./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_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_60-invariant_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 ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:57:42,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:57:42,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:57:42,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:57:42,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:57:42,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:57:42,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:57:42,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:57:42,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:57:42,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:57:42,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:57:42,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:57:42,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:57:42,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:57:42,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:57:42,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:57:42,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:57:42,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:57:42,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:57:42,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:57:42,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:57:42,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:57:42,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:57:42,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:57:42,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:57:42,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:57:42,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:57:42,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:57:42,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:57:42,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:57:42,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:57:42,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:57:42,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:57:42,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:57:42,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:57:42,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:57:42,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:57:42,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:57:42,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:57:42,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:57:42,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:57:42,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:57:42,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:57:42,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:57:42,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:57:42,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:57:42,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:57:42,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:57:42,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:57:42,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:57:42,737 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:57:42,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:57:42,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:57:42,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:57:42,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:57:42,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:57:42,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:57:42,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:57:42,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:57:42,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:57:42,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:57:42,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:57:42,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:57:42,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:57:42,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:57:42,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:57:42,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:57:42,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:57:42,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:57:42,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:57:42,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 [2021-12-16 02:57:42,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:57:42,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:57:42,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:57:42,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:57:42,988 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:57:42,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2021-12-16 02:57:43,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0daeaeaef/574848ccb9d54003ac086e06f5240a95/FLAGe59c888c4 [2021-12-16 02:57:43,475 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:57:43,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2021-12-16 02:57:43,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0daeaeaef/574848ccb9d54003ac086e06f5240a95/FLAGe59c888c4 [2021-12-16 02:57:43,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0daeaeaef/574848ccb9d54003ac086e06f5240a95 [2021-12-16 02:57:43,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:57:43,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:57:43,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:57:43,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:57:43,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:57:43,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@833179a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43, skipping insertion in model container [2021-12-16 02:57:43,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:57:43,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:57:43,771 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_60-invariant_racefree.i[30176,30189] [2021-12-16 02:57:43,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:57:43,799 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:57:43,822 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_60-invariant_racefree.i[30176,30189] [2021-12-16 02:57:43,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:57:43,851 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:57:43,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43 WrapperNode [2021-12-16 02:57:43,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:57:43,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:57:43,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:57:43,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:57:43,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,890 INFO L137 Inliner]: procedures = 170, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 141 [2021-12-16 02:57:43,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:57:43,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:57:43,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:57:43,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:57:43,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:57:43,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:57:43,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:57:43,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:57:43,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (1/1) ... [2021-12-16 02:57:43,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:57:43,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:57:43,956 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 02:57:43,960 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 02:57:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-16 02:57:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:57:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:57:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:57:43,997 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 02:57:44,150 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:57:44,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:57:44,341 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:57:44,347 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:57:44,347 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-16 02:57:44,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:57:44 BoogieIcfgContainer [2021-12-16 02:57:44,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 02:57:44,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 02:57:44,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 02:57:44,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 02:57:44,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:57:43" (1/3) ... [2021-12-16 02:57:44,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73870396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:57:44, skipping insertion in model container [2021-12-16 02:57:44,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:57:43" (2/3) ... [2021-12-16 02:57:44,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73870396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:57:44, skipping insertion in model container [2021-12-16 02:57:44,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:57:44" (3/3) ... [2021-12-16 02:57:44,356 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_60-invariant_racefree.i [2021-12-16 02:57:44,360 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 02:57:44,360 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 02:57:44,360 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 02:57:44,360 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 02:57:44,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,400 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,400 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,400 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,400 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,401 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,401 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,401 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,401 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,401 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,402 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,403 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,403 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,404 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,405 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,405 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,405 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,406 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,406 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,406 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,407 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,407 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,408 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,409 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:44,423 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-16 02:57:44,472 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:57:44,479 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 02:57:44,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-16 02:57:44,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 146 transitions, 300 flow [2021-12-16 02:57:44,561 INFO L129 PetriNetUnfolder]: 33/204 cut-off events. [2021-12-16 02:57:44,562 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-16 02:57:44,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 204 events. 33/204 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 672 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 110. Up to 6 conditions per place. [2021-12-16 02:57:44,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 146 transitions, 300 flow [2021-12-16 02:57:44,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 141 transitions, 287 flow [2021-12-16 02:57:44,607 INFO L129 PetriNetUnfolder]: 11/100 cut-off events. [2021-12-16 02:57:44,607 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:57:44,608 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:44,608 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] [2021-12-16 02:57:44,609 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 02:57:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:44,614 INFO L85 PathProgramCache]: Analyzing trace with hash 240493146, now seen corresponding path program 1 times [2021-12-16 02:57:44,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:44,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830020872] [2021-12-16 02:57:44,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:44,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:44,786 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 02:57:44,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:44,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830020872] [2021-12-16 02:57:44,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830020872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:44,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:44,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:57:44,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863383576] [2021-12-16 02:57:44,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:44,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:57:44,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:44,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:57:44,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:57:44,833 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 146 [2021-12-16 02:57:44,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 141 transitions, 287 flow. Second operand has 2 states, 2 states have (on average 123.0) internal successors, (246), 2 states have internal predecessors, (246), 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 02:57:44,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:44,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 146 [2021-12-16 02:57:44,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:44,880 INFO L129 PetriNetUnfolder]: 1/165 cut-off events. [2021-12-16 02:57:44,880 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-16 02:57:44,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 165 events. 1/165 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 312 event pairs, 0 based on Foata normal form. 31/188 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2021-12-16 02:57:44,883 INFO L132 encePairwiseOnDemand]: 126/146 looper letters, 1 selfloop transitions, 0 changer transitions 0/119 dead transitions. [2021-12-16 02:57:44,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 119 transitions, 245 flow [2021-12-16 02:57:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:57:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:57:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2021-12-16 02:57:44,896 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9075342465753424 [2021-12-16 02:57:44,897 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2021-12-16 02:57:44,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2021-12-16 02:57:44,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:44,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2021-12-16 02:57:44,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 02:57:44,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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 02:57:44,911 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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 02:57:44,912 INFO L186 Difference]: Start difference. First operand has 123 places, 141 transitions, 287 flow. Second operand 2 states and 265 transitions. [2021-12-16 02:57:44,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 119 transitions, 245 flow [2021-12-16 02:57:44,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:44,918 INFO L242 Difference]: Finished difference. Result has 122 places, 119 transitions, 243 flow [2021-12-16 02:57:44,919 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=243, PETRI_PLACES=122, PETRI_TRANSITIONS=119} [2021-12-16 02:57:44,922 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places. [2021-12-16 02:57:44,922 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 119 transitions, 243 flow [2021-12-16 02:57:44,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.0) internal successors, (246), 2 states have internal predecessors, (246), 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 02:57:44,923 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:44,923 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] [2021-12-16 02:57:44,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 02:57:44,924 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 02:57:44,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:44,924 INFO L85 PathProgramCache]: Analyzing trace with hash 653294572, now seen corresponding path program 1 times [2021-12-16 02:57:44,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:44,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756643330] [2021-12-16 02:57:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:44,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:57:44,965 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:57:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:57:45,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:57:45,006 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:57:45,007 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2021-12-16 02:57:45,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-12-16 02:57:45,009 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-12-16 02:57:45,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-12-16 02:57:45,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 02:57:45,013 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-16 02:57:45,014 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:57:45,014 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-16 02:57:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:45,066 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-16 02:57:45,068 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:57:45,073 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 02:57:45,074 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-16 02:57:45,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 195 transitions, 408 flow [2021-12-16 02:57:45,129 INFO L129 PetriNetUnfolder]: 57/336 cut-off events. [2021-12-16 02:57:45,129 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-16 02:57:45,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 336 events. 57/336 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1280 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 206. Up to 9 conditions per place. [2021-12-16 02:57:45,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 195 transitions, 408 flow [2021-12-16 02:57:45,139 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 195 transitions, 408 flow [2021-12-16 02:57:45,146 INFO L129 PetriNetUnfolder]: 10/99 cut-off events. [2021-12-16 02:57:45,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:57:45,147 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:45,147 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] [2021-12-16 02:57:45,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 02:57:45,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:45,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1100514403, now seen corresponding path program 1 times [2021-12-16 02:57:45,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:45,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586497560] [2021-12-16 02:57:45,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:45,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:45,209 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 02:57:45,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:45,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586497560] [2021-12-16 02:57:45,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586497560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:45,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:45,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:57:45,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442228663] [2021-12-16 02:57:45,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:45,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:57:45,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:45,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:57:45,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:57:45,212 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 195 [2021-12-16 02:57:45,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 195 transitions, 408 flow. Second operand has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 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 02:57:45,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:45,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 195 [2021-12-16 02:57:45,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:45,260 INFO L129 PetriNetUnfolder]: 5/279 cut-off events. [2021-12-16 02:57:45,260 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-12-16 02:57:45,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 279 events. 5/279 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 818 event pairs, 0 based on Foata normal form. 73/338 useless extension candidates. Maximal degree in co-relation 174. Up to 7 conditions per place. [2021-12-16 02:57:45,263 INFO L132 encePairwiseOnDemand]: 166/195 looper letters, 4 selfloop transitions, 0 changer transitions 0/163 dead transitions. [2021-12-16 02:57:45,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 352 flow [2021-12-16 02:57:45,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:57:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:57:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 351 transitions. [2021-12-16 02:57:45,271 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-12-16 02:57:45,271 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 351 transitions. [2021-12-16 02:57:45,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 351 transitions. [2021-12-16 02:57:45,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:45,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 351 transitions. [2021-12-16 02:57:45,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 175.5) internal successors, (351), 2 states have internal predecessors, (351), 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 02:57:45,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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 02:57:45,275 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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 02:57:45,275 INFO L186 Difference]: Start difference. First operand has 167 places, 195 transitions, 408 flow. Second operand 2 states and 351 transitions. [2021-12-16 02:57:45,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 352 flow [2021-12-16 02:57:45,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:45,281 INFO L242 Difference]: Finished difference. Result has 165 places, 163 transitions, 344 flow [2021-12-16 02:57:45,282 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=164, 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=2, PETRI_FLOW=344, PETRI_PLACES=165, PETRI_TRANSITIONS=163} [2021-12-16 02:57:45,282 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -2 predicate places. [2021-12-16 02:57:45,282 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 344 flow [2021-12-16 02:57:45,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 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 02:57:45,283 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:45,283 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] [2021-12-16 02:57:45,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 02:57:45,283 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 02:57:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:45,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1703677742, now seen corresponding path program 1 times [2021-12-16 02:57:45,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:45,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225487564] [2021-12-16 02:57:45,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:45,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:45,409 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 02:57:45,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:45,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225487564] [2021-12-16 02:57:45,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225487564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:45,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:45,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 02:57:45,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386932879] [2021-12-16 02:57:45,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:45,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 02:57:45,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:45,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 02:57:45,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 02:57:45,417 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 195 [2021-12-16 02:57:45,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 163 transitions, 344 flow. Second operand has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 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 02:57:45,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:45,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 195 [2021-12-16 02:57:45,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:46,173 INFO L129 PetriNetUnfolder]: 1287/6396 cut-off events. [2021-12-16 02:57:46,174 INFO L130 PetriNetUnfolder]: For 339/339 co-relation queries the response was YES. [2021-12-16 02:57:46,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8783 conditions, 6396 events. 1287/6396 cut-off events. For 339/339 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 70591 event pairs, 499 based on Foata normal form. 0/6003 useless extension candidates. Maximal degree in co-relation 8778. Up to 1001 conditions per place. [2021-12-16 02:57:46,210 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 94 selfloop transitions, 26 changer transitions 3/258 dead transitions. [2021-12-16 02:57:46,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 258 transitions, 826 flow [2021-12-16 02:57:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:57:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:57:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1344 transitions. [2021-12-16 02:57:46,214 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7658119658119659 [2021-12-16 02:57:46,214 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1344 transitions. [2021-12-16 02:57:46,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1344 transitions. [2021-12-16 02:57:46,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:46,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1344 transitions. [2021-12-16 02:57:46,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 149.33333333333334) internal successors, (1344), 9 states have internal predecessors, (1344), 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 02:57:46,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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 02:57:46,221 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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 02:57:46,222 INFO L186 Difference]: Start difference. First operand has 165 places, 163 transitions, 344 flow. Second operand 9 states and 1344 transitions. [2021-12-16 02:57:46,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 258 transitions, 826 flow [2021-12-16 02:57:46,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 258 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:46,229 INFO L242 Difference]: Finished difference. Result has 180 places, 189 transitions, 551 flow [2021-12-16 02:57:46,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=551, PETRI_PLACES=180, PETRI_TRANSITIONS=189} [2021-12-16 02:57:46,231 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, 13 predicate places. [2021-12-16 02:57:46,231 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 189 transitions, 551 flow [2021-12-16 02:57:46,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 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 02:57:46,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:46,232 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] [2021-12-16 02:57:46,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 02:57:46,233 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-16 02:57:46,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:46,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1080746650, now seen corresponding path program 1 times [2021-12-16 02:57:46,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:46,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361660872] [2021-12-16 02:57:46,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:46,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:57:46,269 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:57:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:57:46,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:57:46,307 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:57:46,307 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2021-12-16 02:57:46,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-16 02:57:46,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-12-16 02:57:46,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-12-16 02:57:46,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-16 02:57:46,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 02:57:46,308 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-16 02:57:46,309 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:57:46,309 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-16 02:57:46,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,346 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,362 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:57:46,364 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-16 02:57:46,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:57:46,366 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 02:57:46,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-16 02:57:46,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 244 transitions, 518 flow [2021-12-16 02:57:46,407 INFO L129 PetriNetUnfolder]: 86/501 cut-off events. [2021-12-16 02:57:46,407 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-12-16 02:57:46,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 501 events. 86/501 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1993 event pairs, 1 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 344. Up to 16 conditions per place. [2021-12-16 02:57:46,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 207 places, 244 transitions, 518 flow [2021-12-16 02:57:46,415 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 244 transitions, 518 flow [2021-12-16 02:57:46,419 INFO L129 PetriNetUnfolder]: 11/101 cut-off events. [2021-12-16 02:57:46,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:57:46,420 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:46,420 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] [2021-12-16 02:57:46,420 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-16 02:57:46,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:46,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2095703407, now seen corresponding path program 1 times [2021-12-16 02:57:46,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:46,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640295329] [2021-12-16 02:57:46,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:46,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:46,437 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 02:57:46,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:46,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640295329] [2021-12-16 02:57:46,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640295329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:46,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:46,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:57:46,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329055591] [2021-12-16 02:57:46,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:46,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:57:46,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:57:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:57:46,440 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 244 [2021-12-16 02:57:46,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 244 transitions, 518 flow. Second operand has 2 states, 2 states have (on average 197.0) internal successors, (394), 2 states have internal predecessors, (394), 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 02:57:46,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:46,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 244 [2021-12-16 02:57:46,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:46,498 INFO L129 PetriNetUnfolder]: 11/419 cut-off events. [2021-12-16 02:57:46,498 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-12-16 02:57:46,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 419 events. 11/419 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1522 event pairs, 1 based on Foata normal form. 170/567 useless extension candidates. Maximal degree in co-relation 293. Up to 16 conditions per place. [2021-12-16 02:57:46,501 INFO L132 encePairwiseOnDemand]: 206/244 looper letters, 6 selfloop transitions, 0 changer transitions 0/202 dead transitions. [2021-12-16 02:57:46,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 202 transitions, 446 flow [2021-12-16 02:57:46,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:57:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:57:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 436 transitions. [2021-12-16 02:57:46,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8934426229508197 [2021-12-16 02:57:46,503 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 436 transitions. [2021-12-16 02:57:46,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 436 transitions. [2021-12-16 02:57:46,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:46,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 436 transitions. [2021-12-16 02:57:46,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 218.0) internal successors, (436), 2 states have internal predecessors, (436), 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 02:57:46,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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 02:57:46,506 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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 02:57:46,506 INFO L186 Difference]: Start difference. First operand has 207 places, 244 transitions, 518 flow. Second operand 2 states and 436 transitions. [2021-12-16 02:57:46,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 202 transitions, 446 flow [2021-12-16 02:57:46,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:46,509 INFO L242 Difference]: Finished difference. Result has 204 places, 202 transitions, 434 flow [2021-12-16 02:57:46,509 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=434, PETRI_PLACES=204, PETRI_TRANSITIONS=202} [2021-12-16 02:57:46,510 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -3 predicate places. [2021-12-16 02:57:46,510 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 202 transitions, 434 flow [2021-12-16 02:57:46,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 197.0) internal successors, (394), 2 states have internal predecessors, (394), 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 02:57:46,510 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:46,510 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] [2021-12-16 02:57:46,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 02:57:46,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-16 02:57:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:46,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1306727645, now seen corresponding path program 1 times [2021-12-16 02:57:46,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:46,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598089252] [2021-12-16 02:57:46,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:46,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:46,548 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 02:57:46,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:46,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598089252] [2021-12-16 02:57:46,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598089252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:46,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:46,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 02:57:46,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973385411] [2021-12-16 02:57:46,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:46,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 02:57:46,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:46,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 02:57:46,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 02:57:46,551 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 244 [2021-12-16 02:57:46,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 202 transitions, 434 flow. Second operand has 5 states, 5 states have (on average 166.4) internal successors, (832), 5 states have internal predecessors, (832), 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 02:57:46,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:46,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 244 [2021-12-16 02:57:46,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:52,066 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][320], [t_funThread3of3ForFork0NotInUse, 189#L702-7true, 73#L716-5true, 210#true, 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse]) [2021-12-16 02:57:52,066 INFO L384 tUnfolder$Statistics]: this new event has 144 ancestors and is cut-off event [2021-12-16 02:57:52,079 INFO L387 tUnfolder$Statistics]: existing Event has 138 ancestors and is cut-off event [2021-12-16 02:57:52,079 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-16 02:57:52,079 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 02:57:52,129 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][321], [t_funThread3of3ForFork0NotInUse, 73#L716-5true, 210#true, 191#L702-4true, 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse]) [2021-12-16 02:57:52,130 INFO L384 tUnfolder$Statistics]: this new event has 148 ancestors and is cut-off event [2021-12-16 02:57:52,130 INFO L387 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2021-12-16 02:57:52,130 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-16 02:57:52,130 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 02:57:52,167 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][321], [t_funThread3of3ForFork0NotInUse, 73#L716-5true, 210#true, 62#L691true, 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse]) [2021-12-16 02:57:52,168 INFO L384 tUnfolder$Statistics]: this new event has 149 ancestors and is cut-off event [2021-12-16 02:57:52,168 INFO L387 tUnfolder$Statistics]: existing Event has 143 ancestors and is cut-off event [2021-12-16 02:57:52,168 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-16 02:57:52,168 INFO L387 tUnfolder$Statistics]: existing Event has 115 ancestors and is cut-off event [2021-12-16 02:57:52,202 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][323], [t_funThread3of3ForFork0NotInUse, 73#L716-5true, 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 210#true, 98#L691-1true, t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse]) [2021-12-16 02:57:52,203 INFO L384 tUnfolder$Statistics]: this new event has 150 ancestors and is cut-off event [2021-12-16 02:57:52,203 INFO L387 tUnfolder$Statistics]: existing Event has 144 ancestors and is cut-off event [2021-12-16 02:57:52,203 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-16 02:57:52,203 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-16 02:57:52,232 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][323], [t_funThread3of3ForFork0NotInUse, 73#L716-5true, 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 210#true, t_funThread1of3ForFork0InUse, 68#L691-5true, t_funThread2of3ForFork0NotInUse]) [2021-12-16 02:57:52,232 INFO L384 tUnfolder$Statistics]: this new event has 151 ancestors and is cut-off event [2021-12-16 02:57:52,232 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-16 02:57:52,232 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-16 02:57:52,232 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2021-12-16 02:57:52,440 INFO L129 PetriNetUnfolder]: 18279/64896 cut-off events. [2021-12-16 02:57:52,440 INFO L130 PetriNetUnfolder]: For 5131/5131 co-relation queries the response was YES. [2021-12-16 02:57:52,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93482 conditions, 64896 events. 18279/64896 cut-off events. For 5131/5131 co-relation queries the response was YES. Maximal size of possible extension queue 2480. Compared 958199 event pairs, 6477 based on Foata normal form. 0/60938 useless extension candidates. Maximal degree in co-relation 93476. Up to 11621 conditions per place. [2021-12-16 02:57:53,071 INFO L132 encePairwiseOnDemand]: 225/244 looper letters, 151 selfloop transitions, 40 changer transitions 0/356 dead transitions. [2021-12-16 02:57:53,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 356 transitions, 1205 flow [2021-12-16 02:57:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:57:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:57:53,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1687 transitions. [2021-12-16 02:57:53,075 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7682149362477231 [2021-12-16 02:57:53,075 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1687 transitions. [2021-12-16 02:57:53,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1687 transitions. [2021-12-16 02:57:53,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:53,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1687 transitions. [2021-12-16 02:57:53,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 187.44444444444446) internal successors, (1687), 9 states have internal predecessors, (1687), 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 02:57:53,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 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 02:57:53,084 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 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 02:57:53,085 INFO L186 Difference]: Start difference. First operand has 204 places, 202 transitions, 434 flow. Second operand 9 states and 1687 transitions. [2021-12-16 02:57:53,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 356 transitions, 1205 flow [2021-12-16 02:57:53,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 356 transitions, 1205 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:53,215 INFO L242 Difference]: Finished difference. Result has 220 places, 240 transitions, 764 flow [2021-12-16 02:57:53,215 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=764, PETRI_PLACES=220, PETRI_TRANSITIONS=240} [2021-12-16 02:57:53,216 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 13 predicate places. [2021-12-16 02:57:53,216 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 240 transitions, 764 flow [2021-12-16 02:57:53,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 166.4) internal successors, (832), 5 states have internal predecessors, (832), 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 02:57:53,217 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:53,217 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] [2021-12-16 02:57:53,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 02:57:53,218 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-16 02:57:53,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1152243931, now seen corresponding path program 1 times [2021-12-16 02:57:53,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:53,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695032811] [2021-12-16 02:57:53,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:53,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:53,254 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 02:57:53,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:53,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695032811] [2021-12-16 02:57:53,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695032811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:53,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:53,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 02:57:53,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523769195] [2021-12-16 02:57:53,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:53,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:57:53,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:53,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:57:53,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:57:53,258 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 244 [2021-12-16 02:57:53,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 240 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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 02:57:53,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:53,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 244 [2021-12-16 02:57:53,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:57:54,683 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 76#L705true]) [2021-12-16 02:57:54,683 INFO L384 tUnfolder$Statistics]: this new event has 144 ancestors and is cut-off event [2021-12-16 02:57:54,683 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 02:57:54,683 INFO L387 tUnfolder$Statistics]: existing Event has 138 ancestors and is cut-off event [2021-12-16 02:57:54,683 INFO L387 tUnfolder$Statistics]: existing Event has 144 ancestors and is cut-off event [2021-12-16 02:57:54,707 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 191#L702-4true, Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse]) [2021-12-16 02:57:54,708 INFO L384 tUnfolder$Statistics]: this new event has 148 ancestors and is cut-off event [2021-12-16 02:57:54,708 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 02:57:54,708 INFO L387 tUnfolder$Statistics]: existing Event has 148 ancestors and is cut-off event [2021-12-16 02:57:54,708 INFO L387 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2021-12-16 02:57:54,722 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 160#L706-4true]) [2021-12-16 02:57:54,722 INFO L384 tUnfolder$Statistics]: this new event has 150 ancestors and is cut-off event [2021-12-16 02:57:54,722 INFO L387 tUnfolder$Statistics]: existing Event has 144 ancestors and is cut-off event [2021-12-16 02:57:54,722 INFO L387 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2021-12-16 02:57:54,722 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-16 02:57:54,739 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 191#L702-4true, t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))]) [2021-12-16 02:57:54,739 INFO L384 tUnfolder$Statistics]: this new event has 154 ancestors and is cut-off event [2021-12-16 02:57:54,739 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-16 02:57:54,740 INFO L387 tUnfolder$Statistics]: existing Event has 148 ancestors and is cut-off event [2021-12-16 02:57:54,740 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 02:57:54,747 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 98#L691-1true, 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)))]) [2021-12-16 02:57:54,747 INFO L384 tUnfolder$Statistics]: this new event has 156 ancestors and is cut-off event [2021-12-16 02:57:54,747 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-16 02:57:54,747 INFO L387 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2021-12-16 02:57:54,748 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-16 02:57:54,754 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [235#true, Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, 73#L716-5true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 151#L706-12true, 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse]) [2021-12-16 02:57:54,754 INFO L384 tUnfolder$Statistics]: this new event has 157 ancestors and is cut-off event [2021-12-16 02:57:54,754 INFO L387 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2021-12-16 02:57:54,754 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2021-12-16 02:57:54,754 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2021-12-16 02:57:54,774 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= v_t_funThread2of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [235#true, Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), 73#L716-5true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), t_funThread1of3ForFork0NotInUse, t_funThread2of3ForFork0NotInUse, 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), t_funThread3of3ForFork0NotInUse]) [2021-12-16 02:57:54,774 INFO L384 tUnfolder$Statistics]: this new event has 170 ancestors and is cut-off event [2021-12-16 02:57:54,774 INFO L387 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2021-12-16 02:57:54,774 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-12-16 02:57:54,774 INFO L387 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2021-12-16 02:57:54,777 INFO L129 PetriNetUnfolder]: 1746/14025 cut-off events. [2021-12-16 02:57:54,777 INFO L130 PetriNetUnfolder]: For 6960/7695 co-relation queries the response was YES. [2021-12-16 02:57:54,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22379 conditions, 14025 events. 1746/14025 cut-off events. For 6960/7695 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 185549 event pairs, 930 based on Foata normal form. 50/13336 useless extension candidates. Maximal degree in co-relation 22365. Up to 1770 conditions per place. [2021-12-16 02:57:54,894 INFO L132 encePairwiseOnDemand]: 241/244 looper letters, 15 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2021-12-16 02:57:54,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 244 transitions, 806 flow [2021-12-16 02:57:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:57:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:57:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2021-12-16 02:57:54,897 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7991803278688525 [2021-12-16 02:57:54,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 585 transitions. [2021-12-16 02:57:54,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 585 transitions. [2021-12-16 02:57:54,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:57:54,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 585 transitions. [2021-12-16 02:57:54,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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 02:57:54,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 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 02:57:54,900 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 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 02:57:54,900 INFO L186 Difference]: Start difference. First operand has 220 places, 240 transitions, 764 flow. Second operand 3 states and 585 transitions. [2021-12-16 02:57:54,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 244 transitions, 806 flow [2021-12-16 02:57:54,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 244 transitions, 806 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:57:54,940 INFO L242 Difference]: Finished difference. Result has 223 places, 241 transitions, 776 flow [2021-12-16 02:57:54,940 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=223, PETRI_TRANSITIONS=241} [2021-12-16 02:57:54,941 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 16 predicate places. [2021-12-16 02:57:54,941 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 241 transitions, 776 flow [2021-12-16 02:57:54,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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 02:57:54,941 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:57:54,942 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] [2021-12-16 02:57:54,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 02:57:54,942 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-16 02:57:54,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:57:54,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2125649252, now seen corresponding path program 1 times [2021-12-16 02:57:54,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:57:54,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310745829] [2021-12-16 02:57:54,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:57:54,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:57:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:57:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 02:57:54,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:57:54,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310745829] [2021-12-16 02:57:54,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310745829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:57:54,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:57:54,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 02:57:54,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510378347] [2021-12-16 02:57:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:57:54,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 02:57:54,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:57:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 02:57:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 02:57:54,998 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 244 [2021-12-16 02:57:54,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 241 transitions, 776 flow. Second operand has 5 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 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 02:57:54,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:57:54,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 244 [2021-12-16 02:57:54,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:58:04,579 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([964] t_funEXIT-->L716-5: Formula: (= v_t_funThread1of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_11| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_11|, t_funThread1of3ForFork0_thidvar0=v_t_funThread1of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_11|, t_funThread1of3ForFork0_thidvar0=v_t_funThread1of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][406], [235#true, Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 210#true, Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 252#(and (= ~x~0 0) (not (= |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| 0))), t_funThread1of3ForFork0NotInUse, t_funThread2of3ForFork0InUse, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), 57#L691-5true, t_funThread3of3ForFork0NotInUse, 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)))]) [2021-12-16 02:58:04,579 INFO L384 tUnfolder$Statistics]: this new event has 145 ancestors and is cut-off event [2021-12-16 02:58:04,579 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-16 02:58:04,580 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-16 02:58:04,580 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-16 02:58:05,298 INFO L129 PetriNetUnfolder]: 26254/100310 cut-off events. [2021-12-16 02:58:05,298 INFO L130 PetriNetUnfolder]: For 75425/76266 co-relation queries the response was YES. [2021-12-16 02:58:06,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189345 conditions, 100310 events. 26254/100310 cut-off events. For 75425/76266 co-relation queries the response was YES. Maximal size of possible extension queue 3760. Compared 1604979 event pairs, 10153 based on Foata normal form. 523/96257 useless extension candidates. Maximal degree in co-relation 189329. Up to 17517 conditions per place. [2021-12-16 02:58:06,505 INFO L132 encePairwiseOnDemand]: 228/244 looper letters, 149 selfloop transitions, 101 changer transitions 0/420 dead transitions. [2021-12-16 02:58:06,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 420 transitions, 2111 flow [2021-12-16 02:58:06,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:58:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:58:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1676 transitions. [2021-12-16 02:58:06,509 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7632058287795993 [2021-12-16 02:58:06,509 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1676 transitions. [2021-12-16 02:58:06,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1676 transitions. [2021-12-16 02:58:06,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:58:06,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1676 transitions. [2021-12-16 02:58:06,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 186.22222222222223) internal successors, (1676), 9 states have internal predecessors, (1676), 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 02:58:06,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 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 02:58:06,516 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 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 02:58:06,516 INFO L186 Difference]: Start difference. First operand has 223 places, 241 transitions, 776 flow. Second operand 9 states and 1676 transitions. [2021-12-16 02:58:06,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 420 transitions, 2111 flow [2021-12-16 02:58:06,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 420 transitions, 2109 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:58:06,735 INFO L242 Difference]: Finished difference. Result has 236 places, 307 transitions, 1532 flow [2021-12-16 02:58:06,736 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1532, PETRI_PLACES=236, PETRI_TRANSITIONS=307} [2021-12-16 02:58:06,736 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 29 predicate places. [2021-12-16 02:58:06,737 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 307 transitions, 1532 flow [2021-12-16 02:58:06,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 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 02:58:06,737 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:58:06,737 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] [2021-12-16 02:58:06,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 02:58:06,737 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-16 02:58:06,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:58:06,738 INFO L85 PathProgramCache]: Analyzing trace with hash 731972702, now seen corresponding path program 1 times [2021-12-16 02:58:06,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:58:06,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663352513] [2021-12-16 02:58:06,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:58:06,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:58:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:58:06,787 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 02:58:06,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:58:06,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663352513] [2021-12-16 02:58:06,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663352513] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 02:58:06,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120301113] [2021-12-16 02:58:06,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:58:06,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 02:58:06,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:58:06,791 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 02:58:06,792 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 02:58:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:58:06,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 02:58:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 02:58:07,029 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 02:58:07,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 02:58:07,142 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 02:58:07,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120301113] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 02:58:07,143 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 02:58:07,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-16 02:58:07,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480751733] [2021-12-16 02:58:07,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 02:58:07,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 02:58:07,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:58:07,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 02:58:07,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-16 02:58:07,145 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 244 [2021-12-16 02:58:07,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 307 transitions, 1532 flow. Second operand has 10 states, 10 states have (on average 190.3) internal successors, (1903), 10 states have internal predecessors, (1903), 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 02:58:07,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:58:07,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 244 [2021-12-16 02:58:07,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:58:09,125 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([966] t_funEXIT-->L716-5: Formula: (= v_t_funThread3of3ForFork0_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_15| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_15|, t_funThread3of3ForFork0_thidvar0=v_t_funThread3of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_15|, t_funThread3of3ForFork0_thidvar0=v_t_funThread3of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][303], [Black: 243#(not (= |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), Black: 250#(and (not (= |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 242#(= ~x~0 0), Black: 246#(and (not (= |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (= ~x~0 0)), Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), 73#L716-5true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, Black: 237#(= |ULTIMATE.start_main_~i~0#1| 0), t_funThread3of3ForFork0NotInUse, 260#true, 244#(not (= |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| 0)), 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 68#L691-5true, Black: 248#(and (not (= |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (= ~x~0 0) (not (= |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 240#true]) [2021-12-16 02:58:09,125 INFO L384 tUnfolder$Statistics]: this new event has 145 ancestors and is not cut-off event [2021-12-16 02:58:09,125 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2021-12-16 02:58:09,125 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2021-12-16 02:58:09,125 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2021-12-16 02:58:09,458 INFO L129 PetriNetUnfolder]: 2329/18519 cut-off events. [2021-12-16 02:58:09,458 INFO L130 PetriNetUnfolder]: For 14431/15213 co-relation queries the response was YES. [2021-12-16 02:58:09,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31826 conditions, 18519 events. 2329/18519 cut-off events. For 14431/15213 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 261694 event pairs, 1198 based on Foata normal form. 6/17522 useless extension candidates. Maximal degree in co-relation 31805. Up to 2168 conditions per place. [2021-12-16 02:58:09,611 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 16 selfloop transitions, 9 changer transitions 0/317 dead transitions. [2021-12-16 02:58:09,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 317 transitions, 1604 flow [2021-12-16 02:58:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:58:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:58:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1719 transitions. [2021-12-16 02:58:09,615 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7827868852459017 [2021-12-16 02:58:09,615 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1719 transitions. [2021-12-16 02:58:09,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1719 transitions. [2021-12-16 02:58:09,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:58:09,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1719 transitions. [2021-12-16 02:58:09,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 191.0) internal successors, (1719), 9 states have internal predecessors, (1719), 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 02:58:09,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 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 02:58:09,621 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 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 02:58:09,621 INFO L186 Difference]: Start difference. First operand has 236 places, 307 transitions, 1532 flow. Second operand 9 states and 1719 transitions. [2021-12-16 02:58:09,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 317 transitions, 1604 flow [2021-12-16 02:58:09,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 317 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:58:09,650 INFO L242 Difference]: Finished difference. Result has 247 places, 313 transitions, 1582 flow [2021-12-16 02:58:09,650 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1532, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1582, PETRI_PLACES=247, PETRI_TRANSITIONS=313} [2021-12-16 02:58:09,651 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 40 predicate places. [2021-12-16 02:58:09,651 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 313 transitions, 1582 flow [2021-12-16 02:58:09,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 190.3) internal successors, (1903), 10 states have internal predecessors, (1903), 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 02:58:09,652 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:58:09,652 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] [2021-12-16 02:58:09,672 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 02:58:09,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 02:58:09,860 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-16 02:58:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:58:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash -8851865, now seen corresponding path program 1 times [2021-12-16 02:58:09,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:58:09,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588975241] [2021-12-16 02:58:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:58:09,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:58:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:58:09,872 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 02:58:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 02:58:09,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 02:58:09,902 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 02:58:09,903 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2021-12-16 02:58:09,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-16 02:58:09,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-12-16 02:58:09,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-12-16 02:58:09,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-12-16 02:58:09,903 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-16 02:58:09,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 02:58:09,904 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-16 02:58:09,904 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-16 02:58:09,904 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-16 02:58:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:58:09,950 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-16 02:58:09,961 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:58:09,962 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 02:58:09,962 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-16 02:58:09,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 293 transitions, 630 flow [2021-12-16 02:58:10,047 INFO L129 PetriNetUnfolder]: 127/734 cut-off events. [2021-12-16 02:58:10,048 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-12-16 02:58:10,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 734 events. 127/734 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3182 event pairs, 6 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 521. Up to 32 conditions per place. [2021-12-16 02:58:10,059 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 293 transitions, 630 flow [2021-12-16 02:58:10,066 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 293 transitions, 630 flow [2021-12-16 02:58:10,071 INFO L129 PetriNetUnfolder]: 10/104 cut-off events. [2021-12-16 02:58:10,071 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:58:10,071 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:58:10,071 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] [2021-12-16 02:58:10,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-12-16 02:58:10,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:58:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1549893430, now seen corresponding path program 1 times [2021-12-16 02:58:10,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:58:10,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907791683] [2021-12-16 02:58:10,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:58:10,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:58:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:58:10,099 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 02:58:10,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:58:10,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907791683] [2021-12-16 02:58:10,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907791683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:58:10,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:58:10,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:58:10,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471013266] [2021-12-16 02:58:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:58:10,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 02:58:10,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:58:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 02:58:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 02:58:10,103 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 293 [2021-12-16 02:58:10,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 293 transitions, 630 flow. Second operand has 2 states, 2 states have (on average 234.0) internal successors, (468), 2 states have internal predecessors, (468), 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 02:58:10,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:58:10,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 293 [2021-12-16 02:58:10,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:58:10,183 INFO L129 PetriNetUnfolder]: 25/623 cut-off events. [2021-12-16 02:58:10,184 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2021-12-16 02:58:10,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 715 conditions, 623 events. 25/623 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2600 event pairs, 6 based on Foata normal form. 388/977 useless extension candidates. Maximal degree in co-relation 454. Up to 37 conditions per place. [2021-12-16 02:58:10,191 INFO L132 encePairwiseOnDemand]: 246/293 looper letters, 8 selfloop transitions, 0 changer transitions 0/241 dead transitions. [2021-12-16 02:58:10,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 241 transitions, 542 flow [2021-12-16 02:58:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 02:58:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 02:58:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 521 transitions. [2021-12-16 02:58:10,193 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8890784982935154 [2021-12-16 02:58:10,193 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 521 transitions. [2021-12-16 02:58:10,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 521 transitions. [2021-12-16 02:58:10,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:58:10,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 521 transitions. [2021-12-16 02:58:10,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 260.5) internal successors, (521), 2 states have internal predecessors, (521), 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 02:58:10,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 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 02:58:10,196 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 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 02:58:10,196 INFO L186 Difference]: Start difference. First operand has 247 places, 293 transitions, 630 flow. Second operand 2 states and 521 transitions. [2021-12-16 02:58:10,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 241 transitions, 542 flow [2021-12-16 02:58:10,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 241 transitions, 542 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 02:58:10,199 INFO L242 Difference]: Finished difference. Result has 243 places, 241 transitions, 526 flow [2021-12-16 02:58:10,200 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=526, PETRI_PLACES=243, PETRI_TRANSITIONS=241} [2021-12-16 02:58:10,200 INFO L334 CegarLoopForPetriNet]: 247 programPoint places, -4 predicate places. [2021-12-16 02:58:10,200 INFO L470 AbstractCegarLoop]: Abstraction has has 243 places, 241 transitions, 526 flow [2021-12-16 02:58:10,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 234.0) internal successors, (468), 2 states have internal predecessors, (468), 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 02:58:10,201 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:58:10,201 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] [2021-12-16 02:58:10,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 02:58:10,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-12-16 02:58:10,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:58:10,202 INFO L85 PathProgramCache]: Analyzing trace with hash 293676076, now seen corresponding path program 1 times [2021-12-16 02:58:10,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:58:10,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92812820] [2021-12-16 02:58:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:58:10,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:58:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:58:10,252 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 02:58:10,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:58:10,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92812820] [2021-12-16 02:58:10,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92812820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:58:10,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:58:10,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 02:58:10,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428105706] [2021-12-16 02:58:10,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:58:10,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 02:58:10,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:58:10,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 02:58:10,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 02:58:10,256 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 293 [2021-12-16 02:58:10,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 241 transitions, 526 flow. Second operand has 5 states, 5 states have (on average 196.4) internal successors, (982), 5 states have internal predecessors, (982), 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 02:58:10,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:58:10,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 293 [2021-12-16 02:58:10,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand