./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.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_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/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 192490be5ad85794d5d22dff2d69c205d13f585e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:50:56,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:56,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:56,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:56,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:56,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:56,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:56,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:56,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:56,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:56,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:56,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:56,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:56,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:56,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:56,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:56,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:56,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:56,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:56,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:56,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:56,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:56,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:56,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:56,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:56,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:56,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:56,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:56,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:56,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:56,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:56,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:56,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:56,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:56,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:56,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:56,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:56,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:56,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:56,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:56,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:56,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:50:56,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:56,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:56,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:56,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:56,898 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:56,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:56,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:56,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:56,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:56,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:56,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:56,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:56,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:56,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:56,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:56,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:56,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:56,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:56,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:56,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:56,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:56,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:56,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:56,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:56,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:56,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:56,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:50:56,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:56,904 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_c168bf62-75f4-4796-afe4-7156e354aa1e/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 -> 192490be5ad85794d5d22dff2d69c205d13f585e [2019-11-25 08:50:57,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:57,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:57,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:57,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:57,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:57,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2019-11-25 08:50:57,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/data/bb47fca56/d6392290f4ee4d21845a886863f0ad17/FLAG3d8e56690 [2019-11-25 08:50:57,638 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:57,639 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2019-11-25 08:50:57,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/data/bb47fca56/d6392290f4ee4d21845a886863f0ad17/FLAG3d8e56690 [2019-11-25 08:50:57,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/data/bb47fca56/d6392290f4ee4d21845a886863f0ad17 [2019-11-25 08:50:57,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:57,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:57,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:57,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:57,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:57,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:57" (1/1) ... [2019-11-25 08:50:57,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d9887f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:57, skipping insertion in model container [2019-11-25 08:50:57,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:57" (1/1) ... [2019-11-25 08:50:58,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:58,048 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:58,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:58,461 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:58,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:58,573 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:58,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58 WrapperNode [2019-11-25 08:50:58,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:58,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:58,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:58,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:58,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:58,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:58,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:58,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:58,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... [2019-11-25 08:50:58,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:58,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:58,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:58,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:58,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/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 08:50:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:50:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:50:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:50:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:50:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:50:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:50:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:50:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:50:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:50:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:58,722 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 08:50:59,146 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:59,147 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:50:59,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:59 BoogieIcfgContainer [2019-11-25 08:50:59,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:59,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:59,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:59,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:59,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:57" (1/3) ... [2019-11-25 08:50:59,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba2695b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:59, skipping insertion in model container [2019-11-25 08:50:59,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:58" (2/3) ... [2019-11-25 08:50:59,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba2695b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:59, skipping insertion in model container [2019-11-25 08:50:59,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:59" (3/3) ... [2019-11-25 08:50:59,156 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2019-11-25 08:50:59,216 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,226 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,226 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,226 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,227 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,227 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,227 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,227 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,227 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,228 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,229 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,229 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,229 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,229 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,229 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,230 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,230 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,230 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,230 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,231 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,231 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,231 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,231 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,232 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,232 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,232 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,232 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,233 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,233 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,233 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,233 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,233 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,234 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,234 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,234 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,234 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,235 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,235 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,235 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,235 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,235 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,236 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,236 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,236 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,237 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,237 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,238 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,238 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,238 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,239 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,239 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:59,278 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:50:59,278 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:59,284 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:50:59,294 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:50:59,310 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:59,310 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:59,310 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:59,310 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:59,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:59,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:59,311 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:59,311 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:59,320 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 76 transitions [2019-11-25 08:50:59,457 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-11-25 08:50:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-11-25 08:50:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:50:59,489 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:59,489 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 08:50:59,490 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:59,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:59,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1516766294, now seen corresponding path program 1 times [2019-11-25 08:50:59,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:59,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24861798] [2019-11-25 08:50:59,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:59,811 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 08:50:59,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24861798] [2019-11-25 08:50:59,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:59,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:59,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401159922] [2019-11-25 08:50:59,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:59,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:59,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:59,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:59,834 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-11-25 08:50:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:59,945 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-11-25 08:50:59,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:59,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-25 08:50:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:59,979 INFO L225 Difference]: With dead ends: 1296 [2019-11-25 08:50:59,979 INFO L226 Difference]: Without dead ends: 602 [2019-11-25 08:50:59,981 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 08:51:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-11-25 08:51:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-11-25 08:51:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-11-25 08:51:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-11-25 08:51:00,078 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-11-25 08:51:00,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:00,078 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-11-25 08:51:00,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:00,079 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-11-25 08:51:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:51:00,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:00,082 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 08:51:00,082 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:00,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:00,083 INFO L82 PathProgramCache]: Analyzing trace with hash 133649582, now seen corresponding path program 1 times [2019-11-25 08:51:00,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:00,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127743546] [2019-11-25 08:51:00,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:00,221 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 08:51:00,222 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127743546] [2019-11-25 08:51:00,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:00,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:51:00,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850318741] [2019-11-25 08:51:00,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:51:00,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:00,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:51:00,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:00,224 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-11-25 08:51:00,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:00,311 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-11-25 08:51:00,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:51:00,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:51:00,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:00,317 INFO L225 Difference]: With dead ends: 602 [2019-11-25 08:51:00,317 INFO L226 Difference]: Without dead ends: 539 [2019-11-25 08:51:00,318 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 08:51:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-11-25 08:51:00,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-11-25 08:51:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-11-25 08:51:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-11-25 08:51:00,348 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-11-25 08:51:00,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:00,349 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-11-25 08:51:00,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:51:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-11-25 08:51:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:51:00,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:00,351 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, 1] [2019-11-25 08:51:00,352 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:00,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:00,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1242473568, now seen corresponding path program 1 times [2019-11-25 08:51:00,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:00,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602070074] [2019-11-25 08:51:00,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:00,513 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 08:51:00,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602070074] [2019-11-25 08:51:00,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:00,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:51:00,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844918533] [2019-11-25 08:51:00,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:51:00,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:00,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:51:00,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:51:00,515 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 6 states. [2019-11-25 08:51:00,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:00,625 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-11-25 08:51:00,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:51:00,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-25 08:51:00,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:00,629 INFO L225 Difference]: With dead ends: 404 [2019-11-25 08:51:00,629 INFO L226 Difference]: Without dead ends: 350 [2019-11-25 08:51:00,630 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 08:51:00,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-25 08:51:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-11-25 08:51:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-11-25 08:51:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-11-25 08:51:00,650 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-11-25 08:51:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:00,651 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-11-25 08:51:00,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:51:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-11-25 08:51:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:51:00,653 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:00,653 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, 1, 1] [2019-11-25 08:51:00,653 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:00,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:00,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1475421620, now seen corresponding path program 1 times [2019-11-25 08:51:00,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:00,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257147691] [2019-11-25 08:51:00,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:00,846 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 08:51:00,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257147691] [2019-11-25 08:51:00,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:00,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:51:00,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438902798] [2019-11-25 08:51:00,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:51:00,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:00,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:51:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:00,849 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 8 states. [2019-11-25 08:51:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:00,990 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-11-25 08:51:00,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:51:00,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-25 08:51:00,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:00,993 INFO L225 Difference]: With dead ends: 521 [2019-11-25 08:51:00,994 INFO L226 Difference]: Without dead ends: 278 [2019-11-25 08:51:00,996 INFO L630 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 [2019-11-25 08:51:01,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-11-25 08:51:01,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-11-25 08:51:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-25 08:51:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 727 transitions. [2019-11-25 08:51:01,011 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 727 transitions. Word has length 35 [2019-11-25 08:51:01,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:01,012 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 727 transitions. [2019-11-25 08:51:01,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:51:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 727 transitions. [2019-11-25 08:51:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:51:01,014 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:01,014 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, 1, 1] [2019-11-25 08:51:01,015 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:01,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1440827028, now seen corresponding path program 2 times [2019-11-25 08:51:01,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:01,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738680219] [2019-11-25 08:51:01,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:01,204 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 08:51:01,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738680219] [2019-11-25 08:51:01,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:01,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:51:01,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503860411] [2019-11-25 08:51:01,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:51:01,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:01,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:51:01,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:01,206 INFO L87 Difference]: Start difference. First operand 278 states and 727 transitions. Second operand 8 states. [2019-11-25 08:51:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:01,341 INFO L93 Difference]: Finished difference Result 449 states and 1207 transitions. [2019-11-25 08:51:01,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:51:01,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-25 08:51:01,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:01,361 INFO L225 Difference]: With dead ends: 449 [2019-11-25 08:51:01,361 INFO L226 Difference]: Without dead ends: 266 [2019-11-25 08:51:01,361 INFO L630 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 [2019-11-25 08:51:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-11-25 08:51:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-11-25 08:51:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-25 08:51:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 697 transitions. [2019-11-25 08:51:01,373 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 697 transitions. Word has length 35 [2019-11-25 08:51:01,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:01,374 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 697 transitions. [2019-11-25 08:51:01,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:51:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 697 transitions. [2019-11-25 08:51:01,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:51:01,375 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:01,376 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, 1, 1] [2019-11-25 08:51:01,376 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:01,377 INFO L82 PathProgramCache]: Analyzing trace with hash 2124924496, now seen corresponding path program 3 times [2019-11-25 08:51:01,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:01,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598436464] [2019-11-25 08:51:01,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:01,523 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 08:51:01,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598436464] [2019-11-25 08:51:01,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:01,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:51:01,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082044165] [2019-11-25 08:51:01,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:51:01,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:01,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:51:01,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:51:01,525 INFO L87 Difference]: Start difference. First operand 266 states and 697 transitions. Second operand 8 states. [2019-11-25 08:51:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:01,602 INFO L93 Difference]: Finished difference Result 212 states and 535 transitions. [2019-11-25 08:51:01,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:51:01,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-25 08:51:01,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:01,603 INFO L225 Difference]: With dead ends: 212 [2019-11-25 08:51:01,603 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:51:01,603 INFO L630 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 [2019-11-25 08:51:01,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:51:01,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:51:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:51:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:51:01,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-11-25 08:51:01,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:01,604 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:51:01,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:51:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:51:01,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:51:01,607 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:51:01,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:01 BasicIcfg [2019-11-25 08:51:01,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:01,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:01,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:01,610 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:01,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:59" (3/4) ... [2019-11-25 08:51:01,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:51:01,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:51:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:51:01,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:51:01,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:51:01,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:51:01,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:51:01,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c168bf62-75f4-4796-afe4-7156e354aa1e/bin/uautomizer/witness.graphml [2019-11-25 08:51:01,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:01,704 INFO L168 Benchmark]: Toolchain (without parser) took 3716.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:01,704 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:01,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:01,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:01,706 INFO L168 Benchmark]: Boogie Preprocessor took 26.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:01,712 INFO L168 Benchmark]: RCFGBuilder took 502.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:01,712 INFO L168 Benchmark]: TraceAbstraction took 2460.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:01,713 INFO L168 Benchmark]: Witness Printer took 92.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:01,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 588.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 502.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2460.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 92.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 13 procedures, 91 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 399 SDslu, 770 SDs, 0 SdLazy, 114 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1249occurred 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, 0.8s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 21102 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...