./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe012_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/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/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 9e08f12126d3c72970255892bf1a7a06de90f635 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:51,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:51,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:51,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:51,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:51,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:51,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:51,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:51,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:51,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:51,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:51,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:51,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:51,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:51,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:51,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:51,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:51,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:51,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:51,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:51,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:51,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:51,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:51,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:51,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:51,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:51,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:51,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:51,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:51,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:51,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:51,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:51,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:51,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:51,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:51,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:51,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:51,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:51,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:51,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:51,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:51,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:51,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:51,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:51,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:51,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:51,165 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:51,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:51,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:51,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:51,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:51,167 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:51,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:51,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:51,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:51,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:51,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:51,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:51,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:51,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:51,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:51,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:51,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:51,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:51,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/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 -> 9e08f12126d3c72970255892bf1a7a06de90f635 [2019-10-22 08:59:51,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:51,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:51,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:51,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:51,205 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:51,205 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe012_tso.opt.i [2019-10-22 08:59:51,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/data/a81316c31/923d132648c445beac17c60c98088a80/FLAGba27c1a08 [2019-10-22 08:59:51,682 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:51,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/sv-benchmarks/c/pthread-wmm/safe012_tso.opt.i [2019-10-22 08:59:51,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/data/a81316c31/923d132648c445beac17c60c98088a80/FLAGba27c1a08 [2019-10-22 08:59:51,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/data/a81316c31/923d132648c445beac17c60c98088a80 [2019-10-22 08:59:51,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:51,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:51,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:51,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:51,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:51,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:51" (1/1) ... [2019-10-22 08:59:51,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118d3c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:51, skipping insertion in model container [2019-10-22 08:59:51,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:51" (1/1) ... [2019-10-22 08:59:51,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:51,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:52,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:52,178 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:52,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:52,320 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:52,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52 WrapperNode [2019-10-22 08:59:52,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:52,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:52,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:52,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:52,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:52,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:52,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:52,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:52,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... [2019-10-22 08:59:52,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:52,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:52,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:52,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:52,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:59:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:59:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:52,459 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-10-22 08:59:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-10-22 08:59:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-10-22 08:59:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-10-22 08:59:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-10-22 08:59:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-10-22 08:59:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:59:52,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:52,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:52,462 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:59:52,779 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:52,779 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:59:52,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:52 BoogieIcfgContainer [2019-10-22 08:59:52,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:52,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:52,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:52,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:52,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:51" (1/3) ... [2019-10-22 08:59:52,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9d7ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:52, skipping insertion in model container [2019-10-22 08:59:52,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:52" (2/3) ... [2019-10-22 08:59:52,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9d7ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:52, skipping insertion in model container [2019-10-22 08:59:52,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:52" (3/3) ... [2019-10-22 08:59:52,788 INFO L109 eAbstractionObserver]: Analyzing ICFG safe012_tso.opt.i [2019-10-22 08:59:52,819 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,819 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,819 WARN L315 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,819 WARN L315 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,820 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,820 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,820 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,820 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,821 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,821 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,821 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,821 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,821 WARN L315 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,822 WARN L315 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,822 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,822 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,822 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,822 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,823 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,823 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,823 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,823 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,823 WARN L315 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,824 WARN L315 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,824 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,824 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,824 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,825 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,825 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,825 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:52,834 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:59:52,835 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:52,842 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:59:52,853 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:59:52,870 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:52,870 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:52,870 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:52,871 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:52,871 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:52,871 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:52,871 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:52,871 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:52,880 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 54 transitions [2019-10-22 08:59:53,025 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2019-10-22 08:59:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2019-10-22 08:59:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:59:53,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:53,048 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, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:53,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:53,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1011209124, now seen corresponding path program 1 times [2019-10-22 08:59:53,065 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:53,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759868601] [2019-10-22 08:59:53,065 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:53,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759868601] [2019-10-22 08:59:53,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:53,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:53,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055068826] [2019-10-22 08:59:53,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:53,350 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:53,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:53,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:53,365 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2019-10-22 08:59:53,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:53,477 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2019-10-22 08:59:53,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:53,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-10-22 08:59:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:53,501 INFO L225 Difference]: With dead ends: 2494 [2019-10-22 08:59:53,501 INFO L226 Difference]: Without dead ends: 1129 [2019-10-22 08:59:53,503 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:53,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2019-10-22 08:59:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2019-10-22 08:59:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2019-10-22 08:59:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2019-10-22 08:59:53,605 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2019-10-22 08:59:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:53,605 INFO L462 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2019-10-22 08:59:53,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2019-10-22 08:59:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:59:53,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:53,609 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,610 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:53,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1253730034, now seen corresponding path program 1 times [2019-10-22 08:59:53,615 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:53,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173265161] [2019-10-22 08:59:53,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:53,758 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173265161] [2019-10-22 08:59:53,758 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:53,758 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:53,759 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881168026] [2019-10-22 08:59:53,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:53,760 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:53,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:53,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:53,761 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2019-10-22 08:59:53,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:53,876 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2019-10-22 08:59:53,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:59:53,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:59:53,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:53,882 INFO L225 Difference]: With dead ends: 1169 [2019-10-22 08:59:53,883 INFO L226 Difference]: Without dead ends: 1045 [2019-10-22 08:59:53,883 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 [2019-10-22 08:59:53,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-10-22 08:59:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2019-10-22 08:59:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2019-10-22 08:59:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2019-10-22 08:59:53,921 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2019-10-22 08:59:53,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:53,921 INFO L462 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2019-10-22 08:59:53,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2019-10-22 08:59:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:59:53,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:53,924 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:53,924 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:53,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2002113598, now seen corresponding path program 1 times [2019-10-22 08:59:53,925 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:53,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265348913] [2019-10-22 08:59:53,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:53,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:54,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265348913] [2019-10-22 08:59:54,059 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:54,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:59:54,060 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490466481] [2019-10-22 08:59:54,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:59:54,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:54,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:59:54,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:54,061 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2019-10-22 08:59:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:54,155 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2019-10-22 08:59:54,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:54,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 08:59:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:54,160 INFO L225 Difference]: With dead ends: 821 [2019-10-22 08:59:54,161 INFO L226 Difference]: Without dead ends: 709 [2019-10-22 08:59:54,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-22 08:59:54,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2019-10-22 08:59:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2019-10-22 08:59:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2019-10-22 08:59:54,187 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2019-10-22 08:59:54,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:54,187 INFO L462 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2019-10-22 08:59:54,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:59:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2019-10-22 08:59:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:59:54,189 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:54,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:54,190 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:54,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,190 INFO L82 PathProgramCache]: Analyzing trace with hash 125829688, now seen corresponding path program 1 times [2019-10-22 08:59:54,191 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,191 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351368128] [2019-10-22 08:59:54,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:54,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351368128] [2019-10-22 08:59:54,354 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:54,354 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:59:54,354 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772780313] [2019-10-22 08:59:54,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:54,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:54,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:54,355 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 8 states. [2019-10-22 08:59:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:54,471 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2019-10-22 08:59:54,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:54,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-10-22 08:59:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:54,476 INFO L225 Difference]: With dead ends: 1109 [2019-10-22 08:59:54,476 INFO L226 Difference]: Without dead ends: 593 [2019-10-22 08:59:54,477 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-22 08:59:54,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2019-10-22 08:59:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-10-22 08:59:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2019-10-22 08:59:54,499 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2019-10-22 08:59:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:54,499 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2019-10-22 08:59:54,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2019-10-22 08:59:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:59:54,502 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:54,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:54,502 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:54,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1476217140, now seen corresponding path program 2 times [2019-10-22 08:59:54,503 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,503 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500662412] [2019-10-22 08:59:54,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:54,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500662412] [2019-10-22 08:59:54,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:54,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:59:54,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403728274] [2019-10-22 08:59:54,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:59:54,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:54,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:59:54,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:59:54,649 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 7 states. [2019-10-22 08:59:54,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:54,773 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2019-10-22 08:59:54,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:59:54,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-10-22 08:59:54,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:54,776 INFO L225 Difference]: With dead ends: 977 [2019-10-22 08:59:54,776 INFO L226 Difference]: Without dead ends: 557 [2019-10-22 08:59:54,776 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:59:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-10-22 08:59:54,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2019-10-22 08:59:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2019-10-22 08:59:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2019-10-22 08:59:54,792 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2019-10-22 08:59:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:54,794 INFO L462 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2019-10-22 08:59:54,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:59:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2019-10-22 08:59:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:59:54,795 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:54,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:54,795 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:54,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:54,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1900844242, now seen corresponding path program 3 times [2019-10-22 08:59:54,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:54,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930203502] [2019-10-22 08:59:54,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:54,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:54,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930203502] [2019-10-22 08:59:54,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:54,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:59:54,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834674904] [2019-10-22 08:59:54,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:54,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:54,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:54,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:54,937 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 8 states. [2019-10-22 08:59:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:55,010 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2019-10-22 08:59:55,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:59:55,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-10-22 08:59:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:55,011 INFO L225 Difference]: With dead ends: 429 [2019-10-22 08:59:55,011 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:55,011 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:55,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:55,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:55,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-10-22 08:59:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:55,012 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:55,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:55,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:55,016 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 08:59:55,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:55 BasicIcfg [2019-10-22 08:59:55,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:55,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:55,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:55,018 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:55,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:52" (3/4) ... [2019-10-22 08:59:55,022 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:59:55,028 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-10-22 08:59:55,028 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-10-22 08:59:55,029 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-10-22 08:59:55,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 08:59:55,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:59:55,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea907709-23ae-4b9c-a1fa-d6b8ff83d511/bin/uautomizer/witness.graphml [2019-10-22 08:59:55,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:55,076 INFO L168 Benchmark]: Toolchain (without parser) took 3361.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -111.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,076 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:55,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,077 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,078 INFO L168 Benchmark]: RCFGBuilder took 392.02 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,078 INFO L168 Benchmark]: TraceAbstraction took 2236.41 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,079 INFO L168 Benchmark]: Witness Printer took 55.84 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:55,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 605.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.36 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 20.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 392.02 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2236.41 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Witness Printer took 55.84 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: 4.8 MB). Peak memory consumption was 4.8 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 7 procedures, 72 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 480 SDslu, 882 SDs, 0 SdLazy, 111 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 19746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...