./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_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 af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:30:03,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:30:03,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:30:03,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:30:03,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:30:03,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:30:03,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:30:03,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:30:03,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:30:03,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:30:03,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:30:03,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:30:03,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:30:03,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:30:03,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:30:03,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:30:03,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:30:03,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:30:03,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:30:03,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:30:03,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:30:03,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:30:03,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:30:03,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:30:03,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:30:03,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:30:03,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:30:03,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:30:03,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:30:03,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:30:03,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:30:03,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:30:03,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:30:03,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:30:03,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:30:03,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:30:03,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:30:03,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:30:03,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:30:03,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:30:03,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:30:03,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:30:03,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:30:03,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:30:03,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:30:03,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:30:03,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:30:03,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:30:03,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:30:03,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:30:03,434 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:30:03,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:30:03,435 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:30:03,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:30:03,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:30:03,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:30:03,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:30:03,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:30:03,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:30:03,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:30:03,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:30:03,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:30:03,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:30:03,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:30:03,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:30:03,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:30:03,437 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:30:03,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:30:03,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:30:03,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:30:03,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 [2021-12-17 22:30:03,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:30:03,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:30:03,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:30:03,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:30:03,794 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:30:03,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i [2021-12-17 22:30:03,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83bc1de5/ad0771f9c4e2416e89234dee32f8148a/FLAG84d00b1c1 [2021-12-17 22:30:04,289 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:30:04,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i [2021-12-17 22:30:04,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83bc1de5/ad0771f9c4e2416e89234dee32f8148a/FLAG84d00b1c1 [2021-12-17 22:30:04,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83bc1de5/ad0771f9c4e2416e89234dee32f8148a [2021-12-17 22:30:04,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:30:04,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:30:04,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:30:04,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:30:04,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:30:04,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:30:04" (1/1) ... [2021-12-17 22:30:04,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c364f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:04, skipping insertion in model container [2021-12-17 22:30:04,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:30:04" (1/1) ... [2021-12-17 22:30:04,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:30:04,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:30:04,979 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_41-trylock_racefree.i[30176,30189] [2021-12-17 22:30:04,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:30:05,003 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:30:05,032 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_41-trylock_racefree.i[30176,30189] [2021-12-17 22:30:05,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:30:05,081 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:30:05,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05 WrapperNode [2021-12-17 22:30:05,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:30:05,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:30:05,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:30:05,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:30:05,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,137 INFO L137 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2021-12-17 22:30:05,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:30:05,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:30:05,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:30:05,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:30:05,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:30:05,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:30:05,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:30:05,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:30:05,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (1/1) ... [2021-12-17 22:30:05,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:30:05,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:05,196 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) [2021-12-17 22:30:05,201 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 [2021-12-17 22:30:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 22:30:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:30:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-17 22:30:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:30:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:30:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-17 22:30:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-17 22:30:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:30:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2021-12-17 22:30:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:30:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:30:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:30:05,222 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:30:05,294 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:30:05,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:30:05,509 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:30:05,515 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:30:05,515 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-17 22:30:05,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:30:05 BoogieIcfgContainer [2021-12-17 22:30:05,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:30:05,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:30:05,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:30:05,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:30:05,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:30:04" (1/3) ... [2021-12-17 22:30:05,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0d2183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:30:05, skipping insertion in model container [2021-12-17 22:30:05,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:30:05" (2/3) ... [2021-12-17 22:30:05,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0d2183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:30:05, skipping insertion in model container [2021-12-17 22:30:05,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:30:05" (3/3) ... [2021-12-17 22:30:05,524 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2021-12-17 22:30:05,528 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:30:05,529 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:30:05,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 22:30:05,529 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:30:05,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,550 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,550 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,551 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,552 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:05,573 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-17 22:30:05,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:30:05,630 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 [2021-12-17 22:30:05,630 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-17 22:30:05,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 109 transitions, 226 flow [2021-12-17 22:30:05,708 INFO L129 PetriNetUnfolder]: 21/149 cut-off events. [2021-12-17 22:30:05,708 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-17 22:30:05,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 149 events. 21/149 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 369 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 73. Up to 6 conditions per place. [2021-12-17 22:30:05,712 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 109 transitions, 226 flow [2021-12-17 22:30:05,716 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 104 transitions, 213 flow [2021-12-17 22:30:05,742 INFO L129 PetriNetUnfolder]: 5/73 cut-off events. [2021-12-17 22:30:05,742 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:05,743 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:05,744 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] [2021-12-17 22:30:05,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:05,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1902334783, now seen corresponding path program 1 times [2021-12-17 22:30:05,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:05,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312133890] [2021-12-17 22:30:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:05,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:05,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:05,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312133890] [2021-12-17 22:30:05,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312133890] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:05,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:05,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:30:05,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110179467] [2021-12-17 22:30:05,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:05,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 22:30:05,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:05,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 22:30:05,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 22:30:05,974 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 109 [2021-12-17 22:30:05,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 104 transitions, 213 flow. Second operand has 2 states, 2 states have (on average 95.0) internal successors, (190), 2 states have internal predecessors, (190), 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) [2021-12-17 22:30:05,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:05,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 109 [2021-12-17 22:30:05,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:06,020 INFO L129 PetriNetUnfolder]: 2/124 cut-off events. [2021-12-17 22:30:06,020 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-17 22:30:06,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 124 events. 2/124 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 209 event pairs, 0 based on Foata normal form. 18/134 useless extension candidates. Maximal degree in co-relation 62. Up to 4 conditions per place. [2021-12-17 22:30:06,022 INFO L132 encePairwiseOnDemand]: 97/109 looper letters, 1 selfloop transitions, 0 changer transitions 15/91 dead transitions. [2021-12-17 22:30:06,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 91 transitions, 189 flow [2021-12-17 22:30:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 22:30:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-17 22:30:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 201 transitions. [2021-12-17 22:30:06,036 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9220183486238532 [2021-12-17 22:30:06,037 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 201 transitions. [2021-12-17 22:30:06,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 201 transitions. [2021-12-17 22:30:06,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:06,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 201 transitions. [2021-12-17 22:30:06,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 100.5) internal successors, (201), 2 states have internal predecessors, (201), 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) [2021-12-17 22:30:06,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:30:06,052 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:30:06,053 INFO L186 Difference]: Start difference. First operand has 94 places, 104 transitions, 213 flow. Second operand 2 states and 201 transitions. [2021-12-17 22:30:06,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 91 transitions, 189 flow [2021-12-17 22:30:06,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 189 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:06,061 INFO L242 Difference]: Finished difference. Result has 94 places, 76 transitions, 157 flow [2021-12-17 22:30:06,062 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=157, PETRI_PLACES=94, PETRI_TRANSITIONS=76} [2021-12-17 22:30:06,065 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, 0 predicate places. [2021-12-17 22:30:06,065 INFO L470 AbstractCegarLoop]: Abstraction has has 94 places, 76 transitions, 157 flow [2021-12-17 22:30:06,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.0) internal successors, (190), 2 states have internal predecessors, (190), 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) [2021-12-17 22:30:06,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:06,066 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] [2021-12-17 22:30:06,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:30:06,066 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 525085933, now seen corresponding path program 1 times [2021-12-17 22:30:06,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:06,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687067355] [2021-12-17 22:30:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:06,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:06,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:06,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687067355] [2021-12-17 22:30:06,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687067355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:06,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:06,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:30:06,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753749812] [2021-12-17 22:30:06,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:06,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:30:06,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:06,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:30:06,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:30:06,161 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 109 [2021-12-17 22:30:06,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 76 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2021-12-17 22:30:06,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:06,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 109 [2021-12-17 22:30:06,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:06,186 INFO L129 PetriNetUnfolder]: 1/80 cut-off events. [2021-12-17 22:30:06,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:06,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 80 events. 1/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 93. Up to 6 conditions per place. [2021-12-17 22:30:06,190 INFO L132 encePairwiseOnDemand]: 106/109 looper letters, 8 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2021-12-17 22:30:06,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 78 transitions, 181 flow [2021-12-17 22:30:06,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:30:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:30:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2021-12-17 22:30:06,194 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8318042813455657 [2021-12-17 22:30:06,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2021-12-17 22:30:06,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2021-12-17 22:30:06,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:06,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2021-12-17 22:30:06,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2021-12-17 22:30:06,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 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) [2021-12-17 22:30:06,199 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 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) [2021-12-17 22:30:06,200 INFO L186 Difference]: Start difference. First operand has 94 places, 76 transitions, 157 flow. Second operand 3 states and 272 transitions. [2021-12-17 22:30:06,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 78 transitions, 181 flow [2021-12-17 22:30:06,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 181 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:06,202 INFO L242 Difference]: Finished difference. Result has 82 places, 76 transitions, 165 flow [2021-12-17 22:30:06,203 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=82, PETRI_TRANSITIONS=76} [2021-12-17 22:30:06,204 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, -12 predicate places. [2021-12-17 22:30:06,204 INFO L470 AbstractCegarLoop]: Abstraction has has 82 places, 76 transitions, 165 flow [2021-12-17 22:30:06,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2021-12-17 22:30:06,204 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:06,205 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] [2021-12-17 22:30:06,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:30:06,205 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:06,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash 43909355, now seen corresponding path program 1 times [2021-12-17 22:30:06,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:06,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981583667] [2021-12-17 22:30:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:06,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:06,244 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:30:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:06,293 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:30:06,293 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:30:06,294 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-17 22:30:06,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-17 22:30:06,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:30:06,298 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-17 22:30:06,299 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-17 22:30:06,299 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-17 22:30:06,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,312 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,312 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,313 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,313 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,322 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,329 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:06,333 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-17 22:30:06,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:30:06,344 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 [2021-12-17 22:30:06,344 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-17 22:30:06,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 139 transitions, 296 flow [2021-12-17 22:30:06,371 INFO L129 PetriNetUnfolder]: 37/244 cut-off events. [2021-12-17 22:30:06,372 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-17 22:30:06,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 244 events. 37/244 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 721 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 151. Up to 9 conditions per place. [2021-12-17 22:30:06,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 139 transitions, 296 flow [2021-12-17 22:30:06,383 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 139 transitions, 296 flow [2021-12-17 22:30:06,391 INFO L129 PetriNetUnfolder]: 5/76 cut-off events. [2021-12-17 22:30:06,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:06,391 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:06,391 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] [2021-12-17 22:30:06,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:06,392 INFO L85 PathProgramCache]: Analyzing trace with hash -201943638, now seen corresponding path program 1 times [2021-12-17 22:30:06,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:06,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239534961] [2021-12-17 22:30:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:06,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:06,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:06,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239534961] [2021-12-17 22:30:06,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239534961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:06,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:06,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:30:06,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510872249] [2021-12-17 22:30:06,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:06,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 22:30:06,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:06,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 22:30:06,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 22:30:06,441 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 139 [2021-12-17 22:30:06,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 139 transitions, 296 flow. Second operand has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2021-12-17 22:30:06,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:06,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 139 [2021-12-17 22:30:06,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:06,476 INFO L129 PetriNetUnfolder]: 6/210 cut-off events. [2021-12-17 22:30:06,476 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-12-17 22:30:06,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 210 events. 6/210 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 543 event pairs, 0 based on Foata normal form. 45/242 useless extension candidates. Maximal degree in co-relation 133. Up to 7 conditions per place. [2021-12-17 22:30:06,477 INFO L132 encePairwiseOnDemand]: 121/139 looper letters, 2 selfloop transitions, 0 changer transitions 21/120 dead transitions. [2021-12-17 22:30:06,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 120 transitions, 266 flow [2021-12-17 22:30:06,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 22:30:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-17 22:30:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 254 transitions. [2021-12-17 22:30:06,479 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9136690647482014 [2021-12-17 22:30:06,479 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 254 transitions. [2021-12-17 22:30:06,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 254 transitions. [2021-12-17 22:30:06,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:06,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 254 transitions. [2021-12-17 22:30:06,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 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) [2021-12-17 22:30:06,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 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) [2021-12-17 22:30:06,482 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 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) [2021-12-17 22:30:06,482 INFO L186 Difference]: Start difference. First operand has 123 places, 139 transitions, 296 flow. Second operand 2 states and 254 transitions. [2021-12-17 22:30:06,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 120 transitions, 266 flow [2021-12-17 22:30:06,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 120 transitions, 266 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:06,486 INFO L242 Difference]: Finished difference. Result has 123 places, 99 transitions, 210 flow [2021-12-17 22:30:06,486 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=210, PETRI_PLACES=123, PETRI_TRANSITIONS=99} [2021-12-17 22:30:06,488 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 0 predicate places. [2021-12-17 22:30:06,488 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 99 transitions, 210 flow [2021-12-17 22:30:06,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2021-12-17 22:30:06,489 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:06,489 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] [2021-12-17 22:30:06,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:30:06,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:06,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1243124216, now seen corresponding path program 1 times [2021-12-17 22:30:06,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:06,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486863285] [2021-12-17 22:30:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:06,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:06,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:06,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486863285] [2021-12-17 22:30:06,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486863285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:06,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:06,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:30:06,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707176182] [2021-12-17 22:30:06,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:06,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:30:06,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:06,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:30:06,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:30:06,535 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 139 [2021-12-17 22:30:06,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 99 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2021-12-17 22:30:06,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:06,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 139 [2021-12-17 22:30:06,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:06,556 INFO L129 PetriNetUnfolder]: 2/126 cut-off events. [2021-12-17 22:30:06,557 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-17 22:30:06,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 126 events. 2/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 208 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 149. Up to 12 conditions per place. [2021-12-17 22:30:06,557 INFO L132 encePairwiseOnDemand]: 136/139 looper letters, 11 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2021-12-17 22:30:06,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 103 transitions, 244 flow [2021-12-17 22:30:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:30:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:30:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2021-12-17 22:30:06,559 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8177458033573142 [2021-12-17 22:30:06,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2021-12-17 22:30:06,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2021-12-17 22:30:06,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:06,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2021-12-17 22:30:06,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2021-12-17 22:30:06,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 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) [2021-12-17 22:30:06,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 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) [2021-12-17 22:30:06,561 INFO L186 Difference]: Start difference. First operand has 123 places, 99 transitions, 210 flow. Second operand 3 states and 341 transitions. [2021-12-17 22:30:06,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 103 transitions, 244 flow [2021-12-17 22:30:06,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 103 transitions, 242 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:06,563 INFO L242 Difference]: Finished difference. Result has 107 places, 100 transitions, 220 flow [2021-12-17 22:30:06,563 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=107, PETRI_TRANSITIONS=100} [2021-12-17 22:30:06,564 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -16 predicate places. [2021-12-17 22:30:06,564 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 100 transitions, 220 flow [2021-12-17 22:30:06,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2021-12-17 22:30:06,565 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:06,565 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] [2021-12-17 22:30:06,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:30:06,565 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:06,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1351761021, now seen corresponding path program 1 times [2021-12-17 22:30:06,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:06,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657604288] [2021-12-17 22:30:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:06,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:06,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:06,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657604288] [2021-12-17 22:30:06,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657604288] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:30:06,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125551933] [2021-12-17 22:30:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:06,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:06,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:06,603 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) [2021-12-17 22:30:06,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 22:30:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:06,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 22:30:06,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:30:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:06,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:30:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:06,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125551933] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:30:06,891 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:30:06,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-17 22:30:06,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136901618] [2021-12-17 22:30:06,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:30:06,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:30:06,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:06,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:30:06,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:30:06,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 139 [2021-12-17 22:30:06,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 100 transitions, 220 flow. Second operand has 10 states, 10 states have (on average 110.3) internal successors, (1103), 10 states have internal predecessors, (1103), 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) [2021-12-17 22:30:06,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:06,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 139 [2021-12-17 22:30:06,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:06,960 INFO L129 PetriNetUnfolder]: 0/98 cut-off events. [2021-12-17 22:30:06,960 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-17 22:30:06,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 98 events. 0/98 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 2/100 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-12-17 22:30:06,961 INFO L132 encePairwiseOnDemand]: 134/139 looper letters, 9 selfloop transitions, 7 changer transitions 0/92 dead transitions. [2021-12-17 22:30:06,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 92 transitions, 234 flow [2021-12-17 22:30:06,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:30:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:30:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 990 transitions. [2021-12-17 22:30:06,963 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7913669064748201 [2021-12-17 22:30:06,964 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 990 transitions. [2021-12-17 22:30:06,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 990 transitions. [2021-12-17 22:30:06,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:06,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 990 transitions. [2021-12-17 22:30:06,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 110.0) internal successors, (990), 9 states have internal predecessors, (990), 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) [2021-12-17 22:30:06,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 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) [2021-12-17 22:30:06,968 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 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) [2021-12-17 22:30:06,969 INFO L186 Difference]: Start difference. First operand has 107 places, 100 transitions, 220 flow. Second operand 9 states and 990 transitions. [2021-12-17 22:30:06,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 92 transitions, 234 flow [2021-12-17 22:30:06,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 92 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:06,971 INFO L242 Difference]: Finished difference. Result has 101 places, 88 transitions, 206 flow [2021-12-17 22:30:06,971 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=206, PETRI_PLACES=101, PETRI_TRANSITIONS=88} [2021-12-17 22:30:06,971 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -22 predicate places. [2021-12-17 22:30:06,972 INFO L470 AbstractCegarLoop]: Abstraction has has 101 places, 88 transitions, 206 flow [2021-12-17 22:30:06,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 110.3) internal successors, (1103), 10 states have internal predecessors, (1103), 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) [2021-12-17 22:30:06,972 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:06,973 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] [2021-12-17 22:30:06,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 22:30:07,193 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,SelfDestructingSolverStorable5 [2021-12-17 22:30:07,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:07,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:07,194 INFO L85 PathProgramCache]: Analyzing trace with hash -392863105, now seen corresponding path program 1 times [2021-12-17 22:30:07,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:07,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386209172] [2021-12-17 22:30:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:07,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:07,207 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:30:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:07,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:30:07,222 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:30:07,222 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-17 22:30:07,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-17 22:30:07,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 22:30:07,223 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-17 22:30:07,223 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-17 22:30:07,223 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-17 22:30:07,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,230 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,234 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,239 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,240 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,241 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,242 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,243 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,244 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,245 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,246 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,246 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,247 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,247 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,248 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,249 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,249 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,250 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,250 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,250 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,251 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-17 22:30:07,252 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:30:07,253 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 [2021-12-17 22:30:07,253 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-17 22:30:07,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 169 transitions, 368 flow [2021-12-17 22:30:07,280 INFO L129 PetriNetUnfolder]: 58/372 cut-off events. [2021-12-17 22:30:07,280 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-12-17 22:30:07,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 372 events. 58/372 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1235 event pairs, 1 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 252. Up to 16 conditions per place. [2021-12-17 22:30:07,282 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 169 transitions, 368 flow [2021-12-17 22:30:07,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 169 transitions, 368 flow [2021-12-17 22:30:07,289 INFO L129 PetriNetUnfolder]: 5/75 cut-off events. [2021-12-17 22:30:07,289 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:07,289 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:07,289 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] [2021-12-17 22:30:07,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:07,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1041155566, now seen corresponding path program 1 times [2021-12-17 22:30:07,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:07,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867529005] [2021-12-17 22:30:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:07,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:07,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:07,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867529005] [2021-12-17 22:30:07,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867529005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:07,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:07,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:30:07,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699951292] [2021-12-17 22:30:07,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:07,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:30:07,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:07,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:30:07,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:30:07,309 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 169 [2021-12-17 22:30:07,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 169 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2021-12-17 22:30:07,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:07,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 169 [2021-12-17 22:30:07,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:07,355 INFO L129 PetriNetUnfolder]: 10/302 cut-off events. [2021-12-17 22:30:07,355 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-12-17 22:30:07,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 302 events. 10/302 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 916 event pairs, 1 based on Foata normal form. 203/488 useless extension candidates. Maximal degree in co-relation 221. Up to 30 conditions per place. [2021-12-17 22:30:07,357 INFO L132 encePairwiseOnDemand]: 142/169 looper letters, 12 selfloop transitions, 2 changer transitions 22/148 dead transitions. [2021-12-17 22:30:07,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 148 transitions, 360 flow [2021-12-17 22:30:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:30:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:30:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2021-12-17 22:30:07,359 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2021-12-17 22:30:07,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2021-12-17 22:30:07,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2021-12-17 22:30:07,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:07,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2021-12-17 22:30:07,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2021-12-17 22:30:07,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 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) [2021-12-17 22:30:07,361 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 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) [2021-12-17 22:30:07,361 INFO L186 Difference]: Start difference. First operand has 148 places, 169 transitions, 368 flow. Second operand 3 states and 442 transitions. [2021-12-17 22:30:07,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 148 transitions, 360 flow [2021-12-17 22:30:07,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 148 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:07,364 INFO L242 Difference]: Finished difference. Result has 150 places, 123 transitions, 277 flow [2021-12-17 22:30:07,364 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=150, PETRI_TRANSITIONS=123} [2021-12-17 22:30:07,364 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2021-12-17 22:30:07,365 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 123 transitions, 277 flow [2021-12-17 22:30:07,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2021-12-17 22:30:07,365 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:07,365 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] [2021-12-17 22:30:07,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 22:30:07,365 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash -185774998, now seen corresponding path program 1 times [2021-12-17 22:30:07,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:07,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094079907] [2021-12-17 22:30:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:07,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:07,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:07,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094079907] [2021-12-17 22:30:07,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094079907] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:30:07,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923433690] [2021-12-17 22:30:07,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:07,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:07,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:07,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:30:07,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 22:30:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:07,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 22:30:07,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:30:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:07,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:30:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:07,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923433690] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:30:07,599 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:30:07,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-17 22:30:07,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940065134] [2021-12-17 22:30:07,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:30:07,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:30:07,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:07,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:30:07,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:30:07,603 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 169 [2021-12-17 22:30:07,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 123 transitions, 277 flow. Second operand has 10 states, 10 states have (on average 132.3) internal successors, (1323), 10 states have internal predecessors, (1323), 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) [2021-12-17 22:30:07,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:07,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 169 [2021-12-17 22:30:07,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:07,696 INFO L129 PetriNetUnfolder]: 1/144 cut-off events. [2021-12-17 22:30:07,696 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-12-17 22:30:07,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 144 events. 1/144 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 212 event pairs, 0 based on Foata normal form. 2/145 useless extension candidates. Maximal degree in co-relation 135. Up to 7 conditions per place. [2021-12-17 22:30:07,697 INFO L132 encePairwiseOnDemand]: 163/169 looper letters, 13 selfloop transitions, 9 changer transitions 0/133 dead transitions. [2021-12-17 22:30:07,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 343 flow [2021-12-17 22:30:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:30:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:30:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1194 transitions. [2021-12-17 22:30:07,713 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7850098619329389 [2021-12-17 22:30:07,713 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1194 transitions. [2021-12-17 22:30:07,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1194 transitions. [2021-12-17 22:30:07,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:07,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1194 transitions. [2021-12-17 22:30:07,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 132.66666666666666) internal successors, (1194), 9 states have internal predecessors, (1194), 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) [2021-12-17 22:30:07,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 169.0) internal successors, (1690), 10 states have internal predecessors, (1690), 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) [2021-12-17 22:30:07,718 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 169.0) internal successors, (1690), 10 states have internal predecessors, (1690), 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) [2021-12-17 22:30:07,718 INFO L186 Difference]: Start difference. First operand has 150 places, 123 transitions, 277 flow. Second operand 9 states and 1194 transitions. [2021-12-17 22:30:07,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 343 flow [2021-12-17 22:30:07,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 133 transitions, 335 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:07,721 INFO L242 Difference]: Finished difference. Result has 141 places, 129 transitions, 319 flow [2021-12-17 22:30:07,721 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=319, PETRI_PLACES=141, PETRI_TRANSITIONS=129} [2021-12-17 22:30:07,722 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, -7 predicate places. [2021-12-17 22:30:07,722 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 129 transitions, 319 flow [2021-12-17 22:30:07,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 132.3) internal successors, (1323), 10 states have internal predecessors, (1323), 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) [2021-12-17 22:30:07,722 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:07,722 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] [2021-12-17 22:30:07,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-17 22:30:07,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-17 22:30:07,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:07,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:07,940 INFO L85 PathProgramCache]: Analyzing trace with hash 499831500, now seen corresponding path program 1 times [2021-12-17 22:30:07,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:07,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974992575] [2021-12-17 22:30:07,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:07,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:07,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:30:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:07,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:30:07,979 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:30:07,979 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-17 22:30:07,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-17 22:30:07,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 22:30:07,979 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-17 22:30:07,980 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-17 22:30:07,980 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,993 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,993 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:07,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,000 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:08,004 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-17 22:30:08,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:30:08,005 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 [2021-12-17 22:30:08,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-17 22:30:08,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 199 transitions, 442 flow [2021-12-17 22:30:08,051 INFO L129 PetriNetUnfolder]: 91/568 cut-off events. [2021-12-17 22:30:08,051 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-12-17 22:30:08,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 568 events. 91/568 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2170 event pairs, 6 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 392. Up to 32 conditions per place. [2021-12-17 22:30:08,056 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 199 transitions, 442 flow [2021-12-17 22:30:08,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 199 transitions, 442 flow [2021-12-17 22:30:08,063 INFO L129 PetriNetUnfolder]: 5/72 cut-off events. [2021-12-17 22:30:08,063 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:08,063 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:08,063 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] [2021-12-17 22:30:08,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:08,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:08,063 INFO L85 PathProgramCache]: Analyzing trace with hash -25760486, now seen corresponding path program 1 times [2021-12-17 22:30:08,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:08,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198708522] [2021-12-17 22:30:08,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:08,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:08,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:08,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198708522] [2021-12-17 22:30:08,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198708522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:08,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:08,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:30:08,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764465843] [2021-12-17 22:30:08,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:08,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 22:30:08,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:08,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 22:30:08,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 22:30:08,077 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 199 [2021-12-17 22:30:08,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 199 transitions, 442 flow. Second operand has 2 states, 2 states have (on average 161.0) internal successors, (322), 2 states have internal predecessors, (322), 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) [2021-12-17 22:30:08,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:08,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 199 [2021-12-17 22:30:08,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:08,130 INFO L129 PetriNetUnfolder]: 26/498 cut-off events. [2021-12-17 22:30:08,131 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2021-12-17 22:30:08,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 498 events. 26/498 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1960 event pairs, 6 based on Foata normal form. 257/724 useless extension candidates. Maximal degree in co-relation 357. Up to 37 conditions per place. [2021-12-17 22:30:08,133 INFO L132 encePairwiseOnDemand]: 169/199 looper letters, 4 selfloop transitions, 0 changer transitions 23/168 dead transitions. [2021-12-17 22:30:08,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 396 flow [2021-12-17 22:30:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 22:30:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-17 22:30:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 358 transitions. [2021-12-17 22:30:08,135 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8994974874371859 [2021-12-17 22:30:08,135 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 358 transitions. [2021-12-17 22:30:08,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 358 transitions. [2021-12-17 22:30:08,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:08,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 358 transitions. [2021-12-17 22:30:08,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 179.0) internal successors, (358), 2 states have internal predecessors, (358), 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) [2021-12-17 22:30:08,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2021-12-17 22:30:08,136 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2021-12-17 22:30:08,136 INFO L186 Difference]: Start difference. First operand has 173 places, 199 transitions, 442 flow. Second operand 2 states and 358 transitions. [2021-12-17 22:30:08,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 396 flow [2021-12-17 22:30:08,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 168 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:08,139 INFO L242 Difference]: Finished difference. Result has 173 places, 145 transitions, 322 flow [2021-12-17 22:30:08,140 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=322, PETRI_PLACES=173, PETRI_TRANSITIONS=145} [2021-12-17 22:30:08,141 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 0 predicate places. [2021-12-17 22:30:08,141 INFO L470 AbstractCegarLoop]: Abstraction has has 173 places, 145 transitions, 322 flow [2021-12-17 22:30:08,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 161.0) internal successors, (322), 2 states have internal predecessors, (322), 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) [2021-12-17 22:30:08,142 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:08,142 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] [2021-12-17 22:30:08,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 22:30:08,142 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1243546776, now seen corresponding path program 1 times [2021-12-17 22:30:08,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:08,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071674429] [2021-12-17 22:30:08,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:08,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:08,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:08,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071674429] [2021-12-17 22:30:08,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071674429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:08,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:08,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:30:08,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232867809] [2021-12-17 22:30:08,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:08,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:30:08,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:30:08,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:30:08,167 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 199 [2021-12-17 22:30:08,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 145 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:30:08,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:08,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 199 [2021-12-17 22:30:08,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:08,216 INFO L129 PetriNetUnfolder]: 4/218 cut-off events. [2021-12-17 22:30:08,216 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-17 22:30:08,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 218 events. 4/218 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 521 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 264. Up to 24 conditions per place. [2021-12-17 22:30:08,217 INFO L132 encePairwiseOnDemand]: 196/199 looper letters, 13 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2021-12-17 22:30:08,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 149 transitions, 360 flow [2021-12-17 22:30:08,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:30:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:30:08,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2021-12-17 22:30:08,219 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7956448911222781 [2021-12-17 22:30:08,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 475 transitions. [2021-12-17 22:30:08,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions. [2021-12-17 22:30:08,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:08,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions. [2021-12-17 22:30:08,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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) [2021-12-17 22:30:08,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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) [2021-12-17 22:30:08,221 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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) [2021-12-17 22:30:08,221 INFO L186 Difference]: Start difference. First operand has 173 places, 145 transitions, 322 flow. Second operand 3 states and 475 transitions. [2021-12-17 22:30:08,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 149 transitions, 360 flow [2021-12-17 22:30:08,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 149 transitions, 348 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:08,224 INFO L242 Difference]: Finished difference. Result has 157 places, 146 transitions, 322 flow [2021-12-17 22:30:08,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=157, PETRI_TRANSITIONS=146} [2021-12-17 22:30:08,225 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, -16 predicate places. [2021-12-17 22:30:08,225 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 146 transitions, 322 flow [2021-12-17 22:30:08,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:30:08,225 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:08,225 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] [2021-12-17 22:30:08,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 22:30:08,226 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:08,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash -954141003, now seen corresponding path program 1 times [2021-12-17 22:30:08,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:08,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100015568] [2021-12-17 22:30:08,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:08,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:08,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:08,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100015568] [2021-12-17 22:30:08,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100015568] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:30:08,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507553458] [2021-12-17 22:30:08,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:08,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:08,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:08,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:30:08,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 22:30:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:08,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 22:30:08,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:30:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:08,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:30:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:08,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507553458] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:30:08,521 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:30:08,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-17 22:30:08,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850073072] [2021-12-17 22:30:08,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:30:08,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:30:08,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:08,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:30:08,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:30:08,525 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 199 [2021-12-17 22:30:08,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 146 transitions, 322 flow. Second operand has 10 states, 10 states have (on average 154.3) internal successors, (1543), 10 states have internal predecessors, (1543), 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) [2021-12-17 22:30:08,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:08,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 199 [2021-12-17 22:30:08,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:08,587 INFO L129 PetriNetUnfolder]: 2/190 cut-off events. [2021-12-17 22:30:08,587 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-17 22:30:08,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 190 events. 2/190 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 367 event pairs, 0 based on Foata normal form. 2/190 useless extension candidates. Maximal degree in co-relation 240. Up to 11 conditions per place. [2021-12-17 22:30:08,589 INFO L132 encePairwiseOnDemand]: 193/199 looper letters, 14 selfloop transitions, 9 changer transitions 0/156 dead transitions. [2021-12-17 22:30:08,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 156 transitions, 390 flow [2021-12-17 22:30:08,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:30:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:30:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1393 transitions. [2021-12-17 22:30:08,591 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-12-17 22:30:08,592 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1393 transitions. [2021-12-17 22:30:08,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1393 transitions. [2021-12-17 22:30:08,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:08,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1393 transitions. [2021-12-17 22:30:08,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.77777777777777) internal successors, (1393), 9 states have internal predecessors, (1393), 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) [2021-12-17 22:30:08,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 199.0) internal successors, (1990), 10 states have internal predecessors, (1990), 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) [2021-12-17 22:30:08,597 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 199.0) internal successors, (1990), 10 states have internal predecessors, (1990), 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) [2021-12-17 22:30:08,597 INFO L186 Difference]: Start difference. First operand has 157 places, 146 transitions, 322 flow. Second operand 9 states and 1393 transitions. [2021-12-17 22:30:08,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 156 transitions, 390 flow [2021-12-17 22:30:08,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 156 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:08,599 INFO L242 Difference]: Finished difference. Result has 167 places, 152 transitions, 370 flow [2021-12-17 22:30:08,600 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=370, PETRI_PLACES=167, PETRI_TRANSITIONS=152} [2021-12-17 22:30:08,600 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, -6 predicate places. [2021-12-17 22:30:08,600 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 152 transitions, 370 flow [2021-12-17 22:30:08,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 154.3) internal successors, (1543), 10 states have internal predecessors, (1543), 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) [2021-12-17 22:30:08,601 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:08,601 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:30:08,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 22:30:08,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:08,830 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:08,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:08,830 INFO L85 PathProgramCache]: Analyzing trace with hash -770173908, now seen corresponding path program 1 times [2021-12-17 22:30:08,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:08,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461750579] [2021-12-17 22:30:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:08,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-17 22:30:08,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:08,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461750579] [2021-12-17 22:30:08,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461750579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:08,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:08,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:30:08,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523087708] [2021-12-17 22:30:08,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:08,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:30:08,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:08,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:30:08,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:30:08,903 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 199 [2021-12-17 22:30:08,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 152 transitions, 370 flow. Second operand has 5 states, 5 states have (on average 139.6) internal successors, (698), 5 states have internal predecessors, (698), 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) [2021-12-17 22:30:08,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:08,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 199 [2021-12-17 22:30:08,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:13,134 INFO L129 PetriNetUnfolder]: 16764/41462 cut-off events. [2021-12-17 22:30:13,134 INFO L130 PetriNetUnfolder]: For 555/555 co-relation queries the response was YES. [2021-12-17 22:30:13,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64879 conditions, 41462 events. 16764/41462 cut-off events. For 555/555 co-relation queries the response was YES. Maximal size of possible extension queue 1780. Compared 494043 event pairs, 10951 based on Foata normal form. 750/41629 useless extension candidates. Maximal degree in co-relation 64868. Up to 14189 conditions per place. [2021-12-17 22:30:13,408 INFO L132 encePairwiseOnDemand]: 191/199 looper letters, 31 selfloop transitions, 5 changer transitions 53/216 dead transitions. [2021-12-17 22:30:13,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 216 transitions, 691 flow [2021-12-17 22:30:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 22:30:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-17 22:30:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1057 transitions. [2021-12-17 22:30:13,411 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7587939698492462 [2021-12-17 22:30:13,411 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1057 transitions. [2021-12-17 22:30:13,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1057 transitions. [2021-12-17 22:30:13,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:13,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1057 transitions. [2021-12-17 22:30:13,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 151.0) internal successors, (1057), 7 states have internal predecessors, (1057), 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) [2021-12-17 22:30:13,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 199.0) internal successors, (1592), 8 states have internal predecessors, (1592), 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) [2021-12-17 22:30:13,415 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 199.0) internal successors, (1592), 8 states have internal predecessors, (1592), 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) [2021-12-17 22:30:13,415 INFO L186 Difference]: Start difference. First operand has 167 places, 152 transitions, 370 flow. Second operand 7 states and 1057 transitions. [2021-12-17 22:30:13,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 216 transitions, 691 flow [2021-12-17 22:30:13,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 216 transitions, 685 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:13,419 INFO L242 Difference]: Finished difference. Result has 177 places, 156 transitions, 421 flow [2021-12-17 22:30:13,420 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=421, PETRI_PLACES=177, PETRI_TRANSITIONS=156} [2021-12-17 22:30:13,420 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 4 predicate places. [2021-12-17 22:30:13,420 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 156 transitions, 421 flow [2021-12-17 22:30:13,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 139.6) internal successors, (698), 5 states have internal predecessors, (698), 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) [2021-12-17 22:30:13,421 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:13,421 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:30:13,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 22:30:13,421 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:13,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:13,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1523698642, now seen corresponding path program 1 times [2021-12-17 22:30:13,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:13,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574492786] [2021-12-17 22:30:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:13,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:13,433 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:30:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:13,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:30:13,445 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:30:13,445 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-17 22:30:13,445 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-17 22:30:13,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 22:30:13,446 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-17 22:30:13,446 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-17 22:30:13,446 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-12-17 22:30:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,467 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,481 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:13,482 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-17 22:30:13,483 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:30:13,484 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 [2021-12-17 22:30:13,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-17 22:30:13,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 229 transitions, 518 flow [2021-12-17 22:30:13,557 INFO L129 PetriNetUnfolder]: 152/904 cut-off events. [2021-12-17 22:30:13,557 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-12-17 22:30:13,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 904 events. 152/904 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4114 event pairs, 23 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 613. Up to 80 conditions per place. [2021-12-17 22:30:13,568 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 229 transitions, 518 flow [2021-12-17 22:30:13,574 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 229 transitions, 518 flow [2021-12-17 22:30:13,577 INFO L129 PetriNetUnfolder]: 6/78 cut-off events. [2021-12-17 22:30:13,577 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:13,577 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:13,577 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] [2021-12-17 22:30:13,578 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:13,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2040266209, now seen corresponding path program 1 times [2021-12-17 22:30:13,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:13,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450179189] [2021-12-17 22:30:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:13,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:13,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:13,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450179189] [2021-12-17 22:30:13,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450179189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:13,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:13,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:30:13,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611959112] [2021-12-17 22:30:13,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:13,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 22:30:13,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 22:30:13,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 22:30:13,590 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 229 [2021-12-17 22:30:13,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 229 transitions, 518 flow. Second operand has 2 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 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) [2021-12-17 22:30:13,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:13,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 229 [2021-12-17 22:30:13,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:13,671 INFO L129 PetriNetUnfolder]: 60/806 cut-off events. [2021-12-17 22:30:13,671 INFO L130 PetriNetUnfolder]: For 285/285 co-relation queries the response was YES. [2021-12-17 22:30:13,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 806 events. 60/806 cut-off events. For 285/285 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3806 event pairs, 23 based on Foata normal form. 586/1342 useless extension candidates. Maximal degree in co-relation 579. Up to 86 conditions per place. [2021-12-17 22:30:13,676 INFO L132 encePairwiseOnDemand]: 193/229 looper letters, 5 selfloop transitions, 0 changer transitions 24/192 dead transitions. [2021-12-17 22:30:13,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 192 transitions, 464 flow [2021-12-17 22:30:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 22:30:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-17 22:30:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 410 transitions. [2021-12-17 22:30:13,677 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8951965065502183 [2021-12-17 22:30:13,677 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 410 transitions. [2021-12-17 22:30:13,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 410 transitions. [2021-12-17 22:30:13,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:13,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 410 transitions. [2021-12-17 22:30:13,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 205.0) internal successors, (410), 2 states have internal predecessors, (410), 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) [2021-12-17 22:30:13,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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) [2021-12-17 22:30:13,679 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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) [2021-12-17 22:30:13,679 INFO L186 Difference]: Start difference. First operand has 198 places, 229 transitions, 518 flow. Second operand 2 states and 410 transitions. [2021-12-17 22:30:13,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 192 transitions, 464 flow [2021-12-17 22:30:13,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 192 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:13,682 INFO L242 Difference]: Finished difference. Result has 198 places, 168 transitions, 381 flow [2021-12-17 22:30:13,683 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=381, PETRI_PLACES=198, PETRI_TRANSITIONS=168} [2021-12-17 22:30:13,683 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 0 predicate places. [2021-12-17 22:30:13,683 INFO L470 AbstractCegarLoop]: Abstraction has has 198 places, 168 transitions, 381 flow [2021-12-17 22:30:13,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 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) [2021-12-17 22:30:13,684 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:13,684 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] [2021-12-17 22:30:13,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 22:30:13,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:13,684 INFO L85 PathProgramCache]: Analyzing trace with hash -153288755, now seen corresponding path program 1 times [2021-12-17 22:30:13,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:13,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876549939] [2021-12-17 22:30:13,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:13,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:13,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:13,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876549939] [2021-12-17 22:30:13,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876549939] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:13,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:13,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:30:13,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501532341] [2021-12-17 22:30:13,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:13,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:30:13,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:13,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:30:13,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:30:13,700 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 229 [2021-12-17 22:30:13,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 168 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-12-17 22:30:13,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:13,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 229 [2021-12-17 22:30:13,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:13,735 INFO L129 PetriNetUnfolder]: 5/264 cut-off events. [2021-12-17 22:30:13,735 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-12-17 22:30:13,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 264 events. 5/264 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 677 event pairs, 0 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 323. Up to 30 conditions per place. [2021-12-17 22:30:13,737 INFO L132 encePairwiseOnDemand]: 226/229 looper letters, 14 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2021-12-17 22:30:13,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 172 transitions, 421 flow [2021-12-17 22:30:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:30:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:30:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 542 transitions. [2021-12-17 22:30:13,738 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7889374090247453 [2021-12-17 22:30:13,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 542 transitions. [2021-12-17 22:30:13,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 542 transitions. [2021-12-17 22:30:13,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:13,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 542 transitions. [2021-12-17 22:30:13,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 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) [2021-12-17 22:30:13,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 229.0) internal successors, (916), 4 states have internal predecessors, (916), 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) [2021-12-17 22:30:13,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 229.0) internal successors, (916), 4 states have internal predecessors, (916), 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) [2021-12-17 22:30:13,741 INFO L186 Difference]: Start difference. First operand has 198 places, 168 transitions, 381 flow. Second operand 3 states and 542 transitions. [2021-12-17 22:30:13,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 172 transitions, 421 flow [2021-12-17 22:30:13,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 172 transitions, 401 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:13,744 INFO L242 Difference]: Finished difference. Result has 182 places, 169 transitions, 373 flow [2021-12-17 22:30:13,745 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=182, PETRI_TRANSITIONS=169} [2021-12-17 22:30:13,745 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, -16 predicate places. [2021-12-17 22:30:13,745 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 169 transitions, 373 flow [2021-12-17 22:30:13,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-12-17 22:30:13,746 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:13,746 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] [2021-12-17 22:30:13,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 22:30:13,746 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:13,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash -953336994, now seen corresponding path program 1 times [2021-12-17 22:30:13,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:13,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515939939] [2021-12-17 22:30:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:13,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:13,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515939939] [2021-12-17 22:30:13,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515939939] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:30:13,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300302915] [2021-12-17 22:30:13,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:13,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:13,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:13,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:30:13,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 22:30:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:13,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 22:30:13,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:30:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:13,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:30:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:14,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300302915] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:30:14,043 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:30:14,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-17 22:30:14,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451945569] [2021-12-17 22:30:14,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:30:14,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:30:14,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:30:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:30:14,045 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 229 [2021-12-17 22:30:14,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 169 transitions, 373 flow. Second operand has 10 states, 10 states have (on average 176.3) internal successors, (1763), 10 states have internal predecessors, (1763), 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) [2021-12-17 22:30:14,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:14,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 229 [2021-12-17 22:30:14,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:14,147 INFO L129 PetriNetUnfolder]: 3/236 cut-off events. [2021-12-17 22:30:14,147 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-17 22:30:14,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 236 events. 3/236 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 523 event pairs, 0 based on Foata normal form. 2/235 useless extension candidates. Maximal degree in co-relation 298. Up to 15 conditions per place. [2021-12-17 22:30:14,149 INFO L132 encePairwiseOnDemand]: 223/229 looper letters, 15 selfloop transitions, 9 changer transitions 0/179 dead transitions. [2021-12-17 22:30:14,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 179 transitions, 443 flow [2021-12-17 22:30:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:30:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:30:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1592 transitions. [2021-12-17 22:30:14,152 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.772440562833576 [2021-12-17 22:30:14,152 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1592 transitions. [2021-12-17 22:30:14,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1592 transitions. [2021-12-17 22:30:14,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:14,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1592 transitions. [2021-12-17 22:30:14,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 176.88888888888889) internal successors, (1592), 9 states have internal predecessors, (1592), 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) [2021-12-17 22:30:14,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 229.0) internal successors, (2290), 10 states have internal predecessors, (2290), 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) [2021-12-17 22:30:14,157 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 229.0) internal successors, (2290), 10 states have internal predecessors, (2290), 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) [2021-12-17 22:30:14,158 INFO L186 Difference]: Start difference. First operand has 182 places, 169 transitions, 373 flow. Second operand 9 states and 1592 transitions. [2021-12-17 22:30:14,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 179 transitions, 443 flow [2021-12-17 22:30:14,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 179 transitions, 441 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:14,160 INFO L242 Difference]: Finished difference. Result has 192 places, 175 transitions, 421 flow [2021-12-17 22:30:14,161 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=421, PETRI_PLACES=192, PETRI_TRANSITIONS=175} [2021-12-17 22:30:14,161 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, -6 predicate places. [2021-12-17 22:30:14,161 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 175 transitions, 421 flow [2021-12-17 22:30:14,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 176.3) internal successors, (1763), 10 states have internal predecessors, (1763), 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) [2021-12-17 22:30:14,162 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:14,162 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:30:14,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-17 22:30:14,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-17 22:30:14,370 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:14,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:14,370 INFO L85 PathProgramCache]: Analyzing trace with hash -474641827, now seen corresponding path program 1 times [2021-12-17 22:30:14,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:14,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268008989] [2021-12-17 22:30:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:14,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-17 22:30:14,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:14,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268008989] [2021-12-17 22:30:14,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268008989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:14,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:14,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:30:14,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846618130] [2021-12-17 22:30:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:14,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:30:14,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:30:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:30:14,506 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 229 [2021-12-17 22:30:14,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 175 transitions, 421 flow. Second operand has 5 states, 5 states have (on average 157.6) internal successors, (788), 5 states have internal predecessors, (788), 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) [2021-12-17 22:30:14,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:14,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 229 [2021-12-17 22:30:14,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:43,415 INFO L129 PetriNetUnfolder]: 110512/253230 cut-off events. [2021-12-17 22:30:43,415 INFO L130 PetriNetUnfolder]: For 2354/2354 co-relation queries the response was YES. [2021-12-17 22:30:45,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396946 conditions, 253230 events. 110512/253230 cut-off events. For 2354/2354 co-relation queries the response was YES. Maximal size of possible extension queue 9219. Compared 3574352 event pairs, 63940 based on Foata normal form. 3875/253521 useless extension candidates. Maximal degree in co-relation 396934. Up to 88950 conditions per place. [2021-12-17 22:30:46,909 INFO L132 encePairwiseOnDemand]: 220/229 looper letters, 38 selfloop transitions, 6 changer transitions 65/254 dead transitions. [2021-12-17 22:30:46,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 254 transitions, 817 flow [2021-12-17 22:30:46,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 22:30:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-17 22:30:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1203 transitions. [2021-12-17 22:30:46,913 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7504678727386151 [2021-12-17 22:30:46,913 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1203 transitions. [2021-12-17 22:30:46,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1203 transitions. [2021-12-17 22:30:46,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:46,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1203 transitions. [2021-12-17 22:30:46,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 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) [2021-12-17 22:30:46,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 229.0) internal successors, (1832), 8 states have internal predecessors, (1832), 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) [2021-12-17 22:30:46,918 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 229.0) internal successors, (1832), 8 states have internal predecessors, (1832), 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) [2021-12-17 22:30:46,918 INFO L186 Difference]: Start difference. First operand has 192 places, 175 transitions, 421 flow. Second operand 7 states and 1203 transitions. [2021-12-17 22:30:46,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 254 transitions, 817 flow [2021-12-17 22:30:46,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 254 transitions, 811 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:46,922 INFO L242 Difference]: Finished difference. Result has 202 places, 180 transitions, 483 flow [2021-12-17 22:30:46,923 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=483, PETRI_PLACES=202, PETRI_TRANSITIONS=180} [2021-12-17 22:30:46,923 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 4 predicate places. [2021-12-17 22:30:46,923 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 180 transitions, 483 flow [2021-12-17 22:30:46,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 157.6) internal successors, (788), 5 states have internal predecessors, (788), 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) [2021-12-17 22:30:46,924 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:46,924 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:30:46,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 22:30:46,924 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:46,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash -323536205, now seen corresponding path program 1 times [2021-12-17 22:30:46,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:46,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104422221] [2021-12-17 22:30:46,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:46,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:47,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:47,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104422221] [2021-12-17 22:30:47,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104422221] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:30:47,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189961326] [2021-12-17 22:30:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:47,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:47,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:47,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:30:47,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 22:30:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:47,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 22:30:47,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:30:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:47,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:30:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:47,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189961326] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:30:47,409 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:30:47,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-17 22:30:47,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993499557] [2021-12-17 22:30:47,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:30:47,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-17 22:30:47,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-17 22:30:47,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-17 22:30:47,412 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 229 [2021-12-17 22:30:47,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 180 transitions, 483 flow. Second operand has 18 states, 18 states have (on average 176.61111111111111) internal successors, (3179), 18 states have internal predecessors, (3179), 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) [2021-12-17 22:30:47,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:47,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 229 [2021-12-17 22:30:47,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:47,572 INFO L129 PetriNetUnfolder]: 49/633 cut-off events. [2021-12-17 22:30:47,572 INFO L130 PetriNetUnfolder]: For 109/277 co-relation queries the response was YES. [2021-12-17 22:30:47,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 633 events. 49/633 cut-off events. For 109/277 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3347 event pairs, 23 based on Foata normal form. 3/619 useless extension candidates. Maximal degree in co-relation 949. Up to 81 conditions per place. [2021-12-17 22:30:47,580 INFO L132 encePairwiseOnDemand]: 224/229 looper letters, 18 selfloop transitions, 16 changer transitions 0/181 dead transitions. [2021-12-17 22:30:47,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 181 transitions, 565 flow [2021-12-17 22:30:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-17 22:30:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-17 22:30:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3169 transitions. [2021-12-17 22:30:47,586 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7688015526443474 [2021-12-17 22:30:47,586 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3169 transitions. [2021-12-17 22:30:47,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3169 transitions. [2021-12-17 22:30:47,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:47,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3169 transitions. [2021-12-17 22:30:47,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 176.05555555555554) internal successors, (3169), 18 states have internal predecessors, (3169), 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) [2021-12-17 22:30:47,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 229.0) internal successors, (4351), 19 states have internal predecessors, (4351), 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) [2021-12-17 22:30:47,598 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 229.0) internal successors, (4351), 19 states have internal predecessors, (4351), 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) [2021-12-17 22:30:47,598 INFO L186 Difference]: Start difference. First operand has 202 places, 180 transitions, 483 flow. Second operand 18 states and 3169 transitions. [2021-12-17 22:30:47,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 181 transitions, 565 flow [2021-12-17 22:30:47,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 181 transitions, 528 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-12-17 22:30:47,601 INFO L242 Difference]: Finished difference. Result has 196 places, 172 transitions, 464 flow [2021-12-17 22:30:47,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=464, PETRI_PLACES=196, PETRI_TRANSITIONS=172} [2021-12-17 22:30:47,601 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, -2 predicate places. [2021-12-17 22:30:47,602 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 172 transitions, 464 flow [2021-12-17 22:30:47,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.61111111111111) internal successors, (3179), 18 states have internal predecessors, (3179), 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) [2021-12-17 22:30:47,603 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:47,603 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:30:47,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 22:30:47,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:47,819 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:47,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:47,819 INFO L85 PathProgramCache]: Analyzing trace with hash 884848529, now seen corresponding path program 1 times [2021-12-17 22:30:47,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:47,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208830063] [2021-12-17 22:30:47,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:47,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:47,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:30:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:30:47,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:30:47,858 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:30:47,858 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-17 22:30:47,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-17 22:30:47,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 22:30:47,858 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-17 22:30:47,859 WARN L234 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-17 22:30:47,859 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,872 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,878 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:30:47,883 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-12-17 22:30:47,883 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:30:47,884 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 [2021-12-17 22:30:47,884 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-17 22:30:47,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 259 transitions, 596 flow [2021-12-17 22:30:48,021 INFO L129 PetriNetUnfolder]: 277/1528 cut-off events. [2021-12-17 22:30:48,021 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-12-17 22:30:48,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1760 conditions, 1528 events. 277/1528 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8601 event pairs, 72 based on Foata normal form. 0/1308 useless extension candidates. Maximal degree in co-relation 1003. Up to 192 conditions per place. [2021-12-17 22:30:48,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 223 places, 259 transitions, 596 flow [2021-12-17 22:30:48,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 259 transitions, 596 flow [2021-12-17 22:30:48,057 INFO L129 PetriNetUnfolder]: 5/76 cut-off events. [2021-12-17 22:30:48,057 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:30:48,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:48,057 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] [2021-12-17 22:30:48,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:48,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:48,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1505261857, now seen corresponding path program 1 times [2021-12-17 22:30:48,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:48,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154105456] [2021-12-17 22:30:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:48,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:48,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:48,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154105456] [2021-12-17 22:30:48,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154105456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:48,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:48,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:30:48,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074301388] [2021-12-17 22:30:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:48,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:30:48,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:48,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:30:48,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:30:48,074 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 259 [2021-12-17 22:30:48,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 259 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2021-12-17 22:30:48,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:48,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 259 [2021-12-17 22:30:48,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:48,242 INFO L129 PetriNetUnfolder]: 140/1366 cut-off events. [2021-12-17 22:30:48,242 INFO L130 PetriNetUnfolder]: For 626/626 co-relation queries the response was YES. [2021-12-17 22:30:48,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1366 events. 140/1366 cut-off events. For 626/626 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8018 event pairs, 72 based on Foata normal form. 1768/3052 useless extension candidates. Maximal degree in co-relation 1008. Up to 228 conditions per place. [2021-12-17 22:30:48,255 INFO L132 encePairwiseOnDemand]: 214/259 looper letters, 15 selfloop transitions, 2 changer transitions 25/220 dead transitions. [2021-12-17 22:30:48,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 220 transitions, 564 flow [2021-12-17 22:30:48,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:30:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:30:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2021-12-17 22:30:48,257 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8545688545688546 [2021-12-17 22:30:48,257 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2021-12-17 22:30:48,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2021-12-17 22:30:48,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:48,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2021-12-17 22:30:48,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2021-12-17 22:30:48,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 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) [2021-12-17 22:30:48,261 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 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) [2021-12-17 22:30:48,261 INFO L186 Difference]: Start difference. First operand has 223 places, 259 transitions, 596 flow. Second operand 3 states and 664 transitions. [2021-12-17 22:30:48,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 220 transitions, 564 flow [2021-12-17 22:30:48,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 220 transitions, 564 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:30:48,264 INFO L242 Difference]: Finished difference. Result has 225 places, 192 transitions, 454 flow [2021-12-17 22:30:48,264 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=225, PETRI_TRANSITIONS=192} [2021-12-17 22:30:48,264 INFO L334 CegarLoopForPetriNet]: 223 programPoint places, 2 predicate places. [2021-12-17 22:30:48,265 INFO L470 AbstractCegarLoop]: Abstraction has has 225 places, 192 transitions, 454 flow [2021-12-17 22:30:48,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2021-12-17 22:30:48,265 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:48,265 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] [2021-12-17 22:30:48,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 22:30:48,265 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:48,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:48,266 INFO L85 PathProgramCache]: Analyzing trace with hash -183362971, now seen corresponding path program 1 times [2021-12-17 22:30:48,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:48,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870940804] [2021-12-17 22:30:48,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:48,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:48,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:48,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870940804] [2021-12-17 22:30:48,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870940804] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 22:30:48,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396442751] [2021-12-17 22:30:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:48,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:48,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:30:48,303 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 22:30:48,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 22:30:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:48,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 22:30:48,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 22:30:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:48,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 22:30:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:30:48,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396442751] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 22:30:48,513 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 22:30:48,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-17 22:30:48,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699916836] [2021-12-17 22:30:48,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 22:30:48,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:30:48,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:48,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:30:48,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:30:48,516 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 259 [2021-12-17 22:30:48,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 192 transitions, 454 flow. Second operand has 10 states, 10 states have (on average 198.3) internal successors, (1983), 10 states have internal predecessors, (1983), 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) [2021-12-17 22:30:48,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:48,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 259 [2021-12-17 22:30:48,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:30:48,594 INFO L129 PetriNetUnfolder]: 4/282 cut-off events. [2021-12-17 22:30:48,594 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-12-17 22:30:48,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 282 events. 4/282 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 679 event pairs, 0 based on Foata normal form. 2/280 useless extension candidates. Maximal degree in co-relation 321. Up to 19 conditions per place. [2021-12-17 22:30:48,597 INFO L132 encePairwiseOnDemand]: 253/259 looper letters, 16 selfloop transitions, 9 changer transitions 0/202 dead transitions. [2021-12-17 22:30:48,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 202 transitions, 526 flow [2021-12-17 22:30:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:30:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:30:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1791 transitions. [2021-12-17 22:30:48,601 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7683397683397684 [2021-12-17 22:30:48,601 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1791 transitions. [2021-12-17 22:30:48,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1791 transitions. [2021-12-17 22:30:48,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:30:48,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1791 transitions. [2021-12-17 22:30:48,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 199.0) internal successors, (1791), 9 states have internal predecessors, (1791), 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) [2021-12-17 22:30:48,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 259.0) internal successors, (2590), 10 states have internal predecessors, (2590), 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) [2021-12-17 22:30:48,608 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 259.0) internal successors, (2590), 10 states have internal predecessors, (2590), 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) [2021-12-17 22:30:48,608 INFO L186 Difference]: Start difference. First operand has 225 places, 192 transitions, 454 flow. Second operand 9 states and 1791 transitions. [2021-12-17 22:30:48,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 202 transitions, 526 flow [2021-12-17 22:30:48,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 202 transitions, 494 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-12-17 22:30:48,612 INFO L242 Difference]: Finished difference. Result has 216 places, 198 transitions, 472 flow [2021-12-17 22:30:48,612 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=472, PETRI_PLACES=216, PETRI_TRANSITIONS=198} [2021-12-17 22:30:48,612 INFO L334 CegarLoopForPetriNet]: 223 programPoint places, -7 predicate places. [2021-12-17 22:30:48,612 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 198 transitions, 472 flow [2021-12-17 22:30:48,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 198.3) internal successors, (1983), 10 states have internal predecessors, (1983), 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) [2021-12-17 22:30:48,613 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:30:48,613 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:30:48,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 22:30:48,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 22:30:48,827 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-17 22:30:48,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:30:48,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2006824300, now seen corresponding path program 1 times [2021-12-17 22:30:48,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:30:48,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367640951] [2021-12-17 22:30:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:30:48,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:30:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:30:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-17 22:30:48,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:30:48,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367640951] [2021-12-17 22:30:48,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367640951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:30:48,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:30:48,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:30:48,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807185869] [2021-12-17 22:30:48,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:30:48,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:30:48,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:30:48,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:30:48,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:30:48,888 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 259 [2021-12-17 22:30:48,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 198 transitions, 472 flow. Second operand has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 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) [2021-12-17 22:30:48,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:30:48,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 259 [2021-12-17 22:30:48,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand