8306878306878307 [2021-12-16 02:56:31,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2021-12-16 02:56:31,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2021-12-16 02:56:31,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:31,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2021-12-16 02:56:31,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2021-12-16 02:56:31,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2021-12-16 02:56:31,415 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2021-12-16 02:56:31,415 INFO L186 Difference]: Start difference. First operand has 167 places, 139 transitions, 299 flow. Second operand 3 states and 471 transitions. [2021-12-16 02:56:31,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 143 transitions, 335 flow [2021-12-16 02:56:31,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 143 transitions, 329 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:31,419 INFO L242 Difference]: Finished difference. Result has 149 places, 140 transitions, 305 flow [2021-12-16 02:56:31,419 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=149, PETRI_TRANSITIONS=140} [2021-12-16 02:56:31,420 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -18 predicate places. [2021-12-16 02:56:31,420 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 140 transitions, 305 flow [2021-12-16 02:56:31,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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) [2021-12-16 02:56:31,421 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:31,421 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:31,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 02:56:31,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:31,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1246462806, now seen corresponding path program 1 times [2021-12-16 02:56:31,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:31,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224323817] [2021-12-16 02:56:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:31,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:31,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:31,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224323817] [2021-12-16 02:56:31,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224323817] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:31,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831438094] [2021-12-16 02:56:31,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:31,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:31,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:31,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:31,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 02:56:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:31,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 02:56:31,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 02:56:31,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 02:56:31,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831438094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:31,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 02:56:31,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-16 02:56:31,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590647602] [2021-12-16 02:56:31,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:31,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:31,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:31,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:31,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:56:31,701 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 189 [2021-12-16 02:56:31,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 140 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2021-12-16 02:56:31,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:31,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 189 [2021-12-16 02:56:31,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:31,736 INFO L129 PetriNetUnfolder]: 0/196 cut-off events. [2021-12-16 02:56:31,736 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-16 02:56:31,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 196 events. 0/196 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 434 event pairs, 0 based on Foata normal form. 3/196 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-12-16 02:56:31,737 INFO L132 encePairwiseOnDemand]: 187/189 looper letters, 7 selfloop transitions, 0 changer transitions 1/140 dead transitions. [2021-12-16 02:56:31,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 140 transitions, 321 flow [2021-12-16 02:56:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2021-12-16 02:56:31,738 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2021-12-16 02:56:31,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2021-12-16 02:56:31,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2021-12-16 02:56:31,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:31,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2021-12-16 02:56:31,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2021-12-16 02:56:31,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2021-12-16 02:56:31,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2021-12-16 02:56:31,742 INFO L186 Difference]: Start difference. First operand has 149 places, 140 transitions, 305 flow. Second operand 3 states and 462 transitions. [2021-12-16 02:56:31,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 140 transitions, 321 flow [2021-12-16 02:56:31,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 140 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:31,745 INFO L242 Difference]: Finished difference. Result has 151 places, 139 transitions, 303 flow [2021-12-16 02:56:31,745 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=303, PETRI_PLACES=151, PETRI_TRANSITIONS=139} [2021-12-16 02:56:31,746 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -16 predicate places. [2021-12-16 02:56:31,746 INFO L470 AbstractCegarLoop]: Abstraction has has 151 places, 139 transitions, 303 flow [2021-12-16 02:56:31,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2021-12-16 02:56:31,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:31,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:31,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:31,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-16 02:56:31,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash -788208351, now seen corresponding path program 1 times [2021-12-16 02:56:31,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:31,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433159808] [2021-12-16 02:56:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:31,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:32,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:32,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433159808] [2021-12-16 02:56:32,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433159808] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:32,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061724739] [2021-12-16 02:56:32,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:32,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:32,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:32,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:32,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 02:56:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:32,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 02:56:32,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:32,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:56:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:32,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061724739] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:56:32,365 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:56:32,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-16 02:56:32,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681078937] [2021-12-16 02:56:32,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:56:32,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 02:56:32,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 02:56:32,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-16 02:56:32,369 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 189 [2021-12-16 02:56:32,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 139 transitions, 303 flow. Second operand has 10 states, 10 states have (on average 153.3) internal successors, (1533), 10 states have internal predecessors, (1533), 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) [2021-12-16 02:56:32,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:32,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 189 [2021-12-16 02:56:32,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:32,455 INFO L129 PetriNetUnfolder]: 0/160 cut-off events. [2021-12-16 02:56:32,455 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-16 02:56:32,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 160 events. 0/160 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 211 event pairs, 0 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-12-16 02:56:32,456 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 13 selfloop transitions, 9 changer transitions 0/149 dead transitions. [2021-12-16 02:56:32,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 149 transitions, 369 flow [2021-12-16 02:56:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:56:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:56:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1383 transitions. [2021-12-16 02:56:32,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8130511463844797 [2021-12-16 02:56:32,460 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1383 transitions. [2021-12-16 02:56:32,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1383 transitions. [2021-12-16 02:56:32,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:32,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1383 transitions. [2021-12-16 02:56:32,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 153.66666666666666) internal successors, (1383), 9 states have internal predecessors, (1383), 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) [2021-12-16 02:56:32,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 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) [2021-12-16 02:56:32,468 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 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) [2021-12-16 02:56:32,468 INFO L186 Difference]: Start difference. First operand has 151 places, 139 transitions, 303 flow. Second operand 9 states and 1383 transitions. [2021-12-16 02:56:32,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 149 transitions, 369 flow [2021-12-16 02:56:32,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 149 transitions, 367 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:32,471 INFO L242 Difference]: Finished