./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.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_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9644d90a2ff6bf9a93c7ab3816e5f8fa828c7325 ...................................................................................................................................................................................................................................................................................................... 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_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9644d90a2ff6bf9a93c7ab3816e5f8fa828c7325 ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:02,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:02,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:02,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:02,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:02,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:02,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:02,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:02,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:02,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:02,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:02,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:02,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:02,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:02,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:02,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:02,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:02,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:02,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:02,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:02,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:02,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:02,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:02,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:02,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:02,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:02,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:02,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:02,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:02,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:02,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:02,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:02,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:02,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:02,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:02,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:02,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:02,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:02,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:02,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:02,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:02,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:25:02,122 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:02,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:02,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:02,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:02,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:02,124 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:02,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:02,124 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:02,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:02,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:02,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:02,125 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:02,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:02,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:02,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:02,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:02,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:02,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:02,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:02,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:02,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:02,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:02,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:02,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:02,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:02,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:02,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:02,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:02,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:02,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:02,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:02,129 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:02,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:02,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:02,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:02,131 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan 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 -> Taipan 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 -> 9644d90a2ff6bf9a93c7ab3816e5f8fa828c7325 [2019-10-22 11:25:02,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:02,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:02,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:02,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:02,172 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:02,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2019-10-22 11:25:02,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/44807e74b/1afe2fefa17844db82f7c58226c5b5d9/FLAG0b4c6db8b [2019-10-22 11:25:02,656 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:02,657 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2019-10-22 11:25:02,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/44807e74b/1afe2fefa17844db82f7c58226c5b5d9/FLAG0b4c6db8b [2019-10-22 11:25:02,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/44807e74b/1afe2fefa17844db82f7c58226c5b5d9 [2019-10-22 11:25:02,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:02,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:02,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:02,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:02,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:02,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:02" (1/1) ... [2019-10-22 11:25:02,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c160b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:02, skipping insertion in model container [2019-10-22 11:25:02,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:02" (1/1) ... [2019-10-22 11:25:02,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:02,741 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:03,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:03,111 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:03,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:03,222 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:03,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03 WrapperNode [2019-10-22 11:25:03,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:03,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:03,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:03,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:03,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:03,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:03,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:03,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:03,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... [2019-10-22 11:25:03,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:03,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:03,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:03,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:03,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/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 11:25:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:25:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:25:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:25:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:03,377 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 11:25:03,588 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 11:25:03,589 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 11:25:03,591 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 11:25:03,592 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 11:25:03,592 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#3 [2019-10-22 11:25:03,593 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2019-10-22 11:25:03,594 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#4 [2019-10-22 11:25:03,594 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#4 [2019-10-22 11:25:03,595 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#5 [2019-10-22 11:25:03,596 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#5 [2019-10-22 11:25:03,596 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#6 [2019-10-22 11:25:03,597 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#6 [2019-10-22 11:25:03,597 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#7 [2019-10-22 11:25:03,598 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#7 [2019-10-22 11:25:03,599 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#8 [2019-10-22 11:25:03,599 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#8 [2019-10-22 11:25:03,805 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:03,805 INFO L284 CfgBuilder]: Removed 18 assume(true) statements. [2019-10-22 11:25:03,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:03 BoogieIcfgContainer [2019-10-22 11:25:03,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:03,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:03,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:03,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:03,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:02" (1/3) ... [2019-10-22 11:25:03,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46717f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:03, skipping insertion in model container [2019-10-22 11:25:03,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:03" (2/3) ... [2019-10-22 11:25:03,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46717f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:03, skipping insertion in model container [2019-10-22 11:25:03,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:03" (3/3) ... [2019-10-22 11:25:03,815 INFO L109 eAbstractionObserver]: Analyzing ICFG 42_FreeBSD_rdma_addr_sliced.i [2019-10-22 11:25:03,852 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,852 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,853 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,853 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,853 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,853 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,854 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,854 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,854 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,855 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,855 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,855 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,855 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,856 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,856 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,856 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,856 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_addr_unregister_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,856 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,857 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,857 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_rdma_addr_unregister_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,857 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,857 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,857 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,858 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_addr_unregister_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,858 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_rdma_addr_unregister_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,858 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,858 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,859 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_rdma_addr_unregister_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,859 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,859 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,859 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,859 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,860 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,860 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#t~pre3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,860 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_put_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,860 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,860 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,861 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,861 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,861 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_put_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,861 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,861 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,862 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,862 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,862 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,862 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,862 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,863 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,863 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#t~pre3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,863 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,863 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,864 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#t~pre3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,864 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,864 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,865 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,865 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,865 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,866 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,866 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,866 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,866 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,866 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:03,873 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:25:03,873 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:03,881 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2019-10-22 11:25:03,892 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-10-22 11:25:03,911 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:03,911 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:03,911 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:03,911 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:03,911 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:03,912 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:03,912 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:03,912 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:03,923 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 113 transitions [2019-10-22 11:25:03,934 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_thr1 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 11:25:03,939 INFO L168 Benchmark]: Toolchain (without parser) took 1254.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:03,940 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:03,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:03,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.88 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 11:25:03,942 INFO L168 Benchmark]: Boogie Preprocessor took 29.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:03,943 INFO L168 Benchmark]: RCFGBuilder took 507.68 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:03,943 INFO L168 Benchmark]: TraceAbstraction took 129.29 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:03,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.88 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. * Boogie Preprocessor took 29.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 507.68 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 129.29 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: 16.1 MB). Peak memory consumption was 16.1 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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 11:25:06,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:06,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:06,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:06,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:06,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:06,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:06,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:06,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:06,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:06,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:06,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:06,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:06,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:06,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:06,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:06,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:06,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:06,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:06,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:06,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:06,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:06,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:06,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:06,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:06,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:06,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:06,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:06,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:06,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:06,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:06,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:06,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:06,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:06,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:06,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:06,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:06,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:06,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:06,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:06,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:06,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:25:06,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:06,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:06,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:06,237 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:06,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:06,238 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:06,238 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:06,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:06,239 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:06,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:06,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:06,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:06,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:06,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:06,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:06,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:06,241 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:25:06,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:25:06,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:06,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:06,241 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:25:06,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:06,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:06,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:06,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:06,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:06,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:06,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:06,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:06,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:06,244 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:25:06,244 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:25:06,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:06,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:06,245 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_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan 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 -> Taipan 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 -> 9644d90a2ff6bf9a93c7ab3816e5f8fa828c7325 [2019-10-22 11:25:06,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:06,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:06,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:06,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:06,295 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:06,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2019-10-22 11:25:06,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/1adca27cb/735a97dcebc24f8b92644902b741a899/FLAG08f301e32 [2019-10-22 11:25:06,841 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:06,842 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2019-10-22 11:25:06,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/1adca27cb/735a97dcebc24f8b92644902b741a899/FLAG08f301e32 [2019-10-22 11:25:07,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/data/1adca27cb/735a97dcebc24f8b92644902b741a899 [2019-10-22 11:25:07,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:07,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:07,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:07,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:07,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:07,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210406dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07, skipping insertion in model container [2019-10-22 11:25:07,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,162 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:07,211 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:07,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:07,680 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:07,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:07,821 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:07,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07 WrapperNode [2019-10-22 11:25:07,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:07,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:07,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:07,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:07,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:07,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:07,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:07,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:07,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... [2019-10-22 11:25:07,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:07,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:07,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:07,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:07,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9c5abb50-4c47-40c6-963f-448bd78b86eb/bin/utaipan/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 11:25:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:25:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:25:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:25:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:07,982 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 11:25:08,153 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 11:25:08,154 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 11:25:08,156 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-10-22 11:25:08,156 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-10-22 11:25:08,157 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#3 [2019-10-22 11:25:08,157 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2019-10-22 11:25:08,158 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#4 [2019-10-22 11:25:08,159 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#4 [2019-10-22 11:25:08,160 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#5 [2019-10-22 11:25:08,160 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#5 [2019-10-22 11:25:08,161 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#6 [2019-10-22 11:25:08,162 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#6 [2019-10-22 11:25:08,162 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#7 [2019-10-22 11:25:08,163 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#7 [2019-10-22 11:25:08,164 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#8 [2019-10-22 11:25:08,165 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#8 [2019-10-22 11:25:08,448 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:08,448 INFO L284 CfgBuilder]: Removed 18 assume(true) statements. [2019-10-22 11:25:08,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:08 BoogieIcfgContainer [2019-10-22 11:25:08,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:08,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:08,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:08,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:08,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:07" (1/3) ... [2019-10-22 11:25:08,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fc16ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:08, skipping insertion in model container [2019-10-22 11:25:08,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:07" (2/3) ... [2019-10-22 11:25:08,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fc16ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:08, skipping insertion in model container [2019-10-22 11:25:08,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:08" (3/3) ... [2019-10-22 11:25:08,458 INFO L109 eAbstractionObserver]: Analyzing ICFG 42_FreeBSD_rdma_addr_sliced.i [2019-10-22 11:25:08,496 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,496 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,497 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,497 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,497 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,498 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,498 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,498 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,499 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,499 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,499 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,500 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_addr_unregister_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,500 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,500 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,500 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,501 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_rdma_addr_unregister_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,501 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,501 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,501 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_addr_unregister_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_rdma_addr_unregister_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_rdma_addr_unregister_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,503 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,503 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,504 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,504 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#t~pre3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,504 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_put_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,505 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,505 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,505 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,505 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,506 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#in~client| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,506 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_put_client_~client not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,506 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,507 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,507 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,507 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,509 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#t~pre3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,509 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,509 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,510 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,510 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_put_client_#t~pre3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,510 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,511 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,511 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,512 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,512 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,512 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,512 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,513 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,513 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,513 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_rdma_resolve_ip_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:25:08,520 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:25:08,521 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:08,529 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2019-10-22 11:25:08,541 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-10-22 11:25:08,562 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:08,562 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:08,562 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:08,562 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:08,562 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:08,562 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:08,563 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:08,563 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:08,574 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 110 transitions [2019-10-22 11:25:08,586 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_thr1 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 11:25:08,591 INFO L168 Benchmark]: Toolchain (without parser) took 1445.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -133.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:08,592 INFO L168 Benchmark]: CDTParser took 0.23 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 11:25:08,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:08,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.11 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 11:25:08,594 INFO L168 Benchmark]: Boogie Preprocessor took 33.50 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 11:25:08,594 INFO L168 Benchmark]: RCFGBuilder took 537.22 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:08,595 INFO L168 Benchmark]: TraceAbstraction took 138.55 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:08,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 675.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.11 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 33.50 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 537.22 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 138.55 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: 13.2 MB). Peak memory consumption was 13.2 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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...