./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/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 129ce07aaaf72d43feda4e85ee0279cc31551c1d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:30,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:30,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:30,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:30,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:30,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:30,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:30,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:30,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:30,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:30,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:30,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:30,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:30,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:30,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:30,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:30,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:30,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:30,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:30,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:30,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:30,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:30,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:30,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:30,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:30,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:30,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:30,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:30,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:30,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:30,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:30,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:30,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:30,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:30,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:30,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:30,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:30,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:30,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:30,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:30,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:30,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:30,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:30,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:30,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:30,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:30,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:30,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:30,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:30,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:30,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:30,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:30,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:30,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:30,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:30,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:30,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:30,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:30,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:30,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:30,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:30,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:30,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:30,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:30,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:30,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:30,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:30,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:30,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:30,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:30,332 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_68ca6861-cd6c-4605-8e8d-fce44801dd14/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 -> 129ce07aaaf72d43feda4e85ee0279cc31551c1d [2019-11-25 08:54:30,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:30,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:30,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:30,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:30,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:30,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i [2019-11-25 08:54:30,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/data/997392eea/95ce7403a87e4b7fa7769912137ac635/FLAGe0a35acc0 [2019-11-25 08:54:31,037 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:31,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i [2019-11-25 08:54:31,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/data/997392eea/95ce7403a87e4b7fa7769912137ac635/FLAGe0a35acc0 [2019-11-25 08:54:31,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/data/997392eea/95ce7403a87e4b7fa7769912137ac635 [2019-11-25 08:54:31,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:31,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:31,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:31,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:31,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:31,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:31,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463e9843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31, skipping insertion in model container [2019-11-25 08:54:31,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:31,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:31,460 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:31,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:31,918 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:31,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:32,082 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:32,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32 WrapperNode [2019-11-25 08:54:32,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:32,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:32,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:32,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:32,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:32,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:32,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:32,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:32,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... [2019-11-25 08:54:32,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:32,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:32,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:32,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:32,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/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 [2019-11-25 08:54:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:54:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:54:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:54:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:54:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:54:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:54:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:54:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:54:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:54:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:54:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:32,277 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:54:32,587 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:32,587 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:54:32,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:32 BoogieIcfgContainer [2019-11-25 08:54:32,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:32,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:32,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:32,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:32,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:31" (1/3) ... [2019-11-25 08:54:32,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a8dadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:32, skipping insertion in model container [2019-11-25 08:54:32,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:32" (2/3) ... [2019-11-25 08:54:32,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a8dadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:32, skipping insertion in model container [2019-11-25 08:54:32,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:32" (3/3) ... [2019-11-25 08:54:32,595 INFO L109 eAbstractionObserver]: Analyzing ICFG safe026_tso.oepc.i [2019-11-25 08:54:32,640 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,640 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,641 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,641 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,641 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,641 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,642 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,642 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,642 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,642 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,643 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,643 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,643 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,644 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,644 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,644 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,644 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,644 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,645 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,645 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,645 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,645 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,646 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,646 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,646 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,646 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,647 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,647 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,647 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,647 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,648 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,648 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,648 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,648 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,649 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,649 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,649 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,649 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,650 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,650 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,650 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,650 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,651 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,651 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,651 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,651 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,651 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,652 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,652 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,652 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,652 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,653 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,653 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,653 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,684 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:54:32,684 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:32,690 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:54:32,700 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:54:32,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:32,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:32,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:32,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:32,717 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:32,717 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:32,717 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:32,717 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:32,728 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-25 08:54:32,861 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-25 08:54:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-25 08:54:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:54:32,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:32,897 INFO L410 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] [2019-11-25 08:54:32,897 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:32,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:32,903 INFO L82 PathProgramCache]: Analyzing trace with hash -167790918, now seen corresponding path program 1 times [2019-11-25 08:54:32,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:32,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493881026] [2019-11-25 08:54:32,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493881026] [2019-11-25 08:54:33,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:33,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:33,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737987166] [2019-11-25 08:54:33,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:54:33,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:54:33,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:33,229 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-25 08:54:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,333 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-25 08:54:33,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:33,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-25 08:54:33,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:33,363 INFO L225 Difference]: With dead ends: 1294 [2019-11-25 08:54:33,363 INFO L226 Difference]: Without dead ends: 600 [2019-11-25 08:54:33,365 INFO L630 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 [2019-11-25 08:54:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-25 08:54:33,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-25 08:54:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-25 08:54:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-25 08:54:33,450 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-25 08:54:33,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:33,451 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-25 08:54:33,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:54:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-25 08:54:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:54:33,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:33,453 INFO L410 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] [2019-11-25 08:54:33,454 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:33,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,454 INFO L82 PathProgramCache]: Analyzing trace with hash 317834058, now seen corresponding path program 1 times [2019-11-25 08:54:33,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528737343] [2019-11-25 08:54:33,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528737343] [2019-11-25 08:54:33,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:33,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:33,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672489056] [2019-11-25 08:54:33,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:33,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:33,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:33,611 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-25 08:54:33,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,691 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-25 08:54:33,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:54:33,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 08:54:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:33,696 INFO L225 Difference]: With dead ends: 600 [2019-11-25 08:54:33,697 INFO L226 Difference]: Without dead ends: 537 [2019-11-25 08:54:33,697 INFO L630 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 [2019-11-25 08:54:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-25 08:54:33,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-25 08:54:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-25 08:54:33,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-25 08:54:33,727 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-25 08:54:33,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:33,728 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-25 08:54:33,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-25 08:54:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:54:33,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:33,730 INFO L410 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] [2019-11-25 08:54:33,730 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:33,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1918522772, now seen corresponding path program 1 times [2019-11-25 08:54:33,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690472896] [2019-11-25 08:54:33,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690472896] [2019-11-25 08:54:33,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:33,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:54:33,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309405101] [2019-11-25 08:54:33,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:54:33,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:54:33,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:54:33,870 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-25 08:54:33,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,980 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-25 08:54:33,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:54:33,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:54:33,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:33,987 INFO L225 Difference]: With dead ends: 402 [2019-11-25 08:54:33,987 INFO L226 Difference]: Without dead ends: 348 [2019-11-25 08:54:33,988 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:54:33,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-25 08:54:34,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-25 08:54:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-25 08:54:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-25 08:54:34,005 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-25 08:54:34,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:34,005 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-25 08:54:34,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:54:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-25 08:54:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:54:34,008 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:34,008 INFO L410 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] [2019-11-25 08:54:34,009 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:34,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1088306690, now seen corresponding path program 1 times [2019-11-25 08:54:34,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608093470] [2019-11-25 08:54:34,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:34,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608093470] [2019-11-25 08:54:34,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:34,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:54:34,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864503429] [2019-11-25 08:54:34,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:54:34,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:34,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:54:34,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:34,212 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-25 08:54:34,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:34,401 INFO L93 Difference]: Finished difference Result 555 states and 1478 transitions. [2019-11-25 08:54:34,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:54:34,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:54:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:34,404 INFO L225 Difference]: With dead ends: 555 [2019-11-25 08:54:34,404 INFO L226 Difference]: Without dead ends: 279 [2019-11-25 08:54:34,405 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:54:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-25 08:54:34,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2019-11-25 08:54:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-11-25 08:54:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 725 transitions. [2019-11-25 08:54:34,416 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 725 transitions. Word has length 33 [2019-11-25 08:54:34,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:34,417 INFO L462 AbstractCegarLoop]: Abstraction has 279 states and 725 transitions. [2019-11-25 08:54:34,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:54:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 725 transitions. [2019-11-25 08:54:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:54:34,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:34,420 INFO L410 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] [2019-11-25 08:54:34,420 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:34,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1953738192, now seen corresponding path program 2 times [2019-11-25 08:54:34,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018641070] [2019-11-25 08:54:34,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:34,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018641070] [2019-11-25 08:54:34,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:34,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:54:34,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715362870] [2019-11-25 08:54:34,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:54:34,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:34,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:54:34,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:34,596 INFO L87 Difference]: Start difference. First operand 279 states and 725 transitions. Second operand 8 states. [2019-11-25 08:54:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:34,718 INFO L93 Difference]: Finished difference Result 450 states and 1205 transitions. [2019-11-25 08:54:34,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:54:34,718 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-25 08:54:34,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:34,721 INFO L225 Difference]: With dead ends: 450 [2019-11-25 08:54:34,721 INFO L226 Difference]: Without dead ends: 252 [2019-11-25 08:54:34,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-11-25 08:54:34,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-11-25 08:54:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2019-11-25 08:54:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2019-11-25 08:54:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 671 transitions. [2019-11-25 08:54:34,730 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 671 transitions. Word has length 33 [2019-11-25 08:54:34,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:34,731 INFO L462 AbstractCegarLoop]: Abstraction has 252 states and 671 transitions. [2019-11-25 08:54:34,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:54:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 671 transitions. [2019-11-25 08:54:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:54:34,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:34,732 INFO L410 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] [2019-11-25 08:54:34,732 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:34,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,733 INFO L82 PathProgramCache]: Analyzing trace with hash 842221196, now seen corresponding path program 3 times [2019-11-25 08:54:34,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419702630] [2019-11-25 08:54:34,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:34,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419702630] [2019-11-25 08:54:34,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:34,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:54:34,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610457122] [2019-11-25 08:54:34,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:54:34,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:34,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:54:34,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:34,840 INFO L87 Difference]: Start difference. First operand 252 states and 671 transitions. Second operand 7 states. [2019-11-25 08:54:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:34,926 INFO L93 Difference]: Finished difference Result 198 states and 509 transitions. [2019-11-25 08:54:34,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:54:34,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:54:34,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:34,927 INFO L225 Difference]: With dead ends: 198 [2019-11-25 08:54:34,927 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:54:34,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:54:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:54:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:54:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:54:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:54:34,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-25 08:54:34,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:34,929 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:34,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:54:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:34,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:54:34,932 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:54:34,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:34 BasicIcfg [2019-11-25 08:54:34,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:34,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:34,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:34,937 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:34,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:32" (3/4) ... [2019-11-25 08:54:34,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:54:34,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:54:34,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:54:34,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:54:34,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:54:34,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:54:34,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:35,011 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_68ca6861-cd6c-4605-8e8d-fce44801dd14/bin/uautomizer/witness.graphml [2019-11-25 08:54:35,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:35,013 INFO L168 Benchmark]: Toolchain (without parser) took 3608.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.7 MB in the beginning and 828.1 MB in the end (delta: 112.6 MB). Peak memory consumption was 243.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:35,013 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-25 08:54:35,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:35,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:35,014 INFO L168 Benchmark]: Boogie Preprocessor took 53.58 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. [2019-11-25 08:54:35,015 INFO L168 Benchmark]: RCFGBuilder took 382.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:35,015 INFO L168 Benchmark]: TraceAbstraction took 2344.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 828.1 MB in the end (delta: 237.3 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:35,015 INFO L168 Benchmark]: Witness Printer took 77.39 ms. Allocated memory is still 1.2 GB. Free memory is still 828.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:35,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.58 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 382.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2344.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 828.1 MB in the end (delta: 237.3 MB). Peak memory consumption was 237.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.39 ms. Allocated memory is still 1.2 GB. Free memory is still 828.1 MB. There was no memory consumed. 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 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 399 SDslu, 820 SDs, 0 SdLazy, 119 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 17178 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...