./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.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_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/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 8344e7e4f737b63e5072d4c79eca78f8b48531d5 ......................................................................................................................................................................................................................................................................................... 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_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/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 8344e7e4f737b63e5072d4c79eca78f8b48531d5 ........................................................................................................................................................................................................................................................................................ 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 11:24:05,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:05,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:05,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:05,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:05,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:05,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:05,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:05,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:05,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:05,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:05,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:05,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:05,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:05,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:05,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:05,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:05,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:05,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:05,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:05,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:05,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:05,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:05,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:05,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:05,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:05,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:05,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:05,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:05,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:05,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:05,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:05,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:05,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:05,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:05,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:05,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:05,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:05,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:05,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:05,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:05,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:05,148 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:05,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:05,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:05,154 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:05,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:05,154 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:05,155 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:05,155 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:05,155 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:05,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:05,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:05,156 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:05,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:05,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:05,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:05,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:05,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:05,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:05,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:05,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:05,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:05,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:05,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:05,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:05,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:05,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:05,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:05,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:05,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:05,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:05,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:05,161 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:05,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:05,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:05,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:05,166 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_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/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 -> 8344e7e4f737b63e5072d4c79eca78f8b48531d5 [2019-10-22 11:24:05,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:05,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:05,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:05,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:05,228 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:05,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-10-22 11:24:05,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/e6c3ec6ec/6128a5ed050249bd8821ccfa642b435f/FLAG952c72863 [2019-10-22 11:24:05,724 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:05,725 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-10-22 11:24:05,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/e6c3ec6ec/6128a5ed050249bd8821ccfa642b435f/FLAG952c72863 [2019-10-22 11:24:05,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/e6c3ec6ec/6128a5ed050249bd8821ccfa642b435f [2019-10-22 11:24:05,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:05,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:05,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:05,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:05,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:05,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:05" (1/1) ... [2019-10-22 11:24:05,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc74767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:05, skipping insertion in model container [2019-10-22 11:24:05,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:05" (1/1) ... [2019-10-22 11:24:05,764 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:05,800 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:06,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:06,291 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:06,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:06,422 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:06,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06 WrapperNode [2019-10-22 11:24:06,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:06,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:06,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:06,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:06,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:06,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:06,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:06,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:06,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... [2019-10-22 11:24:06,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:06,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:06,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:06,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:06,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/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 11:24:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:24:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:24:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:24:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:24:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:06,612 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 11:24:06,946 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:06,946 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:24:06,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:06 BoogieIcfgContainer [2019-10-22 11:24:06,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:06,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:06,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:06,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:06,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:05" (1/3) ... [2019-10-22 11:24:06,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e7b9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:06, skipping insertion in model container [2019-10-22 11:24:06,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:06" (2/3) ... [2019-10-22 11:24:06,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e7b9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:06, skipping insertion in model container [2019-10-22 11:24:06,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:06" (3/3) ... [2019-10-22 11:24:06,954 INFO L109 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2019-10-22 11:24:06,980 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,980 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,980 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,980 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,980 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,980 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,981 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,981 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,981 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,981 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,981 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,982 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,982 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,982 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,982 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,982 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,982 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,983 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,983 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,983 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,983 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,983 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,983 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,984 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,984 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,984 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,984 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,984 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,984 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,985 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,985 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,985 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,985 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,985 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,985 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,986 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,986 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,986 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,986 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,986 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,986 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,987 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,987 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,987 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,987 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,987 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,987 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,988 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,988 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,988 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,988 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,988 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,988 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,989 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,990 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,990 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,990 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,990 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,990 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,990 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:06,996 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:24:06,997 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:07,004 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:24:07,013 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:24:07,026 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:07,027 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:07,027 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:07,027 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:07,027 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:07,027 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:07,027 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:07,027 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:07,034 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 54 transitions [2019-10-22 11:24:07,043 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 11:24:07,047 INFO L168 Benchmark]: Toolchain (without parser) took 1297.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:07,047 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:07,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:07,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.88 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:07,049 INFO L168 Benchmark]: Boogie Preprocessor took 60.82 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 11:24:07,049 INFO L168 Benchmark]: RCFGBuilder took 410.02 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: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:07,050 INFO L168 Benchmark]: TraceAbstraction took 96.94 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:07,053 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 673.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.88 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.82 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 410.02 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: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 96.94 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: 13.9 MB). Peak memory consumption was 13.9 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 11:24:09,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:09,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:09,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:09,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:09,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:09,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:09,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:09,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:09,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:09,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:09,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:09,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:09,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:09,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:09,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:09,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:09,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:09,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:09,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:09,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:09,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:09,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:09,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:09,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:09,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:09,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:09,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:09,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:09,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:09,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:09,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:09,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:09,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:09,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:09,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:09,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:09,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:09,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:09,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:09,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:09,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:24:09,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:09,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:09,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:09,073 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:09,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:09,073 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:09,073 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:09,073 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:09,074 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:09,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:09,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:24:09,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:24:09,076 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:09,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:09,076 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:24:09,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:09,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:09,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:09,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:09,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:09,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:09,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:09,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:09,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:09,078 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:24:09,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:24:09,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:09,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:09,079 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_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/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 -> 8344e7e4f737b63e5072d4c79eca78f8b48531d5 [2019-10-22 11:24:09,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:09,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:09,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:09,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:09,123 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:09,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-10-22 11:24:09,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/f19cca3b7/b815c93ae24142929e3b462f9aa5e1ef/FLAG18d4142cd [2019-10-22 11:24:09,688 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:09,690 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2019-10-22 11:24:09,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/f19cca3b7/b815c93ae24142929e3b462f9aa5e1ef/FLAG18d4142cd [2019-10-22 11:24:10,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/bin/utaipan/data/f19cca3b7/b815c93ae24142929e3b462f9aa5e1ef [2019-10-22 11:24:10,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:10,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:10,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:10,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:10,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:10,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d401f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10, skipping insertion in model container [2019-10-22 11:24:10,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:10,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:10,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:10,684 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:10,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:10,834 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:10,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10 WrapperNode [2019-10-22 11:24:10,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:10,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:10,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:10,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:10,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:10,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:10,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:10,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:10,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... [2019-10-22 11:24:10,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:10,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:10,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:10,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:10,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7019eb5b-2d5c-4e48-a8a6-97063a8222c5/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 11:24:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:24:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:24:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:24:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:24:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:10,990 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 11:24:11,334 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:11,335 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:24:11,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:11 BoogieIcfgContainer [2019-10-22 11:24:11,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:11,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:11,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:11,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:11,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:10" (1/3) ... [2019-10-22 11:24:11,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e38018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:11, skipping insertion in model container [2019-10-22 11:24:11,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:10" (2/3) ... [2019-10-22 11:24:11,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e38018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:11, skipping insertion in model container [2019-10-22 11:24:11,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:11" (3/3) ... [2019-10-22 11:24:11,343 INFO L109 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2019-10-22 11:24:11,370 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,370 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,371 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,371 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,371 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,371 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,371 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,372 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,372 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,377 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,377 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,377 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,377 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,377 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,378 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,378 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,378 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,378 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,378 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,378 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,379 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,379 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,379 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,379 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,379 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,380 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,380 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,380 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,380 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,380 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,380 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,381 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,381 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,381 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,381 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,381 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,381 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,382 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,382 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,382 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:24:11,389 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:24:11,389 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:11,396 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:24:11,404 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:24:11,420 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:11,420 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:11,420 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:11,421 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:11,421 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:11,421 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:11,421 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:11,421 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:11,427 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 54 transitions [2019-10-22 11:24:11,437 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 11:24:11,441 INFO L168 Benchmark]: Toolchain (without parser) took 1290.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:11,445 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:11,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:11,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.08 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 11:24:11,447 INFO L168 Benchmark]: Boogie Preprocessor took 39.52 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 11:24:11,447 INFO L168 Benchmark]: RCFGBuilder took 414.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:11,448 INFO L168 Benchmark]: TraceAbstraction took 102.78 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 11:24:11,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.08 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 39.52 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 414.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102.78 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_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...