difference. Result has 160 places, 145 transitions, 351 flow [2021-12-16 02:56:32,472 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=351, PETRI_PLACES=160, PETRI_TRANSITIONS=145} [2021-12-16 02:56:32,472 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -7 predicate places. [2021-12-16 02:56:32,472 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 145 transitions, 351 flow [2021-12-16 02:56:32,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 153.3) internal successors, (1533), 10 states have internal predecessors, (1533), 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) [2021-12-16 02:56:32,473 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:32,473 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:32,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:32,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:32,688 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:32,688 INFO L85 PathProgramCache]: Analyzing trace with hash 94495693, now seen corresponding path program 1 times [2021-12-16 02:56:32,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:32,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518930145] [2021-12-16 02:56:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:32,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:32,702 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:56:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:32,720 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:56:32,720 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:56:32,721 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-16 02:56:32,721 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-16 02:56:32,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 02:56:32,721 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 02:56:32,722 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:56:32,722 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-16 02:56:32,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,736 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,736 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,757 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,761 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,762 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,762 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:32,768 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-16 02:56:32,770 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:56:32,770 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 02:56:32,770 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 02:56:32,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 219 transitions, 482 flow [2021-12-16 02:56:32,863 INFO L129 PetriNetUnfolder]: 96/608 cut-off events. [2021-12-16 02:56:32,863 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-12-16 02:56:32,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 608 events. 96/608 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2277 event pairs, 6 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 427. Up to 32 conditions per place. [2021-12-16 02:56:32,871 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 219 transitions, 482 flow [2021-12-16 02:56:32,877 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 219 transitions, 482 flow [2021-12-16 02:56:32,886 INFO L129 PetriNetUnfolder]: 8/107 cut-off events. [2021-12-16 02:56:32,887 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:56:32,887 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:32,887 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:32,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:32,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:32,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1108265910, now seen corresponding path program 1 times [2021-12-16 02:56:32,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:32,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792184375] [2021-12-16 02:56:32,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:32,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:32,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:32,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792184375] [2021-12-16 02:56:32,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792184375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:32,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:32,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:56:32,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311347543] [2021-12-16 02:56:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:32,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:56:32,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:56:32,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:56:32,911 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 219 [2021-12-16 02:56:32,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 219 transitions, 482 flow. Second operand has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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) [2021-12-16 02:56:32,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:32,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 219 [2021-12-16 02:56:32,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:32,994 INFO L129 PetriNetUnfolder]: 36/543 cut-off events. [2021-12-16 02:56:32,994 INFO L130 PetriNetUnfolder]: For 127/147 co-relation queries the response was YES. [2021-12-16 02:56:32,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 543 events. 36/543 cut-off events. For 127/147 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2164 event pairs, 6 based on Foata normal form. 252/754 useless extension candidates. Maximal degree in co-relation 396. Up to 37 conditions per place. [2021-12-16 02:56:32,999 INFO L132 encePairwiseOnDemand]: 190/219 looper letters, 4 selfloop transitions, 0 changer transitions 27/189 dead transitions. [2021-12-16 02:56:32,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 438 flow [2021-12-16 02:56:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:56:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:56:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 399 transitions. [2021-12-16 02:56:33,001 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.910958904109589 [2021-12-16 02:56:33,001 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 399 transitions. [2021-12-16 02:56:33,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 399 transitions. [2021-12-16 02:56:33,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:33,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 399 transitions. [2021-12-16 02:56:33,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 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) [2021-12-16 02:56:33,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-16 02:56:33,004 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-16 02:56:33,004 INFO L186 Difference]: Start difference. First operand has 192 places, 219 transitions, 482 flow. Second operand 2 states and 399 transitions. [2021-12-16 02:56:33,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 438 flow [2021-12-16 02:56:33,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 189 transitions, 438 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:33,008 INFO L242 Difference]: Finished difference. Result has 192 places, 162 transitions, 356 flow [2021-12-16 02:56:33,009 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=356, PETRI_PLACES=192, PETRI_TRANSITIONS=162} [2021-12-16 02:56:33,009 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 0 predicate places. [2021-12-16 02:56:33,009 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 162 transitions, 356 flow [2021-12-16 02:56:33,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 181.5) internal successors, (363), 2 states have internal predecessors, (363), 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) [2021-12-16 02:56:33,010 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:33,010 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:33,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 02:56:33,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:33,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:33,011 INFO L85 PathProgramCache]: Analyzing trace with hash 814862903, now seen corresponding path program 1 times [2021-12-16 02:56:33,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:33,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668323683] [2021-12-16 02:56:33,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:33,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:33,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:33,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668323683] [2021-12-16 02:56:33,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668323683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:33,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:33,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:56:33,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173483085] [2021-12-16 02:56:33,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:33,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:33,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:33,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:33,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:56:33,036 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 219 [2021-12-16 02:56:33,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 162 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2021-12-16 02:56:33,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:33,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 219 [2021-12-16 02:56:33,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:33,087 INFO L129 PetriNetUnfolder]: 4/241 cut-off events. [2021-12-16 02:56:33,087 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-16 02:56:33,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 241 events. 4/241 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 575 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 287. Up to 24 conditions per place. [2021-12-16 02:56:33,089 INFO L132 encePairwiseOnDemand]: 216/219 looper letters, 13 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2021-12-16 02:56:33,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 166 transitions, 394 flow [2021-12-16 02:56:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2021-12-16 02:56:33,091 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8188736681887366 [2021-12-16 02:56:33,092 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2021-12-16 02:56:33,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2021-12-16 02:56:33,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:33,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2021-12-16 02:56:33,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2021-12-16 02:56:33,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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) [2021-12-16 02:56:33,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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) [2021-12-16 02:56:33,095 INFO L186 Difference]: Start difference. First operand has 192 places, 162 transitions, 356 flow. Second operand 3 states and 538 transitions. [2021-12-16 02:56:33,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 166 transitions, 394 flow [2021-12-16 02:56:33,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 166 transitions, 382 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:33,099 INFO L242 Difference]: Finished difference. Result has 174 places, 163 transitions, 356 flow [2021-12-16 02:56:33,099 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=174, PETRI_TRANSITIONS=163} [2021-12-16 02:56:33,100 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -18 predicate places. [2021-12-16 02:56:33,100 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 163 transitions, 356 flow [2021-12-16 02:56:33,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2021-12-16 02:56:33,100 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:33,100 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:33,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 02:56:33,101 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:33,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:33,101 INFO L85 PathProgramCache]: Analyzing trace with hash -233760275, now seen corresponding path program 1 times [2021-12-16 02:56:33,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:33,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845671510] [2021-12-16 02:56:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:33,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:33,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:33,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845671510] [2021-12-16 02:56:33,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845671510] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:33,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314282090] [2021-12-16 02:56:33,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:33,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:33,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:33,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-16 02:56:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:33,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 02:56:33,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 02:56:33,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 02:56:33,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314282090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:33,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 02:56:33,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-16 02:56:33,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661489262] [2021-12-16 02:56:33,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:33,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:33,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:33,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:33,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:56:33,362 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 219 [2021-12-16 02:56:33,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 163 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2021-12-16 02:56:33,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:33,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 219 [2021-12-16 02:56:33,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:33,409 INFO L129 PetriNetUnfolder]: 0/245 cut-off events. [2021-12-16 02:56:33,409 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-12-16 02:56:33,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 245 events. 0/245 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 615 event pairs, 0 based on Foata normal form. 4/245 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-12-16 02:56:33,410 INFO L132 encePairwiseOnDemand]: 217/219 looper letters, 8 selfloop transitions, 0 changer transitions 1/163 dead transitions. [2021-12-16 02:56:33,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 163 transitions, 374 flow [2021-12-16 02:56:33,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2021-12-16 02:56:33,413 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8051750380517504 [2021-12-16 02:56:33,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 529 transitions. [2021-12-16 02:56:33,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 529 transitions. [2021-12-16 02:56:33,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:33,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 529 transitions. [2021-12-16 02:56:33,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2021-12-16 02:56:33,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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) [2021-12-16 02:56:33,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 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) [2021-12-16 02:56:33,417 INFO L186 Difference]: Start difference. First operand has 174 places, 163 transitions, 356 flow. Second operand 3 states and 529 transitions. [2021-12-16 02:56:33,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 163 transitions, 374 flow [2021-12-16 02:56:33,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 163 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:33,421 INFO L242 Difference]: Finished difference. Result has 176 places, 162 transitions, 354 flow [2021-12-16 02:56:33,422 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=176, PETRI_TRANSITIONS=162} [2021-12-16 02:56:33,422 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -16 predicate places. [2021-12-16 02:56:33,423 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 162 transitions, 354 flow [2021-12-16 02:56:33,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2021-12-16 02:56:33,423 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:33,423 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:33,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:33,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:33,644 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:33,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:33,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1648407208, now seen corresponding path program 1 times [2021-12-16 02:56:33,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:33,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306011538] [2021-12-16 02:56:33,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:33,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:33,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:33,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306011538] [2021-12-16 02:56:33,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306011538] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:33,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229993964] [2021-12-16 02:56:33,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:33,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:33,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:33,683 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:33,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-16 02:56:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:33,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 02:56:33,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:33,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:56:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:34,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229993964] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:56:34,040 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:56:34,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-16 02:56:34,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485691051] [2021-12-16 02:56:34,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:56:34,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 02:56:34,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:34,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 02:56:34,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-16 02:56:34,046 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 219 [2021-12-16 02:56:34,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 162 transitions, 354 flow. Second operand has 10 states, 10 states have (on average 175.3) internal successors, (1753), 10 states have internal predecessors, (1753), 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) [2021-12-16 02:56:34,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:34,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 219 [2021-12-16 02:56:34,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:34,152 INFO L129 PetriNetUnfolder]: 0/207 cut-off events. [2021-12-16 02:56:34,152 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-16 02:56:34,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 207 events. 0/207 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 379 event pairs, 0 based on Foata normal form. 2/209 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2021-12-16 02:56:34,153 INFO L132 encePairwiseOnDemand]: 213/219 looper letters, 14 selfloop transitions, 9 changer transitions 0/172 dead transitions. [2021-12-16 02:56:34,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 172 transitions, 422 flow [2021-12-16 02:56:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:56:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:56:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1582 transitions. [2021-12-16 02:56:34,158 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8026382546930492 [2021-12-16 02:56:34,158 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1582 transitions. [2021-12-16 02:56:34,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1582 transitions. [2021-12-16 02:56:34,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:34,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1582 transitions. [2021-12-16 02:56:34,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 175.77777777777777) internal successors, (1582), 9 states have internal predecessors, (1582), 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) [2021-12-16 02:56:34,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 219.0) internal successors, (2190), 10 states have internal predecessors, (2190), 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) [2021-12-16 02:56:34,166 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 219.0) internal successors, (2190), 10 states have internal predecessors, (2190), 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) [2021-12-16 02:56:34,166 INFO L186 Difference]: Start difference. First operand has 176 places, 162 transitions, 354 flow. Second operand 9 states and 1582 transitions. [2021-12-16 02:56:34,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 172 transitions, 422 flow [2021-12-16 02:56:34,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 172 transitions, 420 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:34,170 INFO L242 Difference]: Finished difference. Result has 185 places, 168 transitions, 402 flow [2021-12-16 02:56:34,171 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=402, PETRI_PLACES=185, PETRI_TRANSITIONS=168} [2021-12-16 02:56:34,172 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -7 predicate places. [2021-12-16 02:56:34,173 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 168 transitions, 402 flow [2021-12-16 02:56:34,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 175.3) internal successors, (1753), 10 states have internal predecessors, (1753), 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) [2021-12-16 02:56:34,174 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:34,174 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:34,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:34,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-16 02:56:34,392 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:34,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:34,392 INFO L85 PathProgramCache]: Analyzing trace with hash -219963599, now seen corresponding path program 1 times [2021-12-16 02:56:34,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:34,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329484013] [2021-12-16 02:56:34,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:34,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:34,413 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:56:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:56:34,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:56:34,438 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:56:34,438 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-16 02:56:34,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-16 02:56:34,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-16 02:56:34,439 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-16 02:56:34,439 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:56:34,440 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-12-16 02:56:34,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,461 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,466 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,480 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,480 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,481 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,482 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:56:34,484 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-16 02:56:34,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:56:34,485 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 02:56:34,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 02:56:34,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 249 transitions, 558 flow [2021-12-16 02:56:34,625 INFO L129 PetriNetUnfolder]: 158/949 cut-off events. [2021-12-16 02:56:34,626 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-12-16 02:56:34,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1060 conditions, 949 events. 158/949 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4244 event pairs, 23 based on Foata normal form. 0/801 useless extension candidates. Maximal degree in co-relation 653. Up to 80 conditions per place. [2021-12-16 02:56:34,641 INFO L82 GeneralOperation]: Start removeDead. Operand has 217 places, 249 transitions, 558 flow [2021-12-16 02:56:34,652 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 217 places, 249 transitions, 558 flow [2021-12-16 02:56:34,659 INFO L129 PetriNetUnfolder]: 9/116 cut-off events. [2021-12-16 02:56:34,659 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:56:34,659 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:34,659 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:34,660 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:34,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1035883600, now seen corresponding path program 1 times [2021-12-16 02:56:34,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:34,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638547955] [2021-12-16 02:56:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:34,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:34,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:34,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638547955] [2021-12-16 02:56:34,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638547955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:34,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:34,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:56:34,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397091950] [2021-12-16 02:56:34,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:34,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:34,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:34,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:34,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:56:34,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 249 [2021-12-16 02:56:34,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 249 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2021-12-16 02:56:34,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:34,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 249 [2021-12-16 02:56:34,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:34,870 INFO L129 PetriNetUnfolder]: 68/831 cut-off events. [2021-12-16 02:56:34,870 INFO L130 PetriNetUnfolder]: For 276/342 co-relation queries the response was YES. [2021-12-16 02:56:34,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 831 events. 68/831 cut-off events. For 276/342 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3976 event pairs, 23 based on Foata normal form. 880/1654 useless extension candidates. Maximal degree in co-relation 622. Up to 110 conditions per place. [2021-12-16 02:56:34,880 INFO L132 encePairwiseOnDemand]: 211/249 looper letters, 14 selfloop transitions, 2 changer transitions 28/217 dead transitions. [2021-12-16 02:56:34,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 217 transitions, 536 flow [2021-12-16 02:56:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2021-12-16 02:56:34,883 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8728246318607764 [2021-12-16 02:56:34,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2021-12-16 02:56:34,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2021-12-16 02:56:34,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:34,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2021-12-16 02:56:34,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 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) [2021-12-16 02:56:34,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-12-16 02:56:34,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-12-16 02:56:34,887 INFO L186 Difference]: Start difference. First operand has 217 places, 249 transitions, 558 flow. Second operand 3 states and 652 transitions. [2021-12-16 02:56:34,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 217 transitions, 536 flow [2021-12-16 02:56:34,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 217 transitions, 536 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:56:34,892 INFO L242 Difference]: Finished difference. Result has 219 places, 186 transitions, 427 flow [2021-12-16 02:56:34,892 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=219, PETRI_TRANSITIONS=186} [2021-12-16 02:56:34,893 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 2 predicate places. [2021-12-16 02:56:34,893 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 186 transitions, 427 flow [2021-12-16 02:56:34,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2021-12-16 02:56:34,893 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:34,894 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:34,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-16 02:56:34,894 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:34,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:34,894 INFO L85 PathProgramCache]: Analyzing trace with hash 910470370, now seen corresponding path program 1 times [2021-12-16 02:56:34,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:34,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108225359] [2021-12-16 02:56:34,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:34,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:34,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:34,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108225359] [2021-12-16 02:56:34,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108225359] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:34,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529969814] [2021-12-16 02:56:34,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:34,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:34,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:34,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:34,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-16 02:56:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:35,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 02:56:35,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 02:56:35,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 02:56:35,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529969814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:35,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 02:56:35,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-16 02:56:35,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099145191] [2021-12-16 02:56:35,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:35,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:56:35,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:35,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:56:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:56:35,124 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 249 [2021-12-16 02:56:35,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 186 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 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) [2021-12-16 02:56:35,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:35,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 249 [2021-12-16 02:56:35,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:35,181 INFO L129 PetriNetUnfolder]: 0/294 cut-off events. [2021-12-16 02:56:35,181 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-12-16 02:56:35,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 294 events. 0/294 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 807 event pairs, 0 based on Foata normal form. 5/294 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2021-12-16 02:56:35,182 INFO L132 encePairwiseOnDemand]: 247/249 looper letters, 9 selfloop transitions, 0 changer transitions 1/186 dead transitions. [2021-12-16 02:56:35,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 186 transitions, 447 flow [2021-12-16 02:56:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:56:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:56:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 596 transitions. [2021-12-16 02:56:35,184 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7978580990629184 [2021-12-16 02:56:35,184 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 596 transitions. [2021-12-16 02:56:35,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 596 transitions. [2021-12-16 02:56:35,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:35,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 596 transitions. [2021-12-16 02:56:35,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2021-12-16 02:56:35,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-12-16 02:56:35,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-12-16 02:56:35,197 INFO L186 Difference]: Start difference. First operand has 219 places, 186 transitions, 427 flow. Second operand 3 states and 596 transitions. [2021-12-16 02:56:35,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 186 transitions, 447 flow [2021-12-16 02:56:35,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 186 transitions, 425 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:35,201 INFO L242 Difference]: Finished difference. Result has 200 places, 185 transitions, 405 flow [2021-12-16 02:56:35,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=200, PETRI_TRANSITIONS=185} [2021-12-16 02:56:35,203 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -17 predicate places. [2021-12-16 02:56:35,203 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 185 transitions, 405 flow [2021-12-16 02:56:35,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 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) [2021-12-16 02:56:35,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:35,203 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:35,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:35,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-16 02:56:35,422 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:35,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1554377171, now seen corresponding path program 1 times [2021-12-16 02:56:35,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:35,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034583140] [2021-12-16 02:56:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:35,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:35,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:35,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034583140] [2021-12-16 02:56:35,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034583140] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:56:35,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625180178] [2021-12-16 02:56:35,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:35,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:56:35,462 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:56:35,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-16 02:56:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:35,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 02:56:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:56:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:35,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:56:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:56:35,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625180178] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:56:35,750 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:56:35,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-16 02:56:35,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927269846] [2021-12-16 02:56:35,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:56:35,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 02:56:35,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:35,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 02:56:35,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-16 02:56:35,756 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 249 [2021-12-16 02:56:35,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 185 transitions, 405 flow. Second operand has 10 states, 10 states have (on average 197.3) internal successors, (1973), 10 states have internal predecessors, (1973), 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) [2021-12-16 02:56:35,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:35,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 249 [2021-12-16 02:56:35,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:56:35,860 INFO L129 PetriNetUnfolder]: 0/254 cut-off events. [2021-12-16 02:56:35,860 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-16 02:56:35,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 254 events. 0/254 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 546 event pairs, 0 based on Foata normal form. 2/256 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-12-16 02:56:35,861 INFO L132 encePairwiseOnDemand]: 243/249 looper letters, 15 selfloop transitions, 9 changer transitions 0/195 dead transitions. [2021-12-16 02:56:35,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 195 transitions, 475 flow [2021-12-16 02:56:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:56:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:56:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1781 transitions. [2021-12-16 02:56:35,866 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7947344935296743 [2021-12-16 02:56:35,866 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1781 transitions. [2021-12-16 02:56:35,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1781 transitions. [2021-12-16 02:56:35,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:56:35,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1781 transitions. [2021-12-16 02:56:35,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 197.88888888888889) internal successors, (1781), 9 states have internal predecessors, (1781), 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) [2021-12-16 02:56:35,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 249.0) internal successors, (2490), 10 states have internal predecessors, (2490), 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) [2021-12-16 02:56:35,875 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 249.0) internal successors, (2490), 10 states have internal predecessors, (2490), 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) [2021-12-16 02:56:35,875 INFO L186 Difference]: Start difference. First operand has 200 places, 185 transitions, 405 flow. Second operand 9 states and 1781 transitions. [2021-12-16 02:56:35,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 195 transitions, 475 flow [2021-12-16 02:56:35,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 195 transitions, 473 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-16 02:56:35,880 INFO L242 Difference]: Finished difference. Result has 209 places, 191 transitions, 453 flow [2021-12-16 02:56:35,880 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=453, PETRI_PLACES=209, PETRI_TRANSITIONS=191} [2021-12-16 02:56:35,881 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -8 predicate places. [2021-12-16 02:56:35,881 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 191 transitions, 453 flow [2021-12-16 02:56:35,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 197.3) internal successors, (1973), 10 states have internal predecessors, (1973), 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) [2021-12-16 02:56:35,882 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:56:35,882 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:56:35,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-16 02:56:36,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:56:36,096 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:56:36,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:56:36,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1621213012, now seen corresponding path program 1 times [2021-12-16 02:56:36,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:56:36,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061159089] [2021-12-16 02:56:36,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:56:36,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:56:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:56:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 02:56:36,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:56:36,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061159089] [2021-12-16 02:56:36,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061159089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:56:36,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:56:36,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 02:56:36,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633147135] [2021-12-16 02:56:36,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:56:36,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 02:56:36,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:56:36,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 02:56:36,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 02:56:36,185 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 249 [2021-12-16 02:56:36,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 191 transitions, 453 flow. Second operand has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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) [2021-12-16 02:56:36,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:56:36,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 249 [2021-12-16 02:56:36,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:06,054 INFO L129 PetriNetUnfolder]: 110509/245363 cut-off events. [2021-12-16 02:57:06,054 INFO L130 PetriNetUnfolder]: For 2354/2354 co-relation queries the response was YES. [2021-12-16 02:57:08,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389079 conditions, 245363 events. 110509/245363 cut-off events. For 2354/2354 co-relation queries the response was YES. Maximal size of possible extension queue 8896. Compared 3383486 event pairs, 63940 based on Foata normal form. 3875/244898 useless extension candidates. Maximal degree in co-relation 389067. Up to 88950 conditions per place. [2021-12-16 02:57:09,753 INFO L132 encePairwiseOnDemand]: 240/249 looper letters, 38 selfloop transitions, 6 changer transitions 65/270 dead transitions. [2021-12-16 02:57:09,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 270 transitions, 849 flow [2021-12-16 02:57:09,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 02:57:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-16 02:57:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1350 transitions. [2021-12-16 02:57:09,759 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.774526678141136 [2021-12-16 02:57:09,759 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1350 transitions. [2021-12-16 02:57:09,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1350 transitions. [2021-12-16 02:57:09,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:09,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1350 transitions. [2021-12-16 02:57:09,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 192.85714285714286) internal successors, (1350), 7 states have internal predecessors, (1350), 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) [2021-12-16 02:57:09,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 249.0) internal successors, (1992), 8 states have internal predecessors, (1992), 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) [2021-12-16 02:57:09,767 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 249.0) internal successors, (1992), 8 states have internal predecessors, (1992), 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) [2021-12-16 02:57:09,767 INFO L186 Difference]: Start difference. First operand has 209 places, 191 transitions, 453 flow. Second operand 7 states and 1350 transitions. [2021-12-16 02:57:09,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 270 transitions, 849 flow [2021-12-16 02:57:09,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 270 transitions, 843 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-16 02:57:09,774 INFO L242 Difference]: Finished difference. Result has 219 places, 196 transitions, 515 flow [2021-12-16 02:57:09,774 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=515, PETRI_PLACES=219, PETRI_TRANSITIONS=196} [2021-12-16 02:57:09,774 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 2 predicate places. [2021-12-16 02:57:09,775 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 196 transitions, 515 flow [2021-12-16 02:57:09,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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) [2021-12-16 02:57:09,776 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:09,776 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:09,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-16 02:57:09,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1906525142, now seen corresponding path program 1 times [2021-12-16 02:57:09,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:09,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055679461] [2021-12-16 02:57:09,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:09,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:09,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:09,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055679461] [2021-12-16 02:57:09,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055679461] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:57:09,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642875040] [2021-12-16 02:57:09,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:09,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:57:09,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:57:09,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:57:09,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-16 02:57:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:09,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 02:57:09,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:57:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:10,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:57:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:10,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642875040] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:57:10,381 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:57:10,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-16 02:57:10,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492112549] [2021-12-16 02:57:10,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:57:10,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-16 02:57:10,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:10,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-16 02:57:10,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-16 02:57:10,386 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 249 [2021-12-16 02:57:10,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 196 transitions, 515 flow. Second operand has 18 states, 18 states have (on average 197.61111111111111) internal successors, (3557), 18 states have internal predecessors, (3557), 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) [2021-12-16 02:57:10,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:10,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 249 [2021-12-16 02:57:10,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:10,620 INFO L129 PetriNetUnfolder]: 49/648 cut-off events. [2021-12-16 02:57:10,620 INFO L130 PetriNetUnfolder]: For 109/277 co-relation queries the response was YES. [2021-12-16 02:57:10,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 982 conditions, 648 events. 49/648 cut-off events. For 109/277 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3351 event pairs, 23 based on Foata normal form. 3/634 useless extension candidates. Maximal degree in co-relation 964. Up to 81 conditions per place. [2021-12-16 02:57:10,634 INFO L132 encePairwiseOnDemand]: 244/249 looper letters, 18 selfloop transitions, 16 changer transitions 0/196 dead transitions. [2021-12-16 02:57:10,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 196 transitions, 595 flow [2021-12-16 02:57:10,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-16 02:57:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-16 02:57:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3547 transitions. [2021-12-16 02:57:10,642 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7913877733154842 [2021-12-16 02:57:10,642 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3547 transitions. [2021-12-16 02:57:10,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3547 transitions. [2021-12-16 02:57:10,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:10,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3547 transitions. [2021-12-16 02:57:10,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 197.05555555555554) internal successors, (3547), 18 states have internal predecessors, (3547), 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) [2021-12-16 02:57:10,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 249.0) internal successors, (4731), 19 states have internal predecessors, (4731), 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) [2021-12-16 02:57:10,661 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 249.0) internal successors, (4731), 19 states have internal predecessors, (4731), 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) [2021-12-16 02:57:10,661 INFO L186 Difference]: Start difference. First operand has 219 places, 196 transitions, 515 flow. Second operand 18 states and 3547 transitions. [2021-12-16 02:57:10,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 196 transitions, 595 flow [2021-12-16 02:57:10,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 196 transitions, 558 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-12-16 02:57:10,666 INFO L242 Difference]: Finished difference. Result has 211 places, 187 transitions, 494 flow [2021-12-16 02:57:10,666 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=494, PETRI_PLACES=211, PETRI_TRANSITIONS=187} [2021-12-16 02:57:10,667 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -6 predicate places. [2021-12-16 02:57:10,667 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 187 transitions, 494 flow [2021-12-16 02:57:10,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 197.61111111111111) internal successors, (3557), 18 states have internal predecessors, (3557), 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) [2021-12-16 02:57:10,668 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:10,668 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:10,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-16 02:57:10,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:57:10,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:10,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:10,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1000398316, now seen corresponding path program 1 times [2021-12-16 02:57:10,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:10,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733625440] [2021-12-16 02:57:10,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:10,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:57:10,913 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:57:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:57:10,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:57:10,935 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:57:10,936 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-16 02:57:10,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-16 02:57:10,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-16 02:57:10,936 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-16 02:57:10,937 WARN L234 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:57:10,937 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-12-16 02:57:10,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,971 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,971 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,982 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,989 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,989 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,989 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,990 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,991 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,997 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,997 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,999 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:10,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:11,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:11,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:11,000 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:11,000 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:11,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:11,003 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-12-16 02:57:11,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:57:11,006 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 02:57:11,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 02:57:11,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 279 transitions, 636 flow [2021-12-16 02:57:11,222 INFO L129 PetriNetUnfolder]: 284/1578 cut-off events. [2021-12-16 02:57:11,222 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-12-16 02:57:11,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1810 conditions, 1578 events. 