./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:23:48,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:23:48,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:23:48,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:23:48,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:23:48,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:23:48,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:23:48,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:23:48,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:23:48,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:23:48,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:23:48,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:23:48,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:23:48,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:23:48,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:23:48,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:23:48,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:23:48,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:23:48,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:23:48,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:23:48,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:23:48,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:23:48,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:23:48,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:23:48,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:23:48,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:23:48,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:23:48,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:23:48,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:23:48,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:23:48,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:23:48,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:23:48,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:23:48,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:23:48,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:23:48,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:23:48,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:23:48,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:23:48,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:23:48,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:23:48,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:23:48,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:23:48,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:23:48,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:23:48,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:23:48,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:23:48,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:23:48,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:23:48,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:23:48,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:23:48,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:23:48,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:23:48,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:23:48,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:23:48,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:23:48,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:23:48,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:23:48,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:23:48,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:23:48,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:23:48,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:23:48,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:23:48,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:23:48,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:48,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:23:48,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:23:48,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:23:48,462 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:23:48,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:23:48,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:23:48,463 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f [2021-11-22 23:23:48,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:23:48,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:23:48,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:23:48,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:23:48,794 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:23:48,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2021-11-22 23:23:48,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/data/4d43c8d0e/c81c73dd4e1445b0b503b336b552b00a/FLAG65ebdc58a [2021-11-22 23:23:49,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:23:49,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2021-11-22 23:23:49,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/data/4d43c8d0e/c81c73dd4e1445b0b503b336b552b00a/FLAG65ebdc58a [2021-11-22 23:23:49,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/data/4d43c8d0e/c81c73dd4e1445b0b503b336b552b00a [2021-11-22 23:23:49,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:23:49,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:23:49,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:49,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:23:49,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:23:49,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a59e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49, skipping insertion in model container [2021-11-22 23:23:49,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:23:49,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:23:50,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2021-11-22 23:23:50,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2021-11-22 23:23:50,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:50,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:23:50,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2021-11-22 23:23:50,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2021-11-22 23:23:50,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:50,238 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:23:50,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50 WrapperNode [2021-11-22 23:23:50,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:50,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:50,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:23:50,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:23:50,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,330 INFO L137 Inliner]: procedures = 52, calls = 55, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 476 [2021-11-22 23:23:50,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:50,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:23:50,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:23:50,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:23:50,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:23:50,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:23:50,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:23:50,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:23:50,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:23:50,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:23:50,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:23:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:23:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-22 23:23:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-22 23:23:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-22 23:23:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-22 23:23:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-22 23:23:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-22 23:23:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-22 23:23:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-22 23:23:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-22 23:23:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-22 23:23:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-22 23:23:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-22 23:23:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-22 23:23:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-22 23:23:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:23:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-22 23:23:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-22 23:23:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:23:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:23:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-22 23:23:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-22 23:23:50,630 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:23:50,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:23:51,145 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:23:51,269 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:23:51,269 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-22 23:23:51,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:51 BoogieIcfgContainer [2021-11-22 23:23:51,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:23:51,273 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:23:51,273 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:23:51,283 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:23:51,284 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:51" (1/1) ... [2021-11-22 23:23:51,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:23:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 130 states and 191 transitions. [2021-11-22 23:23:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2021-11-22 23:23:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:23:51,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:51,460 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:23:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:51,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:23:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:51,634 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-22 23:23:51,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:23:51 ImpRootNode [2021-11-22 23:23:51,680 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:23:51,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:23:51,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:23:51,681 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:23:51,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:51" (3/4) ... [2021-11-22 23:23:51,686 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:23:51,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:23:51,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:23:51,780 INFO L158 Benchmark]: Toolchain (without parser) took 1989.36ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 38.9MB in the beginning and 45.2MB in the end (delta: -6.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,780 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:23:51,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.78ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 38.6MB in the beginning and 74.0MB in the end (delta: -35.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.72ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 71.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,782 INFO L158 Benchmark]: Boogie Preprocessor took 79.17ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,782 INFO L158 Benchmark]: RCFGBuilder took 859.29ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,783 INFO L158 Benchmark]: CodeCheck took 406.81ms. Allocated memory is still 107.0MB. Free memory was 66.8MB in the beginning and 49.5MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,783 INFO L158 Benchmark]: Witness Printer took 97.99ms. Allocated memory is still 107.0MB. Free memory was 49.5MB in the beginning and 45.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:23:51,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 130 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int t2_pc = 0; [L397] int m_st ; [L398] int t1_st ; [L399] int t2_st ; [L400] int m_i ; [L401] int t1_i ; [L402] int t2_i ; [L403] int M_E = 2; [L404] int T1_E = 2; [L405] int T2_E = 2; [L406] int E_M = 2; [L407] int E_1 = 2; [L408] int E_2 = 2; [L413] int token ; [L415] int local ; [L981] COND TRUE __VERIFIER_nondet_int() [L982] CALL main1() [L368] int __retres1 ; [L372] CALL init_model1() [L354] q_free = 1 [L355] q_write_ev = 2 [L356] q_read_ev = q_write_ev [L357] p_num_write = 0 [L358] p_dw_pc = 0 [L359] p_dw_i = 1 [L360] c_num_read = 0 [L361] c_dr_pc = 0 [L362] c_dr_i = 1 [L372] RET init_model1() [L373] CALL start_simulation1() [L322] int kernel_st ; [L323] int tmp ; [L327] kernel_st = 0 [L328] CALL init_threads1() [L214] COND TRUE (int )p_dw_i == 1 [L215] p_dw_st = 0 [L219] COND TRUE (int )c_dr_i == 1 [L220] c_dr_st = 0 [L328] RET init_threads1() [L331] COND TRUE 1 [L334] kernel_st = 1 [L335] CALL eval1() [L249] int tmp ; [L250] int tmp___0 ; [L251] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] [L255] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] [L229] int __retres1 ; [L232] COND TRUE (int )p_dw_st == 0 [L233] __retres1 = 1 [L245] return (__retres1); [L258] RET, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, exists_runnable_thread1()=1, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] [L258] tmp___1 = exists_runnable_thread1() [L260] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, tmp___1=1, token=0] [L265] COND TRUE (int )p_dw_st == 0 [L267] tmp = __VERIFIER_nondet_int() [L269] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, tmp=0, tmp___1=1, token=0] [L275] CALL error1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] [L27] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.78ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 38.6MB in the beginning and 74.0MB in the end (delta: -35.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.72ms. Allocated memory is still 107.0MB. Free memory was 74.0MB in the beginning and 71.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.17ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 859.29ms. Allocated memory is still 107.0MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * CodeCheck took 406.81ms. Allocated memory is still 107.0MB. Free memory was 66.8MB in the beginning and 49.5MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 97.99ms. Allocated memory is still 107.0MB. Free memory was 49.5MB in the beginning and 45.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:23:51,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a34ddec-98e8-4e96-ae82-711b383bf522/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE