./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/weaver/parallel-ticket-7.wvr.c -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 804a6f1d000a9eac5cab22029525644887c7b13b33bf8b82b475e09952d467ca --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:19:10,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:19:10,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:19:10,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:19:10,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:19:10,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:19:10,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:19:10,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:19:10,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:19:10,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:19:10,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:19:10,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:19:10,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:19:10,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:19:10,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:19:10,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:19:10,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:19:10,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:19:10,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:19:10,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:19:10,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:19:10,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:19:10,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:19:10,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:19:10,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:19:10,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:19:10,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:19:10,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:19:10,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:19:10,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:19:10,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:19:10,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:19:10,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:19:10,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:19:10,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:19:10,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:19:10,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:19:10,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:19:10,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:19:10,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:19:10,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:19:10,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:19:10,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:19:10,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:19:10,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:19:10,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:19:10,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:19:10,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:19:10,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:19:10,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:19:10,384 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:19:10,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:19:10,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:19:10,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:19:10,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:19:10,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:19:10,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:19:10,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:19:10,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:19:10,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:19:10,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:19:10,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:19:10,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:19:10,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:19:10,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:19:10,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:19:10,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:19:10,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:19:10,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:19:10,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:19:10,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:19:10,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:19:10,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:19:10,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:19:10,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:19:10,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:19:10,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 804a6f1d000a9eac5cab22029525644887c7b13b33bf8b82b475e09952d467ca [2021-12-21 15:19:10,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:19:10,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:19:10,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:19:10,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:19:10,672 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:19:10,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2021-12-21 15:19:10,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c58e23e9c/a5f8bccbc1b6446bbaa02b7afbea6113/FLAG268e71a79 [2021-12-21 15:19:11,060 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:19:11,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2021-12-21 15:19:11,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c58e23e9c/a5f8bccbc1b6446bbaa02b7afbea6113/FLAG268e71a79 [2021-12-21 15:19:11,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c58e23e9c/a5f8bccbc1b6446bbaa02b7afbea6113 [2021-12-21 15:19:11,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:19:11,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:19:11,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:19:11,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:19:11,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:19:11,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d88a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11, skipping insertion in model container [2021-12-21 15:19:11,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:19:11,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:19:11,216 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/weaver/parallel-ticket-7.wvr.c[4837,4850] [2021-12-21 15:19:11,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:19:11,272 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:19:11,294 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/weaver/parallel-ticket-7.wvr.c[4837,4850] [2021-12-21 15:19:11,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:19:11,310 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:19:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11 WrapperNode [2021-12-21 15:19:11,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:19:11,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:19:11,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:19:11,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:19:11,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,346 INFO L137 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 318 [2021-12-21 15:19:11,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:19:11,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:19:11,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:19:11,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:19:11,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:19:11,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:19:11,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:19:11,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:19:11,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (1/1) ... [2021-12-21 15:19:11,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:19:11,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:19:11,416 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) [2021-12-21 15:19:11,426 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 [2021-12-21 15:19:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:19:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:19:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:19:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:19:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-21 15:19:11,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-21 15:19:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-21 15:19:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-21 15:19:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-21 15:19:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-21 15:19:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-12-21 15:19:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-12-21 15:19:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:19:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-12-21 15:19:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-12-21 15:19:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-12-21 15:19:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-12-21 15:19:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-12-21 15:19:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-12-21 15:19:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 15:19:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 15:19:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:19:11,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:19:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:19:11,461 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:19:11,534 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:19:11,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:19:11,825 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:19:11,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:19:11,892 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:19:11,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:19:11 BoogieIcfgContainer [2021-12-21 15:19:11,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:19:11,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:19:11,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:19:11,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:19:11,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:19:11" (1/3) ... [2021-12-21 15:19:11,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28178d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:19:11, skipping insertion in model container [2021-12-21 15:19:11,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:19:11" (2/3) ... [2021-12-21 15:19:11,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28178d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:19:11, skipping insertion in model container [2021-12-21 15:19:11,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:19:11" (3/3) ... [2021-12-21 15:19:11,905 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2021-12-21 15:19:11,910 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:19:11,910 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:19:11,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:19:11,911 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:19:11,971 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,971 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,972 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,973 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,975 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,976 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,976 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,977 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,977 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,977 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,977 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,978 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,979 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,980 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,980 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,980 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,980 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,981 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,981 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,981 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,981 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,981 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,982 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,984 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,984 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,984 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,984 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,985 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,985 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,985 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,985 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,986 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,986 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,986 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,987 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,987 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,987 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,987 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,987 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,988 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,988 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,988 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,989 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,989 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,990 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,990 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,990 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,990 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,991 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,991 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,991 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,991 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,992 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,992 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,992 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,992 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,992 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,996 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,996 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,997 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,997 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,997 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,997 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:11,999 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,000 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,000 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,000 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,000 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,000 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,003 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,003 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,003 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,003 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,003 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,004 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,005 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,005 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,005 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,006 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,006 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,006 WARN L322 ript$VariableManager]: TermVariabe |thread7Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,006 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,006 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,007 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,007 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,007 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,007 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork6_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:19:12,018 INFO L148 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-12-21 15:19:12,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:19:12,061 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 [2021-12-21 15:19:12,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-12-21 15:19:12,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 231 places, 211 transitions, 478 flow [2021-12-21 15:19:12,179 INFO L129 PetriNetUnfolder]: 2/204 cut-off events. [2021-12-21 15:19:12,180 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-21 15:19:12,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 204 events. 2/204 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2021-12-21 15:19:12,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 211 transitions, 478 flow [2021-12-21 15:19:12,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 185 transitions, 412 flow [2021-12-21 15:19:12,217 INFO L129 PetriNetUnfolder]: 2/184 cut-off events. [2021-12-21 15:19:12,217 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-21 15:19:12,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:19:12,218 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:19:12,219 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 4 more)] === [2021-12-21 15:19:12,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:19:12,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1101305519, now seen corresponding path program 1 times [2021-12-21 15:19:12,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:19:12,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298034526] [2021-12-21 15:19:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:19:12,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:19:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:19:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:19:13,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:19:13,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298034526] [2021-12-21 15:19:13,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298034526] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:19:13,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:19:13,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 15:19:13,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311177568] [2021-12-21 15:19:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:19:13,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 15:19:13,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:19:13,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 15:19:13,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:19:13,180 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 211 [2021-12-21 15:19:13,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 185 transitions, 412 flow. Second operand has 10 states, 10 states have (on average 156.5) internal successors, (1565), 10 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:19:13,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:19:13,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 211 [2021-12-21 15:19:13,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand