./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/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 92b537c19e93936c627f40c0919a7120398cdd58 ......................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/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 92b537c19e93936c627f40c0919a7120398cdd58 .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:11,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:11,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:11,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:11,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:11,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:11,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:11,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:11,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:11,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:11,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:11,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:11,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:11,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:11,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:11,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:11,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:11,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:11,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:11,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:11,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:11,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:11,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:11,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:11,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:11,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:11,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:11,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:11,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:11,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:11,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:11,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:11,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:11,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:11,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:11,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:11,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:11,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:11,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:11,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:11,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:11,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:11,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:11,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:11,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:11,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:11,489 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:11,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:11,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:11,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:11,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:11,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:11,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:11,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:11,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:11,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:11,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:11,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:11,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:11,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:11,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:11,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:11,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:11,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:11,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:11,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:11,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:11,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:11,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:11,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:11,493 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/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/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 -> 92b537c19e93936c627f40c0919a7120398cdd58 [2019-10-22 08:54:11,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:11,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:11,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:11,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:11,544 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:11,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-10-22 08:54:11,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/40d46bfa6/546569bcfe3a46b1a05933ff4e506b5b/FLAGe81389c64 [2019-10-22 08:54:12,021 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:12,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-10-22 08:54:12,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/40d46bfa6/546569bcfe3a46b1a05933ff4e506b5b/FLAGe81389c64 [2019-10-22 08:54:12,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/40d46bfa6/546569bcfe3a46b1a05933ff4e506b5b [2019-10-22 08:54:12,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:12,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:12,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:12,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:12,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d4c398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,396 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:12,429 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:12,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,786 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:12,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,890 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:12,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12 WrapperNode [2019-10-22 08:54:12,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:12,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:12,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:12,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:12,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:12,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:12,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:12,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/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 [2019-10-22 08:54:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:54:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 08:54:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 08:54:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 08:54:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 08:54:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:54:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:13,036 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:54:13,166 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:54:13,167 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:54:13,167 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 08:54:13,168 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 08:54:13,305 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:54:13,306 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:54:13,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:13,372 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:54:13,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:13 BoogieIcfgContainer [2019-10-22 08:54:13,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:13,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:13,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:13,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:13,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:12" (1/3) ... [2019-10-22 08:54:13,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7621a837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:13, skipping insertion in model container [2019-10-22 08:54:13,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (2/3) ... [2019-10-22 08:54:13,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7621a837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:13, skipping insertion in model container [2019-10-22 08:54:13,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:13" (3/3) ... [2019-10-22 08:54:13,380 INFO L109 eAbstractionObserver]: Analyzing ICFG 35_double_lock_p3_vs.i [2019-10-22 08:54:13,411 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,411 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,411 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,411 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,412 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,412 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,412 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,412 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,412 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,413 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,414 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,414 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,414 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,414 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,415 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,415 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,415 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,416 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,417 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,417 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,417 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,417 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,417 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,418 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,418 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,418 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,418 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,418 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,419 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,419 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,419 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,419 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,419 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,420 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,420 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,420 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,420 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,420 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,420 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,421 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,422 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,422 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,422 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,422 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,422 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:13,428 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:54:13,428 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:13,436 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 08:54:13,446 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 08:54:13,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:13,465 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:13,465 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:13,465 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:13,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:13,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:13,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:13,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:13,474 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 54 transitions [2019-10-22 08:54:13,499 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:54:13,506 INFO L168 Benchmark]: Toolchain (without parser) took 1124.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,507 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:13,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,511 INFO L168 Benchmark]: Boogie Preprocessor took 31.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,512 INFO L168 Benchmark]: RCFGBuilder took 406.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,512 INFO L168 Benchmark]: TraceAbstraction took 130.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,515 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 508.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 406.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:15,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:15,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:15,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:15,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:15,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:15,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:15,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:15,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:15,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:15,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:15,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:15,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:15,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:15,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:15,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:15,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:15,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:15,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:15,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:15,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:15,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:15,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:15,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:15,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:15,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:15,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:15,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:15,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:15,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:15,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:15,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:15,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:15,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:15,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:15,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:15,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:15,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:15,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:15,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:15,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:15,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:54:15,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:15,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:15,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:15,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:15,777 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:15,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:15,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:15,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:15,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:15,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:15,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:15,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:15,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:15,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:15,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:15,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:15,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:15,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:15,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:15,782 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:54:15,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:54:15,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:15,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:54:15,783 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/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 -> 92b537c19e93936c627f40c0919a7120398cdd58 [2019-10-22 08:54:15,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:15,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:15,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:15,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:15,846 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:15,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-10-22 08:54:15,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/301326b90/b070abe19c7341c1a654a3bc083cb53b/FLAGddf90e5bf [2019-10-22 08:54:16,346 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:16,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-10-22 08:54:16,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/301326b90/b070abe19c7341c1a654a3bc083cb53b/FLAGddf90e5bf [2019-10-22 08:54:16,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/bin/uautomizer/data/301326b90/b070abe19c7341c1a654a3bc083cb53b [2019-10-22 08:54:16,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:16,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:16,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:16,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:16,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:16,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d413584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16, skipping insertion in model container [2019-10-22 08:54:16,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:16,426 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:16,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:16,815 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:16,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:16,934 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:16,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16 WrapperNode [2019-10-22 08:54:16,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:16,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:16,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:16,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:16,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:16,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:16,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:16,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:16,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:16,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:17,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:17,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:17,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:17,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:17,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... [2019-10-22 08:54:17,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:17,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:17,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:17,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:17,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8681e80a-84a1-4bf7-a710-28a854d3b98e/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 [2019-10-22 08:54:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:54:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 08:54:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 08:54:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 08:54:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 08:54:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:54:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:54:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 08:54:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:17,078 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:54:17,206 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:54:17,207 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:54:17,208 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 08:54:17,208 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 08:54:17,289 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:54:17,291 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:54:17,346 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:17,346 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:54:17,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:17 BoogieIcfgContainer [2019-10-22 08:54:17,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:17,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:17,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:17,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:17,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:16" (1/3) ... [2019-10-22 08:54:17,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d272954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:17, skipping insertion in model container [2019-10-22 08:54:17,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:16" (2/3) ... [2019-10-22 08:54:17,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d272954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:17, skipping insertion in model container [2019-10-22 08:54:17,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:17" (3/3) ... [2019-10-22 08:54:17,355 INFO L109 eAbstractionObserver]: Analyzing ICFG 35_double_lock_p3_vs.i [2019-10-22 08:54:17,387 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,388 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,388 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,388 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,388 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,388 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,389 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,390 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,390 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,390 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,390 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,390 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,391 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,391 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,391 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,391 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,391 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,392 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,392 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,393 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,393 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,393 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,393 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,393 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,393 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,394 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,394 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,394 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,395 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,395 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,395 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,395 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,395 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,395 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,396 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_my_thread1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,396 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,396 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,396 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,396 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,397 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,397 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,397 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,397 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,397 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,397 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,398 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,398 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,398 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,398 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,398 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,399 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,399 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:54:17,405 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:54:17,406 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:17,412 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 08:54:17,422 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 08:54:17,439 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:17,439 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:17,439 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:17,439 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:17,439 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:17,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:17,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:17,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:17,448 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 53 transitions [2019-10-22 08:54:17,468 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:54:17,479 INFO L168 Benchmark]: Toolchain (without parser) took 1101.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -126.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,479 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,480 INFO L168 Benchmark]: Boogie Preprocessor took 29.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,481 INFO L168 Benchmark]: RCFGBuilder took 326.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,482 INFO L168 Benchmark]: TraceAbstraction took 128.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,484 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 558.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 326.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 128.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...