./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_tso.opt.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/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f80af6d0349fca3fc8612cfe275023c8876311f6 .......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:43:20,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:43:20,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:43:20,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:43:20,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:43:20,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:43:20,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:43:20,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:43:20,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:43:20,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:43:20,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:43:20,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:43:20,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:43:20,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:43:20,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:43:20,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:43:20,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:43:20,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:43:20,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:43:20,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:43:20,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:43:20,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:43:20,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:43:20,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:43:20,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:43:20,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:43:20,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:43:20,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:43:20,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:43:20,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:43:20,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:43:20,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:43:20,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:43:20,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:43:20,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:43:20,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:43:20,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:43:20,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:43:20,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:43:20,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:43:20,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:43:20,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:43:20,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:43:20,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:43:20,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:43:20,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:43:20,634 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:43:20,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:43:20,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:43:20,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:43:20,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:43:20,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:43:20,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:43:20,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:43:20,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:43:20,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:43:20,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:43:20,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:43:20,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:43:20,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:43:20,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:43:20,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:43:20,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:43:20,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:43:20,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:43:20,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:43:20,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:43:20,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:43:20,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:43:20,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:43:20,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f80af6d0349fca3fc8612cfe275023c8876311f6 [2019-11-15 23:43:20,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:43:20,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:43:20,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:43:20,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:43:20,710 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:43:20,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i [2019-11-15 23:43:20,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/data/b0438434c/9495941f349c46b0aa75497fbcbf7428/FLAG31b933c65 [2019-11-15 23:43:21,265 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:43:21,279 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i [2019-11-15 23:43:21,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/data/b0438434c/9495941f349c46b0aa75497fbcbf7428/FLAG31b933c65 [2019-11-15 23:43:21,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/data/b0438434c/9495941f349c46b0aa75497fbcbf7428 [2019-11-15 23:43:21,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:43:21,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:43:21,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:43:21,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:43:21,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:43:21,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:43:21" (1/1) ... [2019-11-15 23:43:21,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c95b781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:21, skipping insertion in model container [2019-11-15 23:43:21,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:43:21" (1/1) ... [2019-11-15 23:43:21,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:43:21,604 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:43:21,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:43:22,005 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:43:22,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:43:22,110 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:43:22,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22 WrapperNode [2019-11-15 23:43:22,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:43:22,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:43:22,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:43:22,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:43:22,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:43:22,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:43:22,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:43:22,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:43:22,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... [2019-11-15 23:43:22,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:43:22,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:43:22,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:43:22,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:43:22,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:43:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:43:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:43:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:43:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:43:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:43:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:43:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:43:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:43:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:43:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:43:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:43:22,266 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:43:22,567 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:43:22,568 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:43:22,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:43:22 BoogieIcfgContainer [2019-11-15 23:43:22,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:43:22,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:43:22,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:43:22,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:43:22,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:43:21" (1/3) ... [2019-11-15 23:43:22,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf0e30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:43:22, skipping insertion in model container [2019-11-15 23:43:22,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:43:22" (2/3) ... [2019-11-15 23:43:22,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf0e30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:43:22, skipping insertion in model container [2019-11-15 23:43:22,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:43:22" (3/3) ... [2019-11-15 23:43:22,577 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2019-11-15 23:43:22,610 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,610 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,611 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,611 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,611 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,612 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,612 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,612 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,612 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,613 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,613 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,613 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:43:22,622 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:43:22,623 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:43:22,630 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:43:22,640 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:43:22,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:43:22,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:43:22,660 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:43:22,660 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:43:22,660 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:43:22,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:43:22,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:43:22,661 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:43:22,669 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions [2019-11-15 23:43:22,698 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 284 states. [2019-11-15 23:43:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2019-11-15 23:43:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 23:43:22,711 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:22,712 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:43:22,714 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:22,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:22,720 INFO L82 PathProgramCache]: Analyzing trace with hash -878288208, now seen corresponding path program 1 times [2019-11-15 23:43:22,726 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:22,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854774447] [2019-11-15 23:43:22,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:22,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:22,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:23,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854774447] [2019-11-15 23:43:23,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:23,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:43:23,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971884564] [2019-11-15 23:43:23,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:43:23,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:23,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:43:23,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:43:23,100 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 5 states. [2019-11-15 23:43:23,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:23,217 INFO L93 Difference]: Finished difference Result 285 states and 644 transitions. [2019-11-15 23:43:23,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:43:23,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-15 23:43:23,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:23,230 INFO L225 Difference]: With dead ends: 285 [2019-11-15 23:43:23,230 INFO L226 Difference]: Without dead ends: 149 [2019-11-15 23:43:23,232 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:43:23,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-15 23:43:23,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-11-15 23:43:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-15 23:43:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 323 transitions. [2019-11-15 23:43:23,282 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 323 transitions. Word has length 23 [2019-11-15 23:43:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:23,282 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 323 transitions. [2019-11-15 23:43:23,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:43:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 323 transitions. [2019-11-15 23:43:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 23:43:23,285 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:23,285 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:43:23,285 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:23,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1925185520, now seen corresponding path program 1 times [2019-11-15 23:43:23,286 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:23,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775103621] [2019-11-15 23:43:23,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:23,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:23,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:23,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775103621] [2019-11-15 23:43:23,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:23,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:43:23,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910686641] [2019-11-15 23:43:23,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:43:23,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:23,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:43:23,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:43:23,431 INFO L87 Difference]: Start difference. First operand 149 states and 323 transitions. Second operand 5 states. [2019-11-15 23:43:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:23,511 INFO L93 Difference]: Finished difference Result 122 states and 239 transitions. [2019-11-15 23:43:23,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:43:23,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-15 23:43:23,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:23,514 INFO L225 Difference]: With dead ends: 122 [2019-11-15 23:43:23,514 INFO L226 Difference]: Without dead ends: 107 [2019-11-15 23:43:23,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:43:23,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-15 23:43:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-15 23:43:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-15 23:43:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 211 transitions. [2019-11-15 23:43:23,527 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 211 transitions. Word has length 24 [2019-11-15 23:43:23,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:23,536 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 211 transitions. [2019-11-15 23:43:23,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:43:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 211 transitions. [2019-11-15 23:43:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 23:43:23,538 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:43:23,538 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:43:23,538 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:43:23,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:43:23,539 INFO L82 PathProgramCache]: Analyzing trace with hash 440993795, now seen corresponding path program 1 times [2019-11-15 23:43:23,539 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:43:23,539 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122222009] [2019-11-15 23:43:23,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:23,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:43:23,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:43:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:43:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:43:23,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122222009] [2019-11-15 23:43:23,707 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:43:23,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:43:23,708 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992326832] [2019-11-15 23:43:23,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:43:23,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:43:23,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:43:23,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:43:23,709 INFO L87 Difference]: Start difference. First operand 107 states and 211 transitions. Second operand 6 states. [2019-11-15 23:43:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:43:23,828 INFO L93 Difference]: Finished difference Result 89 states and 169 transitions. [2019-11-15 23:43:23,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:43:23,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-15 23:43:23,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:43:23,828 INFO L225 Difference]: With dead ends: 89 [2019-11-15 23:43:23,828 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:43:23,829 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:43:23,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:43:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:43:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:43:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:43:23,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-15 23:43:23,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:43:23,830 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:43:23,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:43:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:43:23,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:43:23,833 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:43:23,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:43:23 BasicIcfg [2019-11-15 23:43:23,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:43:23,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:43:23,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:43:23,836 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:43:23,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:43:22" (3/4) ... [2019-11-15 23:43:23,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:43:23,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:43:23,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:43:23,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-15 23:43:23,856 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:43:23,897 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ecced427-9e73-4760-b00b-51935f68b3ba/bin/uautomizer/witness.graphml [2019-11-15 23:43:23,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:43:23,899 INFO L168 Benchmark]: Toolchain (without parser) took 2366.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.7 MB in the beginning and 983.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:23,899 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:43:23,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:23,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.97 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. [2019-11-15 23:43:23,901 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 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. [2019-11-15 23:43:23,901 INFO L168 Benchmark]: RCFGBuilder took 378.15 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:23,901 INFO L168 Benchmark]: TraceAbstraction took 1264.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.4 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:23,902 INFO L168 Benchmark]: Witness Printer took 62.30 ms. Allocated memory is still 1.2 GB. Free memory was 988.4 MB in the beginning and 983.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:43:23,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 577.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.97 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 25.07 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 378.15 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1264.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.4 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.30 ms. Allocated memory is still 1.2 GB. Free memory was 988.4 MB in the beginning and 983.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 106 SDslu, 174 SDs, 0 SdLazy, 28 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 5377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...