./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/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 13aae27065bb7dffa1fd544b3b6a601825eda2e2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:01:01,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:01:01,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:01:01,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:01:01,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:01:01,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:01:01,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:01:01,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:01:01,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:01:01,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:01:01,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:01:01,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:01:01,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:01:01,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:01:01,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:01:01,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:01:01,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:01:01,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:01:01,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:01:01,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:01:01,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:01:01,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:01:01,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:01:01,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:01:01,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:01:01,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:01:01,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:01:01,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:01:01,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:01:01,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:01:01,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:01:01,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:01:01,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:01:01,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:01:01,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:01:01,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:01:01,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:01:01,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:01:01,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:01:01,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:01:01,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:01:01,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:01:01,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:01:01,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:01:01,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:01:01,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:01:01,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:01:01,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:01:01,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:01:01,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:01:01,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:01:01,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:01:01,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:01:01,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:01:01,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:01:01,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:01:01,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:01:01,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:01:01,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:01:01,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:01:01,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:01:01,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:01:01,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:01:01,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:01:01,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:01:01,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:01:01,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:01:01,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:01:01,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:01:01,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:01:01,354 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_1c34e572-e924-4ea6-bc0d-57e2f741954f/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 -> 13aae27065bb7dffa1fd544b3b6a601825eda2e2 [2019-11-15 22:01:01,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:01:01,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:01:01,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:01:01,399 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:01:01,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:01:01,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe018_tso.oepc.i [2019-11-15 22:01:01,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/data/788734213/473a70e56b3f4521a433d3bc990b6486/FLAGc7f3b23bd [2019-11-15 22:01:01,971 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:01:01,976 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/sv-benchmarks/c/pthread-wmm/safe018_tso.oepc.i [2019-11-15 22:01:01,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/data/788734213/473a70e56b3f4521a433d3bc990b6486/FLAGc7f3b23bd [2019-11-15 22:01:02,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/data/788734213/473a70e56b3f4521a433d3bc990b6486 [2019-11-15 22:01:02,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:01:02,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:01:02,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:01:02,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:01:02,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:01:02,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cec78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02, skipping insertion in model container [2019-11-15 22:01:02,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:01:02,275 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:01:02,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:01:02,681 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:01:02,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:01:02,840 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:01:02,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02 WrapperNode [2019-11-15 22:01:02,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:01:02,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:01:02,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:01:02,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:01:02,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:01:02,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:01:02,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:01:02,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:01:02,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... [2019-11-15 22:01:02,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:01:02,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:01:02,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:01:02,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:01:02,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/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 [2019-11-15 22:01:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:01:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 22:01:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:01:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:01:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 22:01:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 22:01:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 22:01:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 22:01:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 22:01:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 22:01:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 22:01:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:01:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:01:03,056 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:01:03,429 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:01:03,429 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 22:01:03,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:01:03 BoogieIcfgContainer [2019-11-15 22:01:03,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:01:03,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:01:03,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:01:03,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:01:03,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:01:02" (1/3) ... [2019-11-15 22:01:03,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef0e85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:01:03, skipping insertion in model container [2019-11-15 22:01:03,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:01:02" (2/3) ... [2019-11-15 22:01:03,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef0e85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:01:03, skipping insertion in model container [2019-11-15 22:01:03,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:01:03" (3/3) ... [2019-11-15 22:01:03,439 INFO L109 eAbstractionObserver]: Analyzing ICFG safe018_tso.oepc.i [2019-11-15 22:01:03,472 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,472 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,472 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,472 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,473 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,473 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,474 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,474 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,474 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,474 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,474 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,475 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,475 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,475 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,475 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,476 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,476 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,476 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:01:03,488 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:01:03,489 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:01:03,499 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:01:03,510 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:01:03,534 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:01:03,534 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:01:03,534 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:01:03,535 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:01:03,535 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:01:03,535 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:01:03,535 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:01:03,535 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:01:03,543 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-15 22:01:03,636 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-15 22:01:03,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-15 22:01:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:01:03,670 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:03,671 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:03,673 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:03,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:03,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1556438276, now seen corresponding path program 1 times [2019-11-15 22:01:03,687 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:03,688 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280150683] [2019-11-15 22:01:03,688 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:03,688 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:03,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:04,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280150683] [2019-11-15 22:01:04,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:04,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:01:04,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89513906] [2019-11-15 22:01:04,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:01:04,047 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:04,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:01:04,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:01:04,065 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-15 22:01:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:04,181 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-15 22:01:04,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:01:04,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-15 22:01:04,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:04,220 INFO L225 Difference]: With dead ends: 1294 [2019-11-15 22:01:04,220 INFO L226 Difference]: Without dead ends: 600 [2019-11-15 22:01:04,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:01:04,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-15 22:01:04,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-15 22:01:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-15 22:01:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-15 22:01:04,381 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-15 22:01:04,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:04,383 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-15 22:01:04,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:01:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-15 22:01:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:01:04,387 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:04,388 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:04,388 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:04,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:04,389 INFO L82 PathProgramCache]: Analyzing trace with hash 853802106, now seen corresponding path program 1 times [2019-11-15 22:01:04,389 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:04,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736171090] [2019-11-15 22:01:04,389 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:04,390 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:04,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:04,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736171090] [2019-11-15 22:01:04,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:04,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:01:04,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553818162] [2019-11-15 22:01:04,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:01:04,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:04,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:01:04,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:01:04,560 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-15 22:01:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:04,752 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-15 22:01:04,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:01:04,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-15 22:01:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:04,759 INFO L225 Difference]: With dead ends: 600 [2019-11-15 22:01:04,759 INFO L226 Difference]: Without dead ends: 537 [2019-11-15 22:01:04,760 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:01:04,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-15 22:01:04,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-15 22:01:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-15 22:01:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-15 22:01:04,788 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-15 22:01:04,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:04,788 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-15 22:01:04,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:01:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-15 22:01:04,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:01:04,791 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:04,791 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:04,792 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:04,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:04,792 INFO L82 PathProgramCache]: Analyzing trace with hash -872448980, now seen corresponding path program 1 times [2019-11-15 22:01:04,792 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:04,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727041269] [2019-11-15 22:01:04,793 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:04,793 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:04,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:04,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727041269] [2019-11-15 22:01:04,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:04,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:01:04,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039664195] [2019-11-15 22:01:04,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:01:04,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:04,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:01:04,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:01:04,936 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-15 22:01:05,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:05,069 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-15 22:01:05,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:01:05,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 22:01:05,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:05,074 INFO L225 Difference]: With dead ends: 402 [2019-11-15 22:01:05,074 INFO L226 Difference]: Without dead ends: 348 [2019-11-15 22:01:05,075 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:01:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-15 22:01:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-15 22:01:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-15 22:01:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-15 22:01:05,088 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-15 22:01:05,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:05,089 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-15 22:01:05,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:01:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-15 22:01:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:01:05,092 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:05,092 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:05,092 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:05,092 INFO L82 PathProgramCache]: Analyzing