./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 ae007674 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-dev-ae00767 [2021-12-28 02:57:11,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:57:11,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:57:11,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:57:11,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:57:11,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:57:11,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:57:11,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:57:11,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:57:11,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:57:11,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:57:11,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:57:11,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:57:11,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:57:11,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:57:11,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:57:11,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:57:11,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:57:11,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:57:11,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:57:11,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:57:11,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:57:11,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:57:11,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:57:12,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:57:12,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:57:12,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:57:12,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:57:12,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:57:12,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:57:12,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:57:12,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:57:12,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:57:12,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:57:12,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:57:12,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:57:12,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:57:12,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:57:12,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:57:12,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:57:12,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:57:12,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:57:12,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:57:12,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:57:12,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:57:12,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:57:12,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:57:12,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:57:12,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:57:12,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:57:12,042 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:57:12,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:57:12,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:57:12,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:57:12,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:57:12,044 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:57:12,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:57:12,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:57:12,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:57:12,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:57:12,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:57:12,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:57:12,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:57:12,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:57:12,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:57:12,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:57:12,045 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:57:12,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:57:12,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:57:12,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 [2021-12-28 02:57:12,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:57:12,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:57:12,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:57:12,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:57:12,382 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:57:12,384 INFO L432 ainManager$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 [2021-12-28 02:57:12,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c7bbfc2f/5816b91834a245ac9c5c78e6b95c8cb5/FLAG350ec46b6 [2021-12-28 02:57:12,943 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:57:12,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2021-12-28 02:57:12,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c7bbfc2f/5816b91834a245ac9c5c78e6b95c8cb5/FLAG350ec46b6 [2021-12-28 02:57:13,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c7bbfc2f/5816b91834a245ac9c5c78e6b95c8cb5 [2021-12-28 02:57:13,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:57:13,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:57:13,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:57:13,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:57:13,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:57:13,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190d774c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13, skipping insertion in model container [2021-12-28 02:57:13,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:57:13,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:57:13,733 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] [2021-12-28 02:57:13,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:57:13,780 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 02:57:13,804 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] [2021-12-28 02:57:13,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:57:13,838 INFO L208 MainTranslator]: Completed translation [2021-12-28 02:57:13,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13 WrapperNode [2021-12-28 02:57:13,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:57:13,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 02:57:13,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 02:57:13,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 02:57:13,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,896 INFO L137 Inliner]: procedures = 170, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 141 [2021-12-28 02:57:13,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 02:57:13,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 02:57:13,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 02:57:13,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 02:57:13,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 02:57:13,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 02:57:13,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 02:57:13,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 02:57:13,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (1/1) ... [2021-12-28 02:57:13,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:57:13,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:57:14,017 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) [2021-12-28 02:57:14,042 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 [2021-12-28 02:57:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-28 02:57:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 02:57:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 02:57:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 02:57:14,072 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-28 02:57:14,208 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 02:57:14,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 02:57:14,472 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 02:57:14,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 02:57:14,483 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-28 02:57:14,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:57:14 BoogieIcfgContainer [2021-12-28 02:57:14,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 02:57:14,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 02:57:14,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 