./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/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 980da5cfdd39d90d45ffcdcb93c1ea923e88b32b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:50:36,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:36,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:36,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:36,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:36,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:36,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:36,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:36,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:36,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:36,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:36,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:36,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:36,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:36,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:36,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:36,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:36,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:36,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:36,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:36,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:36,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:36,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:36,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:36,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:36,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:36,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:36,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:36,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:36,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:36,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:36,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:36,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:36,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:36,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:36,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:36,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:36,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:36,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:36,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:36,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:36,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:50:36,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:36,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:36,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:36,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:36,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:36,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:36,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:36,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:36,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:36,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:36,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:50:36,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:36,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:50:36,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:36,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:36,980 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:36,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:50:36,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:36,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:36,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:36,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:36,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:36,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:36,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:36,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:50:36,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:36,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:50:36,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:50:36,983 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_ec4908fb-2299-46d8-a613-d23bb5b59895/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 -> 980da5cfdd39d90d45ffcdcb93c1ea923e88b32b [2019-11-25 08:50:37,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:37,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:37,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:37,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:37,143 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:37,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2019-11-25 08:50:37,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/data/a9956fba3/d8121a6aae5e4c2492ed882760519d65/FLAG5a3430692 [2019-11-25 08:50:37,656 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:37,658 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2019-11-25 08:50:37,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/data/a9956fba3/d8121a6aae5e4c2492ed882760519d65/FLAG5a3430692 [2019-11-25 08:50:37,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/data/a9956fba3/d8121a6aae5e4c2492ed882760519d65 [2019-11-25 08:50:37,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:37,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:37,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:37,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:37,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:37,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:37" (1/1) ... [2019-11-25 08:50:37,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb61510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:37, skipping insertion in model container [2019-11-25 08:50:37,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:37" (1/1) ... [2019-11-25 08:50:37,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:38,003 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:38,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:38,446 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:38,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:38,579 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:38,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38 WrapperNode [2019-11-25 08:50:38,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:38,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:38,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:38,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:38,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:38,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:38,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:38,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:38,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... [2019-11-25 08:50:38,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:38,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:38,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:38,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:38,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/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 08:50:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:50:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:50:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:50:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:50:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:50:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:50:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:50:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:50:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:50:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:50:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:50:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:38,715 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 08:50:39,011 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:39,011 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:50:39,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:39 BoogieIcfgContainer [2019-11-25 08:50:39,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:39,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:39,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:39,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:39,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:37" (1/3) ... [2019-11-25 08:50:39,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a20dafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:39, skipping insertion in model container [2019-11-25 08:50:39,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:38" (2/3) ... [2019-11-25 08:50:39,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a20dafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:39, skipping insertion in model container [2019-11-25 08:50:39,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:39" (3/3) ... [2019-11-25 08:50:39,019 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2019-11-25 08:50:39,062 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,063 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,063 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,063 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,063 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,064 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,064 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,064 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,064 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,068 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,069 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,069 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,069 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,070 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,070 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,070 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,070 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,070 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,071 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,071 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,071 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,071 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,073 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,073 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,074 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,075 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,075 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,076 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,076 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,077 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,077 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,077 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,079 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,079 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,079 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,080 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,080 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,081 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,081 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,082 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,082 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,082 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,083 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,083 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,084 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,084 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,084 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,085 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:50:39,129 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:50:39,130 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:39,136 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:50:39,144 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:50:39,160 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:39,161 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:50:39,161 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:39,161 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:39,161 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:39,161 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:39,161 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:39,161 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:39,171 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 76 transitions [2019-11-25 08:50:39,320 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-11-25 08:50:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-11-25 08:50:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:50:39,345 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:39,346 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 08:50:39,346 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:39,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:39,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1516766294, now seen corresponding path program 1 times [2019-11-25 08:50:39,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:39,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203744517] [2019-11-25 08:50:39,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:39,695 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 08:50:39,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203744517] [2019-11-25 08:50:39,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:39,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:50:39,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132776237] [2019-11-25 08:50:39,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:50:39,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:39,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:39,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:39,712 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-11-25 08:50:39,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:39,860 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-11-25 08:50:39,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:39,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-25 08:50:39,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:39,903 INFO L225 Difference]: With dead ends: 1296 [2019-11-25 08:50:39,905 INFO L226 Difference]: Without dead ends: 602 [2019-11-25 08:50:39,911 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 08:50:39,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-11-25 08:50:40,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-11-25 08:50:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-11-25 08:50:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-11-25 08:50:40,017 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-11-25 08:50:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:40,017 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-11-25 08:50:40,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:50:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-11-25 08:50:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:50:40,020 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:40,020 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 08:50:40,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:40,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:40,021 INFO L82 PathProgramCache]: Analyzing trace with hash 133649582, now seen corresponding path program 1 times [2019-11-25 08:50:40,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:40,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15638304] [2019-11-25 08:50:40,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:40,142 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 08:50:40,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15638304] [2019-11-25 08:50:40,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:40,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:40,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629902732] [2019-11-25 08:50:40,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:50:40,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:40,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:40,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:40,145 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-11-25 08:50:40,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:40,217 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-11-25 08:50:40,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:50:40,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:50:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:40,226 INFO L225 Difference]: With dead ends: 602 [2019-11-25 08:50:40,226 INFO L226 Difference]: Without dead ends: 539 [2019-11-25 08:50:40,227 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 08:50:40,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-11-25 08:50:40,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-11-25 08:50:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-11-25 08:50:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-11-25 08:50:40,282 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-11-25 08:50:40,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:40,283 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-11-25 08:50:40,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:50:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-11-25 08:50:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:50:40,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:40,287 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 08:50:40,287 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:40,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1242473568, now seen corresponding path program 1 times [2019-11-25 08:50:40,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:40,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824038407] [2019-11-25 08:50:40,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:40,399 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 08:50:40,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824038407] [2019-11-25 08:50:40,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:40,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:50:40,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346066048] [2019-11-25 08:50:40,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:50:40,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:40,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:50:40,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:50:40,402 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 6 states. [2019-11-25 08:50:40,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:40,500 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-11-25 08:50:40,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:50:40,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-25 08:50:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:40,505 INFO L225 Difference]: With dead ends: 404 [2019-11-25 08:50:40,506 INFO L226 Difference]: Without dead ends: 350 [2019-11-25 08:50:40,506 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 08:50:40,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-25 08:50:40,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-11-25 08:50:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-11-25 08:50:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-11-25 08:50:40,521 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-11-25 08:50:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:40,523 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-11-25 08:50:40,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:50:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-11-25 08:50:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:50:40,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:40,528 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 08:50:40,528 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:40,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:40,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1475421620, now seen corresponding path program 1 times [2019-11-25 08:50:40,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:40,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363578083] [2019-11-25 08:50:40,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:40,799 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 08:50:40,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363578083] [2019-11-25 08:50:40,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:40,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:50:40,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434297029] [2019-11-25 08:50:40,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:50:40,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:40,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:50:40,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:50:40,803 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 8 states. [2019-11-25 08:50:40,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:40,928 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-11-25 08:50:40,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:50:40,929 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-25 08:50:40,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:40,932 INFO L225 Difference]: With dead ends: 521 [2019-11-25 08:50:40,932 INFO L226 Difference]: Without dead ends: 278 [2019-11-25 08:50:40,933 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 08:50:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-11-25 08:50:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-11-25 08:50:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-25 08:50:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 727 transitions. [2019-11-25 08:50:40,945 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 727 transitions. Word has length 35 [2019-11-25 08:50:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:40,946 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 727 transitions. [2019-11-25 08:50:40,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:50:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 727 transitions. [2019-11-25 08:50:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:50:40,948 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:40,948 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 08:50:40,948 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:40,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:40,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1440827028, now seen corresponding path program 2 times [2019-11-25 08:50:40,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:40,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724007288] [2019-11-25 08:50:40,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:41,142 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 08:50:41,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724007288] [2019-11-25 08:50:41,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:41,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:50:41,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092945208] [2019-11-25 08:50:41,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:50:41,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:41,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:50:41,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:50:41,144 INFO L87 Difference]: Start difference. First operand 278 states and 727 transitions. Second operand 8 states. [2019-11-25 08:50:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:41,293 INFO L93 Difference]: Finished difference Result 449 states and 1207 transitions. [2019-11-25 08:50:41,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:50:41,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-25 08:50:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:41,301 INFO L225 Difference]: With dead ends: 449 [2019-11-25 08:50:41,301 INFO L226 Difference]: Without dead ends: 266 [2019-11-25 08:50:41,302 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 08:50:41,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-11-25 08:50:41,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-11-25 08:50:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-25 08:50:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 697 transitions. [2019-11-25 08:50:41,313 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 697 transitions. Word has length 35 [2019-11-25 08:50:41,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:41,314 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 697 transitions. [2019-11-25 08:50:41,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:50:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 697 transitions. [2019-11-25 08:50:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:50:41,315 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:50:41,315 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 08:50:41,315 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:50:41,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:41,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2124924496, now seen corresponding path program 3 times [2019-11-25 08:50:41,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:41,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234483527] [2019-11-25 08:50:41,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:41,470 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 08:50:41,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234483527] [2019-11-25 08:50:41,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:41,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:50:41,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323537175] [2019-11-25 08:50:41,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:50:41,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:41,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:50:41,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:50:41,471 INFO L87 Difference]: Start difference. First operand 266 states and 697 transitions. Second operand 8 states. [2019-11-25 08:50:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:41,558 INFO L93 Difference]: Finished difference Result 212 states and 535 transitions. [2019-11-25 08:50:41,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:50:41,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-25 08:50:41,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:50:41,559 INFO L225 Difference]: With dead ends: 212 [2019-11-25 08:50:41,559 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:50:41,560 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 08:50:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:50:41,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:50:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:50:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:50:41,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-11-25 08:50:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:50:41,560 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:41,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:50:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:41,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:50:41,563 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:50:41,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:41 BasicIcfg [2019-11-25 08:50:41,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:41,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:41,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:41,568 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:41,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:39" (3/4) ... [2019-11-25 08:50:41,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:50:41,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:50:41,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:50:41,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:50:41,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:50:41,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:50:41,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:50:41,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec4908fb-2299-46d8-a613-d23bb5b59895/bin/uautomizer/witness.graphml [2019-11-25 08:50:41,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:41,659 INFO L168 Benchmark]: Toolchain (without parser) took 3715.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:41,659 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:41,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:41,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:41,665 INFO L168 Benchmark]: Boogie Preprocessor took 32.83 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 08:50:41,668 INFO L168 Benchmark]: RCFGBuilder took 359.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:41,668 INFO L168 Benchmark]: TraceAbstraction took 2553.66 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: -11.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:41,669 INFO L168 Benchmark]: Witness Printer took 89.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:41,671 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 630.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 359.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2553.66 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: -11.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 89.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 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: 2.4s, 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, 0.2s 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, 0.2s 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...