284/1578 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8622 event pairs, 72 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1048. Up to 192 conditions per place. [2021-12-16 02:57:11,248 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 279 transitions, 636 flow [2021-12-16 02:57:11,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 242 places, 279 transitions, 636 flow [2021-12-16 02:57:11,266 INFO L129 PetriNetUnfolder]: 9/109 cut-off events. [2021-12-16 02:57:11,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:57:11,266 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:11,266 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:11,266 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:11,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:11,267 INFO L85 PathProgramCache]: Analyzing trace with hash -228878906, now seen corresponding path program 1 times [2021-12-16 02:57:11,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:11,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431031576] [2021-12-16 02:57:11,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:11,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:11,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:11,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431031576] [2021-12-16 02:57:11,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431031576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:11,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:11,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:57:11,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357851435] [2021-12-16 02:57:11,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:11,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:57:11,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:11,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:57:11,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:57:11,291 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 279 [2021-12-16 02:57:11,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 279 transitions, 636 flow. Second operand has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 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) [2021-12-16 02:57:11,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:11,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 279 [2021-12-16 02:57:11,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:11,556 INFO L129 PetriNetUnfolder]: 156/1443 cut-off events. [2021-12-16 02:57:11,557 INFO L130 PetriNetUnfolder]: For 657/691 co-relation queries the response was YES. [2021-12-16 02:57:11,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 1443 events. 156/1443 cut-off events. For 657/691 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8425 event pairs, 72 based on Foata normal form. 1314/2658 useless extension candidates. Maximal degree in co-relation 1041. Up to 199 conditions per place. [2021-12-16 02:57:11,581 INFO L132 encePairwiseOnDemand]: 238/279 looper letters, 6 selfloop transitions, 0 changer transitions 29/237 dead transitions. [2021-12-16 02:57:11,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 237 transitions, 576 flow [2021-12-16 02:57:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:57:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:57:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 503 transitions. [2021-12-16 02:57:11,583 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9014336917562724 [2021-12-16 02:57:11,583 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 503 transitions. [2021-12-16 02:57:11,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 503 transitions. [2021-12-16 02:57:11,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:11,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 503 transitions. [2021-12-16 02:57:11,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 251.5) internal successors, (503), 2 states have internal predecessors, (503), 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) [2021-12-16 02:57:11,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2021-12-16 02:57:11,586 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2021-12-16 02:57:11,586 INFO L186 Difference]: Start difference. First operand has 242 places, 279 transitions, 636 flow. Second operand 2 states and 503 transitions. [2021-12-16 02:57:11,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 237 transitions, 576 flow [2021-12-16 02:57:11,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 237 transitions, 576 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:11,590 INFO L242 Difference]: Finished difference. Result has 242 places, 208 transitions, 476 flow [2021-12-16 02:57:11,591 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=476, PETRI_PLACES=242, PETRI_TRANSITIONS=208} [2021-12-16 02:57:11,591 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, 0 predicate places. [2021-12-16 02:57:11,592 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 208 transitions, 476 flow [2021-12-16 02:57:11,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 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) [2021-12-16 02:57:11,592 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:11,592 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:11,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-16 02:57:11,593 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:11,593 INFO L85 PathProgramCache]: Analyzing trace with hash -522281913, now seen corresponding path program 1 times [2021-12-16 02:57:11,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:11,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581269349] [2021-12-16 02:57:11,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:11,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:11,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:11,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581269349] [2021-12-16 02:57:11,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581269349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:11,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:11,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:57:11,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995227879] [2021-12-16 02:57:11,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:11,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:57:11,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:11,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:57:11,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:57:11,617 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 279 [2021-12-16 02:57:11,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 208 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-16 02:57:11,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:11,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 279 [2021-12-16 02:57:11,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:11,674 INFO L129 PetriNetUnfolder]: 6/337 cut-off events. [2021-12-16 02:57:11,674 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-12-16 02:57:11,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 337 events. 6/337 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 914 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 410. Up to 36 conditions per place. [2021-12-16 02:57:11,678 INFO L132 encePairwiseOnDemand]: 276/279 looper letters, 15 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2021-12-16 02:57:11,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 212 transitions, 518 flow [2021-12-16 02:57:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:57:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:57:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-12-16 02:57:11,680 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8028673835125448 [2021-12-16 02:57:11,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-12-16 02:57:11,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-12-16 02:57:11,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:11,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-12-16 02:57:11,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 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) [2021-12-16 02:57:11,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-12-16 02:57:11,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-12-16 02:57:11,684 INFO L186 Difference]: Start difference. First operand has 242 places, 208 transitions, 476 flow. Second operand 3 states and 672 transitions. [2021-12-16 02:57:11,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 212 transitions, 518 flow [2021-12-16 02:57:11,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 212 transitions, 488 flow, removed 15 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:11,688 INFO L242 Difference]: Finished difference. Result has 224 places, 209 transitions, 458 flow [2021-12-16 02:57:11,688 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=224, PETRI_TRANSITIONS=209} [2021-12-16 02:57:11,689 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, -18 predicate places. [2021-12-16 02:57:11,689 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 209 transitions, 458 flow [2021-12-16 02:57:11,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2021-12-16 02:57:11,689 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:11,689 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:11,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-16 02:57:11,690 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:11,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:11,690 INFO L85 PathProgramCache]: Analyzing trace with hash 384187445, now seen corresponding path program 1 times [2021-12-16 02:57:11,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:11,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054805226] [2021-12-16 02:57:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:11,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:11,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:11,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054805226] [2021-12-16 02:57:11,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054805226] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:57:11,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808983267] [2021-12-16 02:57:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:11,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:57:11,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:57:11,724 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:57:11,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-16 02:57:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:11,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 02:57:11,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:57:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 02:57:11,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 02:57:11,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808983267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:11,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 02:57:11,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-16 02:57:11,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614433490] [2021-12-16 02:57:11,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:11,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:57:11,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:11,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:57:11,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:57:11,953 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 279 [2021-12-16 02:57:11,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 209 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 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) [2021-12-16 02:57:11,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:11,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 279 [2021-12-16 02:57:11,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:12,010 INFO L129 PetriNetUnfolder]: 0/343 cut-off events. [2021-12-16 02:57:12,010 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-12-16 02:57:12,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 343 events. 0/343 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 993 event pairs, 0 based on Foata normal form. 6/343 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-12-16 02:57:12,011 INFO L132 encePairwiseOnDemand]: 277/279 looper letters, 10 selfloop transitions, 0 changer transitions 1/209 dead transitions. [2021-12-16 02:57:12,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 209 transitions, 480 flow [2021-12-16 02:57:12,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:57:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:57:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 663 transitions. [2021-12-16 02:57:12,014 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7921146953405018 [2021-12-16 02:57:12,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 663 transitions. [2021-12-16 02:57:12,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 663 transitions. [2021-12-16 02:57:12,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:12,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 663 transitions. [2021-12-16 02:57:12,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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) [2021-12-16 02:57:12,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-12-16 02:57:12,017 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-12-16 02:57:12,017 INFO L186 Difference]: Start difference. First operand has 224 places, 209 transitions, 458 flow. Second operand 3 states and 663 transitions. [2021-12-16 02:57:12,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 209 transitions, 480 flow [2021-12-16 02:57:12,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 209 transitions, 478 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:57:12,022 INFO L242 Difference]: Finished difference. Result has 226 places, 208 transitions, 456 flow [2021-12-16 02:57:12,022 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=226, PETRI_TRANSITIONS=208} [2021-12-16 02:57:12,023 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, -16 predicate places. [2021-12-16 02:57:12,023 INFO L470 AbstractCegarLoop]: Abstraction has has 226 places, 208 transitions, 456 flow [2021-12-16 02:57:12,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 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) [2021-12-16 02:57:12,023 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:12,023 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:12,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-16 02:57:12,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-16 02:57:12,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:12,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:12,240 INFO L85 PathProgramCache]: Analyzing trace with hash -506118240, now seen corresponding path program 1 times [2021-12-16 02:57:12,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:12,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389707135] [2021-12-16 02:57:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:12,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:12,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:12,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389707135] [2021-12-16 02:57:12,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389707135] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:57:12,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260797096] [2021-12-16 02:57:12,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:12,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:57:12,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:57:12,272 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 02:57:12,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-16 02:57:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:12,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 02:57:12,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:57:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:12,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:57:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 02:57:12,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260797096] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:57:12,590 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:57:12,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-16 02:57:12,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983055819] [2021-12-16 02:57:12,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:57:12,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 02:57:12,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:12,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 02:57:12,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-16 02:57:12,594 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 279 [2021-12-16 02:57:12,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 208 transitions, 456 flow. Second operand has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2021-12-16 02:57:12,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:12,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 279 [2021-12-16 02:57:12,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:12,813 INFO L129 PetriNetUnfolder]: 0/301 cut-off events. [2021-12-16 02:57:12,813 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-16 02:57:12,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 301 events. 0/301 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 714 event pairs, 0 based on Foata normal form. 2/303 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-12-16 02:57:12,814 INFO L132 encePairwiseOnDemand]: 273/279 looper letters, 16 selfloop transitions, 9 changer transitions 0/218 dead transitions. [2021-12-16 02:57:12,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 218 transitions, 528 flow [2021-12-16 02:57:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:57:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:57:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1980 transitions. [2021-12-16 02:57:12,820 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7885304659498208 [2021-12-16 02:57:12,820 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1980 transitions. [2021-12-16 02:57:12,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1980 transitions. [2021-12-16 02:57:12,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:12,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1980 transitions. [2021-12-16 02:57:12,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 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) [2021-12-16 02:57:12,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 279.0) internal successors, (2790), 10 states have internal predecessors, (2790), 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) [2021-12-16 02:57:12,829 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 279.0) internal successors, (2790), 10 states have internal predecessors, (2790), 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) [2021-12-16 02:57:12,829 INFO L186 Difference]: Start difference. First operand has 226 places, 208 transitions, 456 flow. Second operand 9 states and 1980 transitions. [2021-12-16 02:57:12,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 218 transitions, 528 flow [2021-12-16 02:57:12,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 218 transitions, 526 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-16 02:57:12,834 INFO L242 Difference]: Finished difference. Result has 235 places, 214 transitions, 504 flow [2021-12-16 02:57:12,834 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=504, PETRI_PLACES=235, PETRI_TRANSITIONS=214} [2021-12-16 02:57:12,835 INFO L334 CegarLoopForPetriNet]: 242 programPoint places, -7 predicate places. [2021-12-16 02:57:12,835 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 214 transitions, 504 flow [2021-12-16 02:57:12,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2021-12-16 02:57:12,836 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:12,836 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 02:57:12,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-16 02:57:13,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-16 02:57:13,051 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-16 02:57:13,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:13,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1097070399, now seen corresponding path program 1 times [2021-12-16 02:57:13,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:13,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629932721] [2021-12-16 02:57:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:13,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 02:57:13,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:13,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629932721] [2021-12-16 02:57:13,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629932721] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:13,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:13,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 02:57:13,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408334512] [2021-12-16 02:57:13,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:13,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 02:57:13,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:13,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 02:57:13,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 02:57:13,130 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 279 [2021-12-16 02:57:13,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 214 transitions, 504 flow. Second operand has 5 states, 5 states have (on average 196.6) internal successors, (983), 5 states have internal predecessors, (983), 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) [2021-12-16 02:57:13,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:13,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 279 [2021-12-16 02:57:13,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand