./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe020_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_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/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 67ac2f9292204ff9f7b0f16da4d9bc53ca362e14 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:52:02,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:02,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:02,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:02,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:02,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:02,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:02,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:03,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:03,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:03,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:03,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:03,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:03,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:03,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:03,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:03,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:03,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:03,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:03,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:03,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:03,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:03,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:03,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:03,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:03,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:03,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:03,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:03,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:03,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:03,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:03,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:03,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:03,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:03,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:03,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:03,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:03,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:03,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:03,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:03,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:03,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:52:03,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:03,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:03,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:03,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:03,073 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:03,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:03,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:03,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:03,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:03,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:03,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:03,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:03,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:03,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:03,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:03,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:03,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:03,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:03,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:03,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:03,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:03,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:03,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:03,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:03,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:03,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:03,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:52:03,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:03,077 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_33815938-dcc3-4d94-9628-6a5d4ce26b93/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 -> 67ac2f9292204ff9f7b0f16da4d9bc53ca362e14 [2019-11-25 08:52:03,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:03,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:03,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:03,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:03,262 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:03,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe020_pso.opt.i [2019-11-25 08:52:03,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/data/e2981615e/7900fb0789c144a98c7c97f1b8bd26d5/FLAG1d8491590 [2019-11-25 08:52:03,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:03,732 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/sv-benchmarks/c/pthread-wmm/safe020_pso.opt.i [2019-11-25 08:52:03,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/data/e2981615e/7900fb0789c144a98c7c97f1b8bd26d5/FLAG1d8491590 [2019-11-25 08:52:03,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/data/e2981615e/7900fb0789c144a98c7c97f1b8bd26d5 [2019-11-25 08:52:03,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:03,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:03,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:03,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:03,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:03,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4b141d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:03, skipping insertion in model container [2019-11-25 08:52:03,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:03" (1/1) ... [2019-11-25 08:52:03,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:03,847 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:04,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:04,277 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:04,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:04,412 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:04,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04 WrapperNode [2019-11-25 08:52:04,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:04,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:04,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:04,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:04,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:04,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:04,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:04,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:04,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... [2019-11-25 08:52:04,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:04,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:04,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:04,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:04,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/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 08:52:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:52:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:52:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:52:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:52:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:52:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:52:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:52:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:52:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:52:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:52:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:04,558 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 08:52:04,943 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:04,944 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:52:04,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:04 BoogieIcfgContainer [2019-11-25 08:52:04,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:04,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:04,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:04,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:04,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:03" (1/3) ... [2019-11-25 08:52:04,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e44bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:04, skipping insertion in model container [2019-11-25 08:52:04,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:04" (2/3) ... [2019-11-25 08:52:04,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e44bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:04, skipping insertion in model container [2019-11-25 08:52:04,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:04" (3/3) ... [2019-11-25 08:52:04,952 INFO L109 eAbstractionObserver]: Analyzing ICFG safe020_pso.opt.i [2019-11-25 08:52:05,010 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,013 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,013 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,014 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,014 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,014 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,015 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,015 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,015 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,016 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,016 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,016 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,016 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,017 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,017 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,018 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,018 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,019 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,019 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,020 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,020 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,020 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,021 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,021 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,021 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,021 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,022 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,022 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,022 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,022 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,024 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,024 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,025 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,025 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,025 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,025 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,026 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,026 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,026 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,027 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,027 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,027 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,028 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,028 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,029 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,029 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,033 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,033 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,033 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,034 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,034 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,034 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,034 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:52:05,067 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:52:05,067 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:05,075 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:52:05,084 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:52:05,100 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:05,100 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:52:05,100 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:05,100 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:05,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:05,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:05,101 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:05,101 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:05,111 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-25 08:52:05,263 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-25 08:52:05,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-25 08:52:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:52:05,291 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:05,292 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 08:52:05,292 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:05,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:05,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1289340457, now seen corresponding path program 1 times [2019-11-25 08:52:05,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:05,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487759868] [2019-11-25 08:52:05,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:05,597 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 08:52:05,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487759868] [2019-11-25 08:52:05,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:05,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:05,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46322284] [2019-11-25 08:52:05,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:52:05,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:05,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:05,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:05,618 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-25 08:52:05,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:05,721 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-25 08:52:05,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:52:05,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-25 08:52:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:05,744 INFO L225 Difference]: With dead ends: 1294 [2019-11-25 08:52:05,745 INFO L226 Difference]: Without dead ends: 600 [2019-11-25 08:52:05,746 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 08:52:05,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-25 08:52:05,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-25 08:52:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-25 08:52:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-25 08:52:05,859 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-25 08:52:05,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:05,861 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-25 08:52:05,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:52:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-25 08:52:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:52:05,865 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:05,865 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 08:52:05,865 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:05,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:05,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1842768317, now seen corresponding path program 1 times [2019-11-25 08:52:05,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:05,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427618266] [2019-11-25 08:52:05,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:06,002 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 08:52:06,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427618266] [2019-11-25 08:52:06,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:06,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:06,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919587431] [2019-11-25 08:52:06,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:06,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:06,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:06,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:06,006 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-25 08:52:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:06,102 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-25 08:52:06,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:52:06,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 08:52:06,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:06,111 INFO L225 Difference]: With dead ends: 600 [2019-11-25 08:52:06,112 INFO L226 Difference]: Without dead ends: 537 [2019-11-25 08:52:06,113 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 08:52:06,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-25 08:52:06,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-25 08:52:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-25 08:52:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-25 08:52:06,162 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-25 08:52:06,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:06,163 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-25 08:52:06,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-25 08:52:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:52:06,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:06,165 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 08:52:06,165 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:06,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1327297235, now seen corresponding path program 1 times [2019-11-25 08:52:06,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:06,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537691519] [2019-11-25 08:52:06,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:06,312 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 08:52:06,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537691519] [2019-11-25 08:52:06,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:06,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:52:06,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107219835] [2019-11-25 08:52:06,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:06,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:06,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:06,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:06,315 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-25 08:52:06,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:06,409 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-25 08:52:06,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:06,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:52:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:06,416 INFO L225 Difference]: With dead ends: 402 [2019-11-25 08:52:06,417 INFO L226 Difference]: Without dead ends: 348 [2019-11-25 08:52:06,417 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:52:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-25 08:52:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-25 08:52:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-25 08:52:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-25 08:52:06,432 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-25 08:52:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:06,433 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-25 08:52:06,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-25 08:52:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:52:06,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:06,436 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 08:52:06,436 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash -2025014583, now seen corresponding path program 1 times [2019-11-25 08:52:06,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:06,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356049713] [2019-11-25 08:52:06,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:06,610 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 08:52:06,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356049713] [2019-11-25 08:52:06,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:06,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:52:06,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168773278] [2019-11-25 08:52:06,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:06,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:06,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:06,612 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-11-25 08:52:06,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:06,716 INFO L93 Difference]: Finished difference Result 519 states and 1394 transitions. [2019-11-25 08:52:06,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:52:06,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-25 08:52:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:06,719 INFO L225 Difference]: With dead ends: 519 [2019-11-25 08:52:06,719 INFO L226 Difference]: Without dead ends: 276 [2019-11-25 08:52:06,720 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:52:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-25 08:52:06,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-25 08:52:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-25 08:52:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 725 transitions. [2019-11-25 08:52:06,731 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 725 transitions. Word has length 33 [2019-11-25 08:52:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:06,732 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 725 transitions. [2019-11-25 08:52:06,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 725 transitions. [2019-11-25 08:52:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:52:06,733 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:06,733 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 08:52:06,734 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:06,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:06,734 INFO L82 PathProgramCache]: Analyzing trace with hash -400335637, now seen corresponding path program 2 times [2019-11-25 08:52:06,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:06,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685366087] [2019-11-25 08:52:06,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:06,879 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 08:52:06,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685366087] [2019-11-25 08:52:06,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:06,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:52:06,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159454412] [2019-11-25 08:52:06,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:52:06,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:06,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:52:06,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:52:06,882 INFO L87 Difference]: Start difference. First operand 276 states and 725 transitions. Second operand 7 states. [2019-11-25 08:52:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:07,027 INFO L93 Difference]: Finished difference Result 438 states and 1184 transitions. [2019-11-25 08:52:07,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:07,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:52:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:07,031 INFO L225 Difference]: With dead ends: 438 [2019-11-25 08:52:07,032 INFO L226 Difference]: Without dead ends: 252 [2019-11-25 08:52:07,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:52:07,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-11-25 08:52:07,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2019-11-25 08:52:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2019-11-25 08:52:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 671 transitions. [2019-11-25 08:52:07,043 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 671 transitions. Word has length 33 [2019-11-25 08:52:07,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:07,045 INFO L462 AbstractCegarLoop]: Abstraction has 252 states and 671 transitions. [2019-11-25 08:52:07,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:52:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 671 transitions. [2019-11-25 08:52:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:52:07,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:07,046 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 08:52:07,047 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:07,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:07,047 INFO L82 PathProgramCache]: Analyzing trace with hash -874432749, now seen corresponding path program 3 times [2019-11-25 08:52:07,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:07,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526842143] [2019-11-25 08:52:07,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:07,201 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 08:52:07,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526842143] [2019-11-25 08:52:07,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:07,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:52:07,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719747524] [2019-11-25 08:52:07,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:52:07,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:07,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:52:07,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:52:07,204 INFO L87 Difference]: Start difference. First operand 252 states and 671 transitions. Second operand 7 states. [2019-11-25 08:52:07,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:07,310 INFO L93 Difference]: Finished difference Result 198 states and 509 transitions. [2019-11-25 08:52:07,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:07,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:52:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:07,311 INFO L225 Difference]: With dead ends: 198 [2019-11-25 08:52:07,311 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:52:07,311 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 08:52:07,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:52:07,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:52:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:52:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:52:07,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-25 08:52:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:07,312 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:07,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:52:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:07,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:52:07,315 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:52:07,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:07 BasicIcfg [2019-11-25 08:52:07,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:07,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:07,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:07,319 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:07,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:04" (3/4) ... [2019-11-25 08:52:07,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:52:07,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:52:07,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:52:07,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:52:07,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:52:07,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:52:07,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:52:07,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33815938-dcc3-4d94-9628-6a5d4ce26b93/bin/uautomizer/witness.graphml [2019-11-25 08:52:07,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:07,406 INFO L168 Benchmark]: Toolchain (without parser) took 3639.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:07,406 INFO L168 Benchmark]: CDTParser took 0.23 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 08:52:07,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:07,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.65 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 08:52:07,408 INFO L168 Benchmark]: Boogie Preprocessor took 26.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:07,412 INFO L168 Benchmark]: RCFGBuilder took 458.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:07,413 INFO L168 Benchmark]: TraceAbstraction took 2372.04 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: -29.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:07,413 INFO L168 Benchmark]: Witness Printer took 84.91 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:07,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 647.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.65 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 26.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 458.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2372.04 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: -29.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 84.91 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: 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, 89 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 291 SDtfs, 333 SDslu, 755 SDs, 0 SdLazy, 109 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s 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, 15386 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...