./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe033_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer --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 d42bddfcecb2f8cb3a03cc6ec5a52173f9807a87 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:25,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:25,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:25,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:25,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:25,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:25,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:25,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:25,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:25,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:25,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:25,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:25,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:25,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:25,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:25,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:25,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:25,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:25,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:25,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:25,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:25,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:25,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:25,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:25,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:25,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:25,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:25,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:25,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:25,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:25,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:25,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:25,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:25,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:25,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:25,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:25,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:25,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:25,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:25,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:25,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:25,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:25,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:25,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:25,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:25,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:25,565 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:25,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:25,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:25,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:25,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:25,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:25,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:25,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:25,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:25,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:25,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:25,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:25,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:25,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:25,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:25,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:25,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:25,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:25,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:25,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:25,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:25,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:25,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:25,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:25,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:25,574 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-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d42bddfcecb2f8cb3a03cc6ec5a52173f9807a87 [2020-11-28 02:58:25,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:25,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:25,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:25,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:25,834 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:25,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe033_pso.oepc.i [2020-11-28 02:58:25,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/data/328d5b0c0/a797abaaa9d04003878d461257344464/FLAG7b30881ac [2020-11-28 02:58:26,443 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:26,444 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/sv-benchmarks/c/pthread-wmm/safe033_pso.oepc.i [2020-11-28 02:58:26,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/data/328d5b0c0/a797abaaa9d04003878d461257344464/FLAG7b30881ac [2020-11-28 02:58:26,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/data/328d5b0c0/a797abaaa9d04003878d461257344464 [2020-11-28 02:58:26,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:26,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:26,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:26,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:26,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:26,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736ff7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26, skipping insertion in model container [2020-11-28 02:58:26,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:26,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:27,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:27,281 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:27,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:27,429 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:27,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27 WrapperNode [2020-11-28 02:58:27,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:27,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:27,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:27,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:27,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:27,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:27,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:27,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:27,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... [2020-11-28 02:58:27,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:27,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:27,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:27,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:27,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:58:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 02:58:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:58:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-28 02:58:27,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-28 02:58:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-28 02:58:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-28 02:58:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 02:58:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:27,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:27,636 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 02:58:30,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:30,016 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-28 02:58:30,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:30 BoogieIcfgContainer [2020-11-28 02:58:30,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:30,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:30,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:30,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:30,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:26" (1/3) ... [2020-11-28 02:58:30,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25aa405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:30, skipping insertion in model container [2020-11-28 02:58:30,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:27" (2/3) ... [2020-11-28 02:58:30,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25aa405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:30, skipping insertion in model container [2020-11-28 02:58:30,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:30" (3/3) ... [2020-11-28 02:58:30,029 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_pso.oepc.i [2020-11-28 02:58:30,046 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 02:58:30,046 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:30,051 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 02:58:30,051 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 02:58:30,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,088 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,088 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,102 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,103 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 02:58:30,126 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-28 02:58:30,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-28 02:58:30,172 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:30,172 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:30,172 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:30,173 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:30,173 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:30,173 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:30,173 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:30,173 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:30,192 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 02:58:30,195 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 176 flow [2020-11-28 02:58:30,198 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 176 flow [2020-11-28 02:58:30,200 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 176 flow [2020-11-28 02:58:30,270 INFO L129 PetriNetUnfolder]: 3/81 cut-off events. [2020-11-28 02:58:30,270 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-28 02:58:30,275 INFO L80 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 3/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2020-11-28 02:58:30,280 INFO L116 LiptonReduction]: Number of co-enabled transitions 956 [2020-11-28 02:58:30,444 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-28 02:58:30,445 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,704 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,705 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,707 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,717 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,717 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,721 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,747 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,751 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,758 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,842 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,843 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,849 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,869 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,887 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:30,896 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:30,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:30,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:30,906 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:31,685 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-28 02:58:31,809 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-28 02:58:32,314 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,316 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,316 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,319 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,319 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,321 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,322 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,340 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,341 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,342 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,344 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,345 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:32,347 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,348 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:32,416 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,416 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,417 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,418 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,420 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,421 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:32,423 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:32,438 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,438 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,439 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,441 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,443 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,443 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,501 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:32,501 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 02:58:32,504 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 02:58:32,504 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,546 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,547 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,549 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 02:58:32,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:32,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:32,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:32,555 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 02:58:32,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:32,558 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 02:58:32,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,562 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:32,563 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,565 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:32,566 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,821 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-28 02:58:32,957 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-28 02:58:32,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,990 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:32,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:32,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:32,994 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:32,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,019 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,020 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,023 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:33,025 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:33,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:33,178 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,179 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,180 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,181 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,182 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:33,186 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:33,186 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:58:33,200 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:33,200 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,201 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,203 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,205 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-28 02:58:33,205 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 02:58:33,256 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 02:58:33,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,284 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,298 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:33,300 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:33,302 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,302 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:33,304 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 02:58:33,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,307 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,309 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,587 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-28 02:58:33,587 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,605 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:33,607 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:33,609 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,609 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-28 02:58:33,611 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-28 02:58:33,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,612 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,614 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:58:33,656 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-28 02:58:33,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-28 02:58:33,659 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-28 02:58:33,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 02:58:33,814 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-28 02:58:34,185 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-28 02:58:34,299 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-28 02:58:34,758 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-11-28 02:58:34,920 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-28 02:58:34,924 INFO L131 LiptonReduction]: Checked pairs total: 2109 [2020-11-28 02:58:34,924 INFO L133 LiptonReduction]: Total number of compositions: 75 [2020-11-28 02:58:34,932 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 20 transitions, 50 flow [2020-11-28 02:58:34,947 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 154 states. [2020-11-28 02:58:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-11-28 02:58:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 02:58:34,954 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:34,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 02:58:34,955 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:34,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:34,960 INFO L82 PathProgramCache]: Analyzing trace with hash 816470501, now seen corresponding path program 1 times [2020-11-28 02:58:34,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:34,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750370269] [2020-11-28 02:58:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:35,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750370269] [2020-11-28 02:58:35,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:35,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 02:58:35,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211935845] [2020-11-28 02:58:35,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:35,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:35,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:35,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:35,293 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-11-28 02:58:35,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:35,382 INFO L93 Difference]: Finished difference Result 130 states and 302 transitions. [2020-11-28 02:58:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:35,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-28 02:58:35,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:35,400 INFO L225 Difference]: With dead ends: 130 [2020-11-28 02:58:35,400 INFO L226 Difference]: Without dead ends: 110 [2020-11-28 02:58:35,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:35,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-28 02:58:35,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-28 02:58:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-28 02:58:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 251 transitions. [2020-11-28 02:58:35,468 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 251 transitions. Word has length 5 [2020-11-28 02:58:35,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:35,469 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 251 transitions. [2020-11-28 02:58:35,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:35,470 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 251 transitions. [2020-11-28 02:58:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 02:58:35,473 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:35,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:35,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:35,473 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:35,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:35,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1074086527, now seen corresponding path program 1 times [2020-11-28 02:58:35,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:35,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325146999] [2020-11-28 02:58:35,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:35,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325146999] [2020-11-28 02:58:35,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:35,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:35,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964340450] [2020-11-28 02:58:35,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:35,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:35,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:35,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:35,656 INFO L87 Difference]: Start difference. First operand 110 states and 251 transitions. Second operand 4 states. [2020-11-28 02:58:35,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:35,696 INFO L93 Difference]: Finished difference Result 174 states and 367 transitions. [2020-11-28 02:58:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:35,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-28 02:58:35,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:35,699 INFO L225 Difference]: With dead ends: 174 [2020-11-28 02:58:35,699 INFO L226 Difference]: Without dead ends: 118 [2020-11-28 02:58:35,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:35,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-11-28 02:58:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2020-11-28 02:58:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-28 02:58:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 214 transitions. [2020-11-28 02:58:35,712 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 214 transitions. Word has length 8 [2020-11-28 02:58:35,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:35,712 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 214 transitions. [2020-11-28 02:58:35,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 214 transitions. [2020-11-28 02:58:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:58:35,714 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:35,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:35,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:35,714 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:35,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:35,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1066297943, now seen corresponding path program 1 times [2020-11-28 02:58:35,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:35,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717974804] [2020-11-28 02:58:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:35,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717974804] [2020-11-28 02:58:35,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:35,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:35,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012773139] [2020-11-28 02:58:35,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:35,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:35,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:35,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:35,850 INFO L87 Difference]: Start difference. First operand 100 states and 214 transitions. Second operand 4 states. [2020-11-28 02:58:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:35,879 INFO L93 Difference]: Finished difference Result 80 states and 138 transitions. [2020-11-28 02:58:35,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:35,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 02:58:35,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:35,883 INFO L225 Difference]: With dead ends: 80 [2020-11-28 02:58:35,883 INFO L226 Difference]: Without dead ends: 60 [2020-11-28 02:58:35,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:35,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-28 02:58:35,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-28 02:58:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 02:58:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 98 transitions. [2020-11-28 02:58:35,892 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 98 transitions. Word has length 9 [2020-11-28 02:58:35,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:35,892 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 98 transitions. [2020-11-28 02:58:35,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 98 transitions. [2020-11-28 02:58:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:58:35,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:35,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:35,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:35,893 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:35,894 INFO L82 PathProgramCache]: Analyzing trace with hash 264438123, now seen corresponding path program 1 times [2020-11-28 02:58:35,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:35,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163765194] [2020-11-28 02:58:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:36,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163765194] [2020-11-28 02:58:36,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:36,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:36,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272884890] [2020-11-28 02:58:36,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:36,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:36,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:36,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:36,075 INFO L87 Difference]: Start difference. First operand 60 states and 98 transitions. Second operand 5 states. [2020-11-28 02:58:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:36,116 INFO L93 Difference]: Finished difference Result 42 states and 61 transitions. [2020-11-28 02:58:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:36,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-28 02:58:36,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:36,117 INFO L225 Difference]: With dead ends: 42 [2020-11-28 02:58:36,117 INFO L226 Difference]: Without dead ends: 22 [2020-11-28 02:58:36,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:58:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-28 02:58:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-28 02:58:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 02:58:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-11-28 02:58:36,119 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 11 [2020-11-28 02:58:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:36,119 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-11-28 02:58:36,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-11-28 02:58:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 02:58:36,120 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:36,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:36,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:36,120 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:36,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:36,120 INFO L82 PathProgramCache]: Analyzing trace with hash 257332582, now seen corresponding path program 1 times [2020-11-28 02:58:36,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:36,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938403251] [2020-11-28 02:58:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:36,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:36,222 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:36,265 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:36,265 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:58:36,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:36,288 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,288 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,289 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,289 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [766] [2020-11-28 02:58:36,291 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,291 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,292 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,292 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,293 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,293 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,294 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,294 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,294 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,294 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,294 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,294 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,295 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,295 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,295 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,296 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,296 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,296 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,297 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,297 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,297 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,298 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,299 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,299 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,299 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,299 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,300 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,307 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,308 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,308 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,308 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,308 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,311 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,312 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,312 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,312 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,312 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,313 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,313 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:36 BasicIcfg [2020-11-28 02:58:36,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:36,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:36,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:36,358 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:36,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:30" (3/4) ... [2020-11-28 02:58:36,360 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 02:58:36,368 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,368 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,368 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,369 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [766] [2020-11-28 02:58:36,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-28 02:58:36,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-28 02:58:36,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8286f8b9-5de0-4b61-8bd3-88ded561a3c1/bin/uautomizer/witness.graphml [2020-11-28 02:58:36,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:36,480 INFO L168 Benchmark]: Toolchain (without parser) took 9755.40 ms. Allocated memory was 113.2 MB in the beginning and 201.3 MB in the end (delta: 88.1 MB). Free memory was 82.2 MB in the beginning and 76.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 91.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,481 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:36,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.37 ms. Allocated memory is still 113.2 MB. Free memory was 82.2 MB in the beginning and 67.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 113.2 MB. Free memory was 67.4 MB in the beginning and 64.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,482 INFO L168 Benchmark]: Boogie Preprocessor took 48.47 ms. Allocated memory is still 113.2 MB. Free memory was 64.9 MB in the beginning and 63.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,482 INFO L168 Benchmark]: RCFGBuilder took 2483.10 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 62.9 MB in the beginning and 67.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,483 INFO L168 Benchmark]: TraceAbstraction took 6337.77 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 66.4 MB in the beginning and 88.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,483 INFO L168 Benchmark]: Witness Printer took 121.15 ms. Allocated memory is still 201.3 MB. Free memory was 88.4 MB in the beginning and 76.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 704.37 ms. Allocated memory is still 113.2 MB. Free memory was 82.2 MB in the beginning and 67.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 113.2 MB. Free memory was 67.4 MB in the beginning and 64.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.47 ms. Allocated memory is still 113.2 MB. Free memory was 64.9 MB in the beginning and 63.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2483.10 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 62.9 MB in the beginning and 67.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6337.77 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 66.4 MB in the beginning and 88.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Witness Printer took 121.15 ms. Allocated memory is still 201.3 MB. Free memory was 88.4 MB in the beginning and 76.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 643 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 32 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 48 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.7s, 87 PlacesBefore, 26 PlacesAfterwards, 83 TransitionsBefore, 20 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 75 TotalNumberOfCompositions, 2109 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L716] 0 _Bool x$flush_delayed; [L717] 0 int x$mem_tmp; [L718] 0 _Bool x$r_buff0_thd0; [L719] 0 _Bool x$r_buff0_thd1; [L720] 0 _Bool x$r_buff0_thd2; [L721] 0 _Bool x$r_buff1_thd0; [L722] 0 _Bool x$r_buff1_thd1; [L723] 0 _Bool x$r_buff1_thd2; [L724] 0 _Bool x$read_delayed; [L725] 0 int *x$read_delayed_var; [L726] 0 int x$w_buff0; [L727] 0 _Bool x$w_buff0_used; [L728] 0 int x$w_buff1; [L729] 0 _Bool x$w_buff1_used; [L731] 0 int y = 0; [L732] 0 _Bool weak$$choice0; [L733] 0 _Bool weak$$choice2; [L803] 0 pthread_t t2565; [L804] FCALL, FORK 0 pthread_create(&t2565, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L805] 0 pthread_t t2566; [L806] FCALL, FORK 0 pthread_create(&t2566, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L767] 2 x$w_buff1 = x$w_buff0 [L768] 2 x$w_buff0 = 1 [L769] 2 x$w_buff1_used = x$w_buff0_used [L770] 2 x$w_buff0_used = (_Bool)1 [L19] COND TRUE 2 !expression [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "safe033_pso.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) [L772] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L773] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L774] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L775] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L778] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L737] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L742] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L743] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L744] 1 x$flush_delayed = weak$$choice2 [L745] 1 x$mem_tmp = x [L746] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L746] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L746] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L747] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L747] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L748] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L748] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L749] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L749] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L749] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L749] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L750] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L750] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L751] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L751] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L752] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L752] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L753] 1 __unbuffered_p0_EAX = x [L754] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L754] 1 x = x$flush_delayed ? x$mem_tmp : x [L755] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L785] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L785] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L788] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L790] 2 return 0; [L808] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L814] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L816] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L816] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "safe033_pso.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 72 SDtfs, 59 SDslu, 90 SDs, 0 SdLazy, 47 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...