./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_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_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/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 ac88cf7ce86c225846859791b80da882302d0035 ........................................................................................................................................................................................................................................................................................ 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_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/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 ac88cf7ce86c225846859791b80da882302d0035 ......................................................................................................................................................................................................................................................................................... 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 09:02:31,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:31,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:31,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:31,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:31,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:31,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:31,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:31,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:31,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:31,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:31,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:31,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:31,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:31,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:31,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:31,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:31,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:31,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:31,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:31,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:31,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:31,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:31,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:31,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:31,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:31,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:31,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:31,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:31,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:31,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:31,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:31,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:31,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:31,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:31,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:31,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:31,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:31,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:31,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:31,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:31,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:31,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:31,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:31,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:31,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:31,597 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:31,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:31,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:31,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:31,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:31,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:31,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:31,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:31,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:31,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:31,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:31,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:31,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:31,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:31,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:31,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:31,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:31,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:31,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:31,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:31,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:31,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:31,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:31,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:31,601 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_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/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 -> ac88cf7ce86c225846859791b80da882302d0035 [2019-10-22 09:02:31,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:31,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:31,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:31,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:31,653 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:31,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-10-22 09:02:31,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/ca0c756bb/f47a49853ecd4458a1647e8e88f699df/FLAGcc25592e1 [2019-10-22 09:02:32,191 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:32,191 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-10-22 09:02:32,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/ca0c756bb/f47a49853ecd4458a1647e8e88f699df/FLAGcc25592e1 [2019-10-22 09:02:32,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/ca0c756bb/f47a49853ecd4458a1647e8e88f699df [2019-10-22 09:02:32,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:32,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:32,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:32,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:32,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:32,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683ad6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32, skipping insertion in model container [2019-10-22 09:02:32,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,230 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:32,266 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:32,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:32,669 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:32,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:32,779 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:32,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32 WrapperNode [2019-10-22 09:02:32,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:32,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:32,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:32,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:32,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:32,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:32,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:32,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:32,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:32,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:32,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:32,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:32,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/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 09:02:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 09:02:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 09:02:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 09:02:32,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 09:02:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:32,925 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 09:02:33,060 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 09:02:33,060 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-10-22 09:02:33,060 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-10-22 09:02:33,061 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 09:02:33,061 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 09:02:33,061 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-10-22 09:02:33,062 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-10-22 09:02:33,062 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 09:02:33,137 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 09:02:33,137 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 09:02:33,139 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 09:02:33,140 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 09:02:33,231 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:33,231 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 09:02:33,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:33 BoogieIcfgContainer [2019-10-22 09:02:33,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:33,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:33,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:33,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:33,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:32" (1/3) ... [2019-10-22 09:02:33,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0d216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:33, skipping insertion in model container [2019-10-22 09:02:33,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (2/3) ... [2019-10-22 09:02:33,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0d216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:33, skipping insertion in model container [2019-10-22 09:02:33,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:33" (3/3) ... [2019-10-22 09:02:33,240 INFO L109 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs.i [2019-10-22 09:02:33,281 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,282 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,282 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,282 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,283 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,283 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,283 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,283 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,284 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,285 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,285 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,285 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,285 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,285 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,286 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,286 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,286 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,287 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,287 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,288 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,288 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,288 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,289 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,289 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,289 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,289 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,290 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,290 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,290 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,290 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,290 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,290 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,291 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,291 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,292 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,292 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,292 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,293 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,293 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,293 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,293 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,294 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 09:02:33,300 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 09:02:33,300 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:33,308 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 09:02:33,319 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 09:02:33,338 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:33,338 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:33,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:33,339 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:33,339 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:33,339 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:33,339 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:33,339 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:33,346 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 44 transitions [2019-10-22 09:02:33,367 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 09:02:33,378 INFO L168 Benchmark]: Toolchain (without parser) took 1161.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -105.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,378 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 09:02:33,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.06 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,380 INFO L168 Benchmark]: Boogie Preprocessor took 30.54 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,384 INFO L168 Benchmark]: RCFGBuilder took 373.26 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,385 INFO L168 Benchmark]: TraceAbstraction took 142.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:33,388 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 563.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.06 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.54 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 373.26 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 142.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 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 09:02:35,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:35,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:35,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:35,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:35,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:35,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:35,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:35,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:35,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:35,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:35,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:35,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:35,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:35,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:35,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:35,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:35,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:35,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:35,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:35,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:35,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:35,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:35,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:35,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:35,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:35,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:35,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:35,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:35,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:35,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:35,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:35,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:35,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:35,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:35,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:35,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:35,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:35,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:35,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:35,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:35,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:02:35,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:35,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:35,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:35,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:35,464 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:35,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:35,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:35,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:35,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:35,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:35,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:35,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:35,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:35,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:35,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:35,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:35,468 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:02:35,468 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:02:35,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:35,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:02:35,468 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_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/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 -> ac88cf7ce86c225846859791b80da882302d0035 [2019-10-22 09:02:35,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:35,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:35,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:35,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:35,511 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:35,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-10-22 09:02:35,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/027c74f53/534d9c855a5340c6a35e1c4c70530d26/FLAGc8e20e9f3 [2019-10-22 09:02:36,027 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:36,032 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-10-22 09:02:36,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/027c74f53/534d9c855a5340c6a35e1c4c70530d26/FLAGc8e20e9f3 [2019-10-22 09:02:36,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/bin/uautomizer/data/027c74f53/534d9c855a5340c6a35e1c4c70530d26 [2019-10-22 09:02:36,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:36,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:36,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:36,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:36,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:36,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5a4d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:36, skipping insertion in model container [2019-10-22 09:02:36,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:36" (1/1) ... [2019-10-22 09:02:36,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:36,601 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:36,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:37,027 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:37,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:37,145 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:37,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37 WrapperNode [2019-10-22 09:02:37,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:37,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:37,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:37,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:37,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:37,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:37,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:37,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:37,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... [2019-10-22 09:02:37,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:37,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:37,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:37,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:37,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f1be91d-a0b8-4afc-98f7-1b196e39eae1/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 09:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 09:02:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 09:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 09:02:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 09:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:02:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 09:02:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:37,285 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 09:02:37,418 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 09:02:37,418 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-10-22 09:02:37,418 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-10-22 09:02:37,419 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 09:02:37,419 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 09:02:37,420 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-10-22 09:02:37,420 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-10-22 09:02:37,420 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 09:02:37,504 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 09:02:37,504 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 09:02:37,506 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 09:02:37,507 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 09:02:37,597 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:37,597 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 09:02:37,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:37 BoogieIcfgContainer [2019-10-22 09:02:37,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:37,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:37,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:37,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:37,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:36" (1/3) ... [2019-10-22 09:02:37,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f183288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:37, skipping insertion in model container [2019-10-22 09:02:37,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:37" (2/3) ... [2019-10-22 09:02:37,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f183288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:37, skipping insertion in model container [2019-10-22 09:02:37,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:37" (3/3) ... [2019-10-22 09:02:37,607 INFO L109 eAbstractionObserver]: Analyzing ICFG 33_double_lock_p1_vs.i [2019-10-22 09:02:37,641 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,641 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,641 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,642 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,642 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,642 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,642 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,642 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,643 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,644 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,644 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,644 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,645 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,645 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,645 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,645 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_dec_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,646 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_inc_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,647 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,647 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,647 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,648 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,648 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,648 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,648 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,649 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,649 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,649 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,649 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,650 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,650 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,650 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,650 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,650 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,651 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,651 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,651 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,651 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,652 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,652 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,652 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,652 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_atomic_release_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:37,659 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 09:02:37,659 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:37,666 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 09:02:37,676 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 09:02:37,693 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:37,693 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:37,693 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:37,694 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:37,694 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:37,694 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:37,694 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:37,694 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:37,703 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 43 transitions [2019-10-22 09:02:37,723 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 09:02:37,732 INFO L168 Benchmark]: Toolchain (without parser) took 1191.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:37,732 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:37,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:37,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.20 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 09:02:37,734 INFO L168 Benchmark]: Boogie Preprocessor took 28.02 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 09:02:37,734 INFO L168 Benchmark]: RCFGBuilder took 375.71 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:37,735 INFO L168 Benchmark]: TraceAbstraction took 130.73 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:37,741 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 605.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.20 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. * Boogie Preprocessor took 28.02 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 375.71 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130.73 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: 13.0 MB). Peak memory consumption was 13.0 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...