./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 858eb92d9d907a95e1fa2c95755d1ad33d1f3141 ................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:37:24,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:37:24,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:37:24,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:37:24,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:37:24,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:37:24,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:37:24,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:37:24,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:37:24,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:37:24,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:37:24,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:37:24,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:37:24,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:37:24,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:37:24,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:37:24,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:37:24,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:37:24,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:37:24,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:37:24,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:37:24,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:37:24,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:37:24,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:37:24,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:37:24,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:37:24,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:37:24,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:37:24,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:37:24,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:37:24,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:37:24,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:37:24,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:37:24,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:37:24,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:37:24,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:37:24,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:37:24,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:37:24,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:37:24,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:37:24,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:37:24,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:37:24,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:37:24,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:37:24,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:37:24,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:37:24,393 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:37:24,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:37:24,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:37:24,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:37:24,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:37:24,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:37:24,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:37:24,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:37:24,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:37:24,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:37:24,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:37:24,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:37:24,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:37:24,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:37:24,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:37:24,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:37:24,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:37:24,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:37:24,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:37:24,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:37:24,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:37:24,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:37:24,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:37:24,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:37:24,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:37:24,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2c5a55c3-2a8b-4baa-9b6a-3322de419487/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(__VERIFIER_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 -> 858eb92d9d907a95e1fa2c95755d1ad33d1f3141 [2019-12-07 18:37:24,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:37:24,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:37:24,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:37:24,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:37:24,516 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:37:24,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i [2019-12-07 18:37:24,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/data/c203ca9c7/5fe0feed7105448f9ff86db5ba4f424c/FLAG49e176254 [2019-12-07 18:37:24,944 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:37:24,945 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/sv-benchmarks/c/pthread-wmm/safe030_tso.oepc.i [2019-12-07 18:37:24,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/data/c203ca9c7/5fe0feed7105448f9ff86db5ba4f424c/FLAG49e176254 [2019-12-07 18:37:24,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/data/c203ca9c7/5fe0feed7105448f9ff86db5ba4f424c [2019-12-07 18:37:24,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:37:24,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:37:24,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:24,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:37:24,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:37:24,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:24" (1/1) ... [2019-12-07 18:37:24,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61040381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:24, skipping insertion in model container [2019-12-07 18:37:24,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:24" (1/1) ... [2019-12-07 18:37:24,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:37:25,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:37:25,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:25,253 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:37:25,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:25,328 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:37:25,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25 WrapperNode [2019-12-07 18:37:25,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:25,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:25,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:37:25,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:37:25,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:25,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:37:25,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:37:25,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:37:25,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... [2019-12-07 18:37:25,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:37:25,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:37:25,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:37:25,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:37:25,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/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 [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-07 18:37:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-07 18:37:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-07 18:37:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-07 18:37:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-07 18:37:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-07 18:37:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:37:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:37:25,427 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 18:37:25,599 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:37:25,599 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 18:37:25,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:25 BoogieIcfgContainer [2019-12-07 18:37:25,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:37:25,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:37:25,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:37:25,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:37:25,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:37:24" (1/3) ... [2019-12-07 18:37:25,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423159c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:37:25, skipping insertion in model container [2019-12-07 18:37:25,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:25" (2/3) ... [2019-12-07 18:37:25,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423159c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:37:25, skipping insertion in model container [2019-12-07 18:37:25,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:25" (3/3) ... [2019-12-07 18:37:25,606 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc.i [2019-12-07 18:37:25,612 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 18:37:25,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:37:25,616 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:37:25,617 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 18:37:25,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,634 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,634 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,634 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,635 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,636 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,636 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,636 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,636 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,636 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:25,653 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 18:37:25,667 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:37:25,668 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:37:25,668 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:37:25,668 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:37:25,668 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:37:25,668 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:37:25,668 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:37:25,668 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:37:25,676 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 52 transitions [2019-12-07 18:37:25,677 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions [2019-12-07 18:37:25,705 INFO L134 PetriNetUnfolder]: 1/49 cut-off events. [2019-12-07 18:37:25,705 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:37:25,708 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 49 events. 1/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs. 9/56 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-07 18:37:25,711 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 61 places, 52 transitions [2019-12-07 18:37:25,720 INFO L134 PetriNetUnfolder]: 1/49 cut-off events. [2019-12-07 18:37:25,720 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:37:25,721 INFO L76 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 49 events. 1/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs. 9/56 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-07 18:37:25,723 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-07 18:37:25,724 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 18:37:26,552 INFO L206 etLargeBlockEncoding]: Checked pairs total: 449 [2019-12-07 18:37:26,552 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-12-07 18:37:26,555 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-12-07 18:37:26,562 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-12-07 18:37:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-12-07 18:37:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 18:37:26,568 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:26,569 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:26,569 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:26,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:26,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1341354071, now seen corresponding path program 1 times [2019-12-07 18:37:26,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:26,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944355450] [2019-12-07 18:37:26,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:26,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944355450] [2019-12-07 18:37:26,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:26,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 18:37:26,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644783768] [2019-12-07 18:37:26,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:37:26,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:26,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:37:26,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:37:26,766 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-12-07 18:37:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:26,783 INFO L93 Difference]: Finished difference Result 38 states and 76 transitions. [2019-12-07 18:37:26,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:37:26,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-07 18:37:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:26,789 INFO L225 Difference]: With dead ends: 38 [2019-12-07 18:37:26,789 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:37:26,790 INFO L630 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 [2019-12-07 18:37:26,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:37:26,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:37:26,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:37:26,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:37:26,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-12-07 18:37:26,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:26,807 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:37:26,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:37:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:37:26,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:37:26,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:37:26 BasicIcfg [2019-12-07 18:37:26,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:37:26,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:37:26,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:37:26,811 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:37:26,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:25" (3/4) ... [2019-12-07 18:37:26,813 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:37:26,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-12-07 18:37:26,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-12-07 18:37:26,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-12-07 18:37:26,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 18:37:26,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 18:37:26,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:37:26,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c5a55c3-2a8b-4baa-9b6a-3322de419487/bin/uautomizer/witness.graphml [2019-12-07 18:37:26,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:37:26,856 INFO L168 Benchmark]: Toolchain (without parser) took 1891.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 935.5 MB in the beginning and 833.0 MB in the end (delta: 102.5 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:26,856 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:26,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:26,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:26,858 INFO L168 Benchmark]: Boogie Preprocessor took 17.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:26,858 INFO L168 Benchmark]: RCFGBuilder took 221.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:26,859 INFO L168 Benchmark]: TraceAbstraction took 1209.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 837.0 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:26,859 INFO L168 Benchmark]: Witness Printer took 44.21 ms. Allocated memory is still 1.1 GB. Free memory was 837.0 MB in the beginning and 833.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:26,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 221.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1209.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 837.0 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.21 ms. Allocated memory is still 1.1 GB. Free memory was 837.0 MB in the beginning and 833.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 61 ProgramPointsBefore, 21 ProgramPointsAfterwards, 52 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 12 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 228 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 449 CheckedPairsTotal, 44 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 52 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...