02:57:14,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 02:57:14,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:57:13" (1/3) ... [2021-12-28 02:57:14,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e5bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:57:14, skipping insertion in model container [2021-12-28 02:57:14,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:57:13" (2/3) ... [2021-12-28 02:57:14,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e5bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:57:14, skipping insertion in model container [2021-12-28 02:57:14,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:57:14" (3/3) ... [2021-12-28 02:57:14,493 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_60-invariant_racefree.i [2021-12-28 02:57:14,497 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 02:57:14,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 02:57:14,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 02:57:14,498 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 02:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,546 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,547 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:14,566 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-28 02:57:14,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:57:14,624 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 [2021-12-28 02:57:14,625 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-28 02:57:14,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 146 transitions, 300 flow [2021-12-28 02:57:14,723 INFO L129 PetriNetUnfolder]: 33/204 cut-off events. [2021-12-28 02:57:14,723 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-28 02:57:14,728 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. [2021-12-28 02:57:14,728 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 146 transitions, 300 flow [2021-12-28 02:57:14,735 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 141 transitions, 287 flow [2021-12-28 02:57:14,758 INFO L129 PetriNetUnfolder]: 11/100 cut-off events. [2021-12-28 02:57:14,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:57:14,760 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:14,761 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] [2021-12-28 02:57:14,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 02:57:14,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:14,766 INFO L85 PathProgramCache]: Analyzing trace with hash 240493146, now seen corresponding path program 1 times [2021-12-28 02:57:14,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:14,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206468907] [2021-12-28 02:57:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:14,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:14,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:14,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206468907] [2021-12-28 02:57:14,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206468907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:14,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:14,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:57:14,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148922452] [2021-12-28 02:57:14,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:14,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 02:57:14,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:14,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 02:57:14,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 02:57:14,993 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 146 [2021-12-28 02:57:14,998 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) [2021-12-28 02:57:14,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:14,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 146 [2021-12-28 02:57:14,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:15,044 INFO L129 PetriNetUnfolder]: 1/165 cut-off events. [2021-12-28 02:57:15,045 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-28 02:57:15,046 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. [2021-12-28 02:57:15,048 INFO L132 encePairwiseOnDemand]: 126/146 looper letters, 1 selfloop transitions, 0 changer transitions 0/119 dead transitions. [2021-12-28 02:57:15,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 119 transitions, 245 flow [2021-12-28 02:57:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 02:57:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-28 02:57:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2021-12-28 02:57:15,063 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9075342465753424 [2021-12-28 02:57:15,064 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2021-12-28 02:57:15,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2021-12-28 02:57:15,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:15,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2021-12-28 02:57:15,074 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) [2021-12-28 02:57:15,083 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) [2021-12-28 02:57:15,083 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) [2021-12-28 02:57:15,085 INFO L186 Difference]: Start difference. First operand has 123 places, 141 transitions, 287 flow. Second operand 2 states and 265 transitions. [2021-12-28 02:57:15,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 119 transitions, 245 flow [2021-12-28 02:57:15,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:15,091 INFO L242 Difference]: Finished difference. Result has 122 places, 119 transitions, 243 flow [2021-12-28 02:57:15,105 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} [2021-12-28 02:57:15,108 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places. [2021-12-28 02:57:15,108 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 119 transitions, 243 flow [2021-12-28 02:57:15,108 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) [2021-12-28 02:57:15,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:15,109 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] [2021-12-28 02:57:15,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 02:57:15,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 02:57:15,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:15,110 INFO L85 PathProgramCache]: Analyzing trace with hash 653294572, now seen corresponding path program 1 times [2021-12-28 02:57:15,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:15,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699320256] [2021-12-28 02:57:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:15,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 02:57:15,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 02:57:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 02:57:15,177 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 02:57:15,177 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-28 02:57:15,178 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2021-12-28 02:57:15,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-12-28 02:57:15,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-12-28 02:57:15,180 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-12-28 02:57:15,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 02:57:15,184 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-28 02:57:15,186 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-28 02:57:15,186 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-28 02:57:15,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:15,261 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-28 02:57:15,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:57:15,266 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 [2021-12-28 02:57:15,266 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-28 02:57:15,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 195 transitions, 408 flow [2021-12-28 02:57:15,299 INFO L129 PetriNetUnfolder]: 57/336 cut-off events. [2021-12-28 02:57:15,299 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-28 02:57:15,303 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. [2021-12-28 02:57:15,304 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 195 transitions, 408 flow [2021-12-28 02:57:15,320 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 195 transitions, 408 flow [2021-12-28 02:57:15,326 INFO L129 PetriNetUnfolder]: 10/99 cut-off events. [2021-12-28 02:57:15,326 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:57:15,327 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:15,327 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] [2021-12-28 02:57:15,327 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 02:57:15,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:15,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1100514403, now seen corresponding path program 1 times [2021-12-28 02:57:15,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:15,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347870401] [2021-12-28 02:57:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:15,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:15,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:15,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347870401] [2021-12-28 02:57:15,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347870401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:15,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:15,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:57:15,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673995981] [2021-12-28 02:57:15,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:15,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 02:57:15,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:15,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 02:57:15,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 02:57:15,360 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 195 [2021-12-28 02:57:15,360 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) [2021-12-28 02:57:15,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:15,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 195 [2021-12-28 02:57:15,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:15,396 INFO L129 PetriNetUnfolder]: 5/279 cut-off events. [2021-12-28 02:57:15,396 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-12-28 02:57:15,398 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. [2021-12-28 02:57:15,399 INFO L132 encePairwiseOnDemand]: 166/195 looper letters, 4 selfloop transitions, 0 changer transitions 0/163 dead transitions. [2021-12-28 02:57:15,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 352 flow [2021-12-28 02:57:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 02:57:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-28 02:57:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 351 transitions. [2021-12-28 02:57:15,402 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-12-28 02:57:15,402 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 351 transitions. [2021-12-28 02:57:15,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 351 transitions. [2021-12-28 02:57:15,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:15,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 351 transitions. [2021-12-28 02:57:15,403 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) [2021-12-28 02:57:15,405 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) [2021-12-28 02:57:15,405 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) [2021-12-28 02:57:15,406 INFO L186 Difference]: Start difference. First operand has 167 places, 195 transitions, 408 flow. Second operand 2 states and 351 transitions. [2021-12-28 02:57:15,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 352 flow [2021-12-28 02:57:15,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:15,412 INFO L242 Difference]: Finished difference. Result has 165 places, 163 transitions, 344 flow [2021-12-28 02:57:15,413 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} [2021-12-28 02:57:15,413 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -2 predicate places. [2021-12-28 02:57:15,413 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 344 flow [2021-12-28 02:57:15,414 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) [2021-12-28 02:57:15,414 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:15,414 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] [2021-12-28 02:57:15,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 02:57:15,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 02:57:15,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:15,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1703677742, now seen corresponding path program 1 times [2021-12-28 02:57:15,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:15,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599147254] [2021-12-28 02:57:15,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:15,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:15,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:15,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599147254] [2021-12-28 02:57:15,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599147254] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:15,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:15,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:57:15,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381152844] [2021-12-28 02:57:15,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:15,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:57:15,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:15,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:57:15,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:57:15,502 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 195 [2021-12-28 02:57:15,503 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) [2021-12-28 02:57:15,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:15,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 195 [2021-12-28 02:57:15,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:16,215 INFO L129 PetriNetUnfolder]: 1287/6396 cut-off events. [2021-12-28 02:57:16,215 INFO L130 PetriNetUnfolder]: For 339/339 co-relation queries the response was YES. [2021-12-28 02:57:16,252 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. [2021-12-28 02:57:16,270 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 94 selfloop transitions, 26 changer transitions 3/258 dead transitions. [2021-12-28 02:57:16,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 258 transitions, 826 flow [2021-12-28 02:57:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:57:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:57:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1344 transitions. [2021-12-28 02:57:16,273 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7658119658119659 [2021-12-28 02:57:16,274 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1344 transitions. [2021-12-28 02:57:16,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1344 transitions. [2021-12-28 02:57:16,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:16,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1344 transitions. [2021-12-28 02:57:16,277 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) [2021-12-28 02:57:16,280 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) [2021-12-28 02:57:16,281 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) [2021-12-28 02:57:16,281 INFO L186 Difference]: Start difference. First operand has 165 places, 163 transitions, 344 flow. Second operand 9 states and 1344 transitions. [2021-12-28 02:57:16,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 258 transitions, 826 flow [2021-12-28 02:57:16,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 258 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:16,286 INFO L242 Difference]: Finished difference. Result has 180 places, 189 transitions, 551 flow [2021-12-28 02:57:16,286 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} [2021-12-28 02:57:16,287 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, 13 predicate places. [2021-12-28 02:57:16,287 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 189 transitions, 551 flow [2021-12-28 02:57:16,287 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) [2021-12-28 02:57:16,287 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:16,288 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] [2021-12-28 02:57:16,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 02:57:16,288 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 02:57:16,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:16,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1080746650, now seen corresponding path program 1 times [2021-12-28 02:57:16,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:16,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076722661] [2021-12-28 02:57:16,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:16,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 02:57:16,302 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 02:57:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 02:57:16,316 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 02:57:16,317 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-28 02:57:16,317 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2021-12-28 02:57:16,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-28 02:57:16,317 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-12-28 02:57:16,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2021-12-28 02:57:16,318 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-28 02:57:16,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 02:57:16,318 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-28 02:57:16,319 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-28 02:57:16,319 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-28 02:57:16,347 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,351 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,352 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,353 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,354 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,355 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,356 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,357 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,358 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,359 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,363 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,365 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,366 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,368 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,369 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,370 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,371 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,376 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,378 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,379 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,380 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:16,386 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-28 02:57:16,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:57:16,402 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 [2021-12-28 02:57:16,402 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-28 02:57:16,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 244 transitions, 518 flow [2021-12-28 02:57:16,500 INFO L129 PetriNetUnfolder]: 86/501 cut-off events. [2021-12-28 02:57:16,501 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-12-28 02:57:16,504 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. [2021-12-28 02:57:16,504 INFO L82 GeneralOperation]: Start removeDead. Operand has 207 places, 244 transitions, 518 flow [2021-12-28 02:57:16,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 244 transitions, 518 flow [2021-12-28 02:57:16,512 INFO L129 PetriNetUnfolder]: 11/101 cut-off events. [2021-12-28 02:57:16,512 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:57:16,512 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:16,512 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] [2021-12-28 02:57:16,513 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-28 02:57:16,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:16,513 INFO L85 PathProgramCache]: Analyzing trace with hash -2095703407, now seen corresponding path program 1 times [2021-12-28 02:57:16,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:16,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803793282] [2021-12-28 02:57:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:16,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:16,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:16,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803793282] [2021-12-28 02:57:16,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803793282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:16,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:16,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:57:16,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589341462] [2021-12-28 02:57:16,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:16,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 02:57:16,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:16,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 02:57:16,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 02:57:16,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 244 [2021-12-28 02:57:16,546 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) [2021-12-28 02:57:16,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:16,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 244 [2021-12-28 02:57:16,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:16,605 INFO L129 PetriNetUnfolder]: 11/419 cut-off events. [2021-12-28 02:57:16,606 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-12-28 02:57:16,610 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. [2021-12-28 02:57:16,611 INFO L132 encePairwiseOnDemand]: 206/244 looper letters, 6 selfloop transitions, 0 changer transitions 0/202 dead transitions. [2021-12-28 02:57:16,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 202 transitions, 446 flow [2021-12-28 02:57:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 02:57:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-28 02:57:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 436 transitions. [2021-12-28 02:57:16,613 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8934426229508197 [2021-12-28 02:57:16,613 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 436 transitions. [2021-12-28 02:57:16,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 436 transitions. [2021-12-28 02:57:16,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:16,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 436 transitions. [2021-12-28 02:57:16,615 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) [2021-12-28 02:57:16,615 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) [2021-12-28 02:57:16,616 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) [2021-12-28 02:57:16,616 INFO L186 Difference]: Start difference. First operand has 207 places, 244 transitions, 518 flow. Second operand 2 states and 436 transitions. [2021-12-28 02:57:16,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 202 transitions, 446 flow [2021-12-28 02:57:16,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:16,619 INFO L242 Difference]: Finished difference. Result has 204 places, 202 transitions, 434 flow [2021-12-28 02:57:16,620 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} [2021-12-28 02:57:16,620 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -3 predicate places. [2021-12-28 02:57:16,621 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 202 transitions, 434 flow [2021-12-28 02:57:16,621 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) [2021-12-28 02:57:16,621 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:16,621 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] [2021-12-28 02:57:16,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 02:57:16,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-28 02:57:16,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:16,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1306727645, now seen corresponding path program 1 times [2021-12-28 02:57:16,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:16,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228730953] [2021-12-28 02:57:16,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:16,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:16,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:16,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228730953] [2021-12-28 02:57:16,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228730953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:16,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:16,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:57:16,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809667044] [2021-12-28 02:57:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:16,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:57:16,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:57:16,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:57:16,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 244 [2021-12-28 02:57:16,684 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) [2021-12-28 02:57:16,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:16,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 244 [2021-12-28 02:57:16,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:22,805 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) 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]) [2021-12-28 02:57:22,806 INFO L384 tUnfolder$Statistics]: this new event has 144 ancestors and is cut-off event [2021-12-28 02:57:22,806 INFO L387 tUnfolder$Statistics]: existing Event has 138 ancestors and is cut-off event [2021-12-28 02:57:22,806 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-28 02:57:22,806 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-28 02:57:22,845 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][321], [t_funThread3of3ForFork0NotInUse, 73#L716-5true, 210#true, 191#L702-4true, 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse]) [2021-12-28 02:57:22,845 INFO L384 tUnfolder$Statistics]: this new event has 148 ancestors and is cut-off event [2021-12-28 02:57:22,845 INFO L387 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2021-12-28 02:57:22,846 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-28 02:57:22,846 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-28 02:57:22,875 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) 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]) [2021-12-28 02:57:22,875 INFO L384 tUnfolder$Statistics]: this new event has 149 ancestors and is cut-off event [2021-12-28 02:57:22,875 INFO L387 tUnfolder$Statistics]: existing Event has 143 ancestors and is cut-off event [2021-12-28 02:57:22,875 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-12-28 02:57:22,876 INFO L387 tUnfolder$Statistics]: existing Event has 115 ancestors and is cut-off event [2021-12-28 02:57:22,908 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][323], [t_funThread3of3ForFork0NotInUse, 73#L716-5true, 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 210#true, 98#L691-1true, t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse]) [2021-12-28 02:57:22,908 INFO L384 tUnfolder$Statistics]: this new event has 150 ancestors and is cut-off event [2021-12-28 02:57:22,909 INFO L387 tUnfolder$Statistics]: existing Event has 144 ancestors and is cut-off event [2021-12-28 02:57:22,909 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-28 02:57:22,909 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-28 02:57:22,938 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) 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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 210#true, t_funThread1of3ForFork0InUse, 68#L691-5true, t_funThread2of3ForFork0NotInUse]) [2021-12-28 02:57:22,938 INFO L384 tUnfolder$Statistics]: this new event has 151 ancestors and is cut-off event [2021-12-28 02:57:22,938 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-28 02:57:22,938 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-28 02:57:22,938 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2021-12-28 02:57:23,212 INFO L129 PetriNetUnfolder]: 18279/64896 cut-off events. [2021-12-28 02:57:23,212 INFO L130 PetriNetUnfolder]: For 5131/5131 co-relation queries the response was YES. [2021-12-28 02:57:23,674 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. [2021-12-28 02:57:23,941 INFO L132 encePairwiseOnDemand]: 225/244 looper letters, 151 selfloop transitions, 40 changer transitions 0/356 dead transitions. [2021-12-28 02:57:23,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 356 transitions, 1205 flow [2021-12-28 02:57:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:57:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:57:23,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1687 transitions. [2021-12-28 02:57:23,946 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7682149362477231 [2021-12-28 02:57:23,946 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1687 transitions. [2021-12-28 02:57:23,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1687 transitions. [2021-12-28 02:57:23,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:23,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1687 transitions. [2021-12-28 02:57:23,952 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) [2021-12-28 02:57:23,956 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) [2021-12-28 02:57:23,958 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) [2021-12-28 02:57:23,959 INFO L186 Difference]: Start difference. First operand has 204 places, 202 transitions, 434 flow. Second operand 9 states and 1687 transitions. [2021-12-28 02:57:23,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 356 transitions, 1205 flow [2021-12-28 02:57:24,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 356 transitions, 1205 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:24,075 INFO L242 Difference]: Finished difference. Result has 220 places, 240 transitions, 764 flow [2021-12-28 02:57:24,075 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} [2021-12-28 02:57:24,077 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 13 predicate places. [2021-12-28 02:57:24,077 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 240 transitions, 764 flow [2021-12-28 02:57:24,078 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) [2021-12-28 02:57:24,078 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:24,078 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] [2021-12-28 02:57:24,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 02:57:24,078 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-28 02:57:24,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:24,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1152243931, now seen corresponding path program 1 times [2021-12-28 02:57:24,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:24,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163429420] [2021-12-28 02:57:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:24,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:24,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:24,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163429420] [2021-12-28 02:57:24,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163429420] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:24,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:24,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 02:57:24,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526291416] [2021-12-28 02:57:24,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:24,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 02:57:24,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:24,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 02:57:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 02:57:24,126 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 244 [2021-12-28 02:57:24,127 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) [2021-12-28 02:57:24,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:24,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 244 [2021-12-28 02:57:24,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:25,673 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 213#true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 76#L705true]) [2021-12-28 02:57:25,673 INFO L384 tUnfolder$Statistics]: this new event has 144 ancestors and is cut-off event [2021-12-28 02:57:25,673 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-28 02:57:25,673 INFO L387 tUnfolder$Statistics]: existing Event has 138 ancestors and is cut-off event [2021-12-28 02:57:25,673 INFO L387 tUnfolder$Statistics]: existing Event has 144 ancestors and is cut-off event [2021-12-28 02:57:25,703 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) 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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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]) [2021-12-28 02:57:25,703 INFO L384 tUnfolder$Statistics]: this new event has 148 ancestors and is cut-off event [2021-12-28 02:57:25,703 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-28 02:57:25,703 INFO L387 tUnfolder$Statistics]: existing Event has 148 ancestors and is cut-off event [2021-12-28 02:57:25,703 INFO L387 tUnfolder$Statistics]: existing Event has 142 ancestors and is cut-off event [2021-12-28 02:57:25,720 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 213#true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), 215#(= ~x~0 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 160#L706-4true]) [2021-12-28 02:57:25,721 INFO L384 tUnfolder$Statistics]: this new event has 150 ancestors and is cut-off event [2021-12-28 02:57:25,721 INFO L387 tUnfolder$Statistics]: existing Event has 144 ancestors and is cut-off event [2021-12-28 02:57:25,721 INFO L387 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2021-12-28 02:57:25,721 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-28 02:57:25,741 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) 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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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))]) [2021-12-28 02:57:25,741 INFO L384 tUnfolder$Statistics]: this new event has 154 ancestors and is cut-off event [2021-12-28 02:57:25,741 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-28 02:57:25,741 INFO L387 tUnfolder$Statistics]: existing Event has 148 ancestors and is cut-off event [2021-12-28 02:57:25,741 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-28 02:57:25,750 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), 235#true, Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 73#L716-5true, Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0NotInUse, t_funThread3of3ForFork0NotInUse, 98#L691-1true, 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)))]) [2021-12-28 02:57:25,750 INFO L384 tUnfolder$Statistics]: this new event has 156 ancestors and is cut-off event [2021-12-28 02:57:25,750 INFO L387 tUnfolder$Statistics]: existing Event has 110 ancestors and is cut-off event [2021-12-28 02:57:25,750 INFO L387 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2021-12-28 02:57:25,750 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-28 02:57:25,757 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) 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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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]) [2021-12-28 02:57:25,757 INFO L384 tUnfolder$Statistics]: this new event has 157 ancestors and is cut-off event [2021-12-28 02:57:25,757 INFO L387 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2021-12-28 02:57:25,758 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2021-12-28 02:57:25,758 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2021-12-28 02:57:25,779 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([965] t_funEXIT-->L716-5: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem19#1_13| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t_funThread2of3ForFork0_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_13|, t_funThread2of3ForFork0_thidvar0=v_t_funThread2of3ForFork0_thidvar0_4} AuxVars[] AssignedVars[][226], [235#true, Black: 225#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 221#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 213#true, Black: 215#(= ~x~0 0), 73#L716-5true, Black: 219#(and (= ~x~0 0) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), Black: 216#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)), 210#true, Black: 223#(and (not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), t_funThread1of3ForFork0NotInUse, t_funThread2of3ForFork0NotInUse, 217#(not (= |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| 0)), t_funThread3of3ForFork0NotInUse]) [2021-12-28 02:57:25,779 INFO L384 tUnfolder$Statistics]: this new event has 170 ancestors and is cut-off event [2021-12-28 02:57:25,779 INFO L387 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2021-12-28 02:57:25,779 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-12-28 02:57:25,780 INFO L387 tUnfolder$Statistics]: existing Event has 124 ancestors and is cut-off event [2021-12-28 02:57:25,782 INFO L129 PetriNetUnfolder]: 1746/14025 cut-off events. [2021-12-28 02:57:25,782 INFO L130 PetriNetUnfolder]: For 6960/7695 co-relation queries the response was YES. [2021-12-28 02:57:25,850 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. [2021-12-28 02:57:25,899 INFO L132 encePairwiseOnDemand]: 241/244 looper letters, 15 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2021-12-28 02:57:25,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 244 transitions, 806 flow [2021-12-28 02:57:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 02:57:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-28 02:57:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2021-12-28 02:57:25,901 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7991803278688525 [2021-12-28 02:57:25,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 585 transitions. [2021-12-28 02:57:25,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 585 transitions. [2021-12-28 02:57:25,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:25,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 585 transitions. [2021-12-28 02:57:25,903 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) [2021-12-28 02:57:25,904 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) [2021-12-28 02:57:25,905 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) [2021-12-28 02:57:25,905 INFO L186 Difference]: Start difference. First operand has 220 places, 240 transitions, 764 flow. Second operand 3 states and 585 transitions. [2021-12-28 02:57:25,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 244 transitions, 806 flow [2021-12-28 02:57:25,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 244 transitions, 806 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:25,929 INFO L242 Difference]: Finished difference. Result has 223 places, 241 transitions, 776 flow [2021-12-28 02:57:25,929 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} [2021-12-28 02:57:25,930 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 16 predicate places. [2021-12-28 02:57:25,930 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 241 transitions, 776 flow [2021-12-28 02:57:25,930 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) [2021-12-28 02:57:25,931 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:25,931 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] [2021-12-28 02:57:25,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 02:57:25,931 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-28 02:57:25,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:25,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2125649252, now seen corresponding path program 1 times [2021-12-28 02:57:25,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:25,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177000373] [2021-12-28 02:57:25,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:25,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-28 02:57:25,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:25,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177000373] [2021-12-28 02:57:25,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177000373] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:25,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:25,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:57:25,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987493670] [2021-12-28 02:57:25,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:25,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:57:25,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:25,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:57:25,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:57:25,984 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 244 [2021-12-28 02:57:25,984 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) [2021-12-28 02:57:25,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:25,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 244 [2021-12-28 02:57:25,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:36,364 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 (+ (- 4294967296) .cse0)))) 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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0)))]) [2021-12-28 02:57:36,365 INFO L384 tUnfolder$Statistics]: this new event has 145 ancestors and is cut-off event [2021-12-28 02:57:36,365 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-12-28 02:57:36,365 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-28 02:57:36,365 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-12-28 02:57:36,904 INFO L129 PetriNetUnfolder]: 26254/100310 cut-off events. [2021-12-28 02:57:36,904 INFO L130 PetriNetUnfolder]: For 75425/76266 co-relation queries the response was YES. [2021-12-28 02:57:37,966 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. [2021-12-28 02:57:38,417 INFO L132 encePairwiseOnDemand]: 228/244 looper letters, 149 selfloop transitions, 101 changer transitions 0/420 dead transitions. [2021-12-28 02:57:38,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 420 transitions, 2111 flow [2021-12-28 02:57:38,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:57:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:57:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1676 transitions. [2021-12-28 02:57:38,422 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7632058287795993 [2021-12-28 02:57:38,423 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1676 transitions. [2021-12-28 02:57:38,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1676 transitions. [2021-12-28 02:57:38,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:38,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1676 transitions. [2021-12-28 02:57:38,428 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) [2021-12-28 02:57:38,431 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) [2021-12-28 02:57:38,432 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) [2021-12-28 02:57:38,432 INFO L186 Difference]: Start difference. First operand has 223 places, 241 transitions, 776 flow. Second operand 9 states and 1676 transitions. [2021-12-28 02:57:38,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 420 transitions, 2111 flow [2021-12-28 02:57:38,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 420 transitions, 2109 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-28 02:57:38,749 INFO L242 Difference]: Finished difference. Result has 236 places, 307 transitions, 1532 flow [2021-12-28 02:57:38,750 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} [2021-12-28 02:57:38,751 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 29 predicate places. [2021-12-28 02:57:38,751 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 307 transitions, 1532 flow [2021-12-28 02:57:38,751 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) [2021-12-28 02:57:38,752 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:38,752 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] [2021-12-28 02:57:38,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 02:57:38,752 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-28 02:57:38,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:38,753 INFO L85 PathProgramCache]: Analyzing trace with hash 731972702, now seen corresponding path program 1 times [2021-12-28 02:57:38,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:38,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421851082] [2021-12-28 02:57:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:38,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:38,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:38,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:38,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421851082] [2021-12-28 02:57:38,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421851082] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 02:57:38,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097048090] [2021-12-28 02:57:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:38,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 02:57:38,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:57:38,816 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) [2021-12-28 02:57:38,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 02:57:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:38,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 02:57:38,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 02:57:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:39,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 02:57:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:39,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097048090] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 02:57:39,196 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 02:57:39,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-28 02:57:39,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833772395] [2021-12-28 02:57:39,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 02:57:39,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-28 02:57:39,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:39,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-28 02:57:39,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-28 02:57:39,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 244 [2021-12-28 02:57:39,200 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) [2021-12-28 02:57:39,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:39,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 244 [2021-12-28 02:57:39,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:41,363 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 (= ~x~0 0) (not (= |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| 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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~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_~cond#1| 0)) (not (= |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| 0))), 68#L691-5true, Black: 248#(and (= ~x~0 0) (not (= |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| 0)) (not (= |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| 0))), Black: 240#true]) [2021-12-28 02:57:41,364 INFO L384 tUnfolder$Statistics]: this new event has 145 ancestors and is not cut-off event [2021-12-28 02:57:41,364 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2021-12-28 02:57:41,364 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2021-12-28 02:57:41,364 INFO L387 tUnfolder$Statistics]: existing Event has 151 ancestors and is not cut-off event [2021-12-28 02:57:41,592 INFO L129 PetriNetUnfolder]: 2329/18519 cut-off events. [2021-12-28 02:57:41,592 INFO L130 PetriNetUnfolder]: For 14431/15213 co-relation queries the response was YES. [2021-12-28 02:57:41,789 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. [2021-12-28 02:57:41,861 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 16 selfloop transitions, 9 changer transitions 0/317 dead transitions. [2021-12-28 02:57:41,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 317 transitions, 1604 flow [2021-12-28 02:57:41,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:57:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:57:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1719 transitions. [2021-12-28 02:57:41,865 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7827868852459017 [2021-12-28 02:57:41,866 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1719 transitions. [2021-12-28 02:57:41,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1719 transitions. [2021-12-28 02:57:41,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:41,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1719 transitions. [2021-12-28 02:57:41,869 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) [2021-12-28 02:57:41,873 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) [2021-12-28 02:57:41,874 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) [2021-12-28 02:57:41,874 INFO L186 Difference]: Start difference. First operand has 236 places, 307 transitions, 1532 flow. Second operand 9 states and 1719 transitions. [2021-12-28 02:57:41,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 317 transitions, 1604 flow [2021-12-28 02:57:41,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 317 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:41,909 INFO L242 Difference]: Finished difference. Result has 247 places, 313 transitions, 1582 flow [2021-12-28 02:57:41,909 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} [2021-12-28 02:57:41,911 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 40 predicate places. [2021-12-28 02:57:41,911 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 313 transitions, 1582 flow [2021-12-28 02:57:41,912 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) [2021-12-28 02:57:41,912 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:41,912 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] [2021-12-28 02:57:41,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 02:57:42,130 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 [2021-12-28 02:57:42,131 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-12-28 02:57:42,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:42,131 INFO L85 PathProgramCache]: Analyzing trace with hash -8851865, now seen corresponding path program 1 times [2021-12-28 02:57:42,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:42,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630688685] [2021-12-28 02:57:42,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:42,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 02:57:42,148 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 02:57:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 02:57:42,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 02:57:42,164 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-28 02:57:42,165 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2021-12-28 02:57:42,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-12-28 02:57:42,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2021-12-28 02:57:42,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-12-28 02:57:42,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-12-28 02:57:42,165 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-12-28 02:57:42,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-28 02:57:42,166 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-28 02:57:42,166 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-28 02:57:42,166 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:57:42,225 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-28 02:57:42,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:57:42,227 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 [2021-12-28 02:57:42,227 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-28 02:57:42,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 293 transitions, 630 flow [2021-12-28 02:57:42,332 INFO L129 PetriNetUnfolder]: 127/734 cut-off events. [2021-12-28 02:57:42,333 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-12-28 02:57:42,346 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. [2021-12-28 02:57:42,347 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 293 transitions, 630 flow [2021-12-28 02:57:42,356 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 293 transitions, 630 flow [2021-12-28 02:57:42,363 INFO L129 PetriNetUnfolder]: 10/104 cut-off events. [2021-12-28 02:57:42,363 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:57:42,363 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:42,363 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] [2021-12-28 02:57:42,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-12-28 02:57:42,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:42,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1549893430, now seen corresponding path program 1 times [2021-12-28 02:57:42,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:42,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617442765] [2021-12-28 02:57:42,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:42,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:42,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:42,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617442765] [2021-12-28 02:57:42,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617442765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:42,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:42,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:57:42,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592064644] [2021-12-28 02:57:42,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:42,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 02:57:42,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:42,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 02:57:42,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 02:57:42,410 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 293 [2021-12-28 02:57:42,411 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) [2021-12-28 02:57:42,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:42,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 293 [2021-12-28 02:57:42,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:57:42,644 INFO L129 PetriNetUnfolder]: 25/623 cut-off events. [2021-12-28 02:57:42,645 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2021-12-28 02:57:42,651 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. [2021-12-28 02:57:42,652 INFO L132 encePairwiseOnDemand]: 246/293 looper letters, 8 selfloop transitions, 0 changer transitions 0/241 dead transitions. [2021-12-28 02:57:42,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 241 transitions, 542 flow [2021-12-28 02:57:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 02:57:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-28 02:57:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 521 transitions. [2021-12-28 02:57:42,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8890784982935154 [2021-12-28 02:57:42,654 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 521 transitions. [2021-12-28 02:57:42,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 521 transitions. [2021-12-28 02:57:42,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:57:42,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 521 transitions. [2021-12-28 02:57:42,656 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) [2021-12-28 02:57:42,657 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) [2021-12-28 02:57:42,658 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) [2021-12-28 02:57:42,659 INFO L186 Difference]: Start difference. First operand has 247 places, 293 transitions, 630 flow. Second operand 2 states and 521 transitions. [2021-12-28 02:57:42,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 241 transitions, 542 flow [2021-12-28 02:57:42,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 241 transitions, 542 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 02:57:42,663 INFO L242 Difference]: Finished difference. Result has 243 places, 241 transitions, 526 flow [2021-12-28 02:57:42,663 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} [2021-12-28 02:57:42,665 INFO L334 CegarLoopForPetriNet]: 247 programPoint places, -4 predicate places. [2021-12-28 02:57:42,665 INFO L470 AbstractCegarLoop]: Abstraction has has 243 places, 241 transitions, 526 flow [2021-12-28 02:57:42,666 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) [2021-12-28 02:57:42,666 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:57:42,666 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] [2021-12-28 02:57:42,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 02:57:42,666 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-12-28 02:57:42,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:57:42,667 INFO L85 PathProgramCache]: Analyzing trace with hash 293676076, now seen corresponding path program 1 times [2021-12-28 02:57:42,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:57:42,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263750823] [2021-12-28 02:57:42,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:57:42,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:57:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:57:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:57:42,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:57:42,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263750823] [2021-12-28 02:57:42,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263750823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:57:42,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:57:42,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 02:57:42,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469822861] [2021-12-28 02:57:42,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:57:42,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 02:57:42,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:57:42,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 02:57:42,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 02:57:42,728 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 293 [2021-12-28 02:57:42,728 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) [2021-12-28 02:57:42,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:57:42,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 293 [2021-12-28 02:57:42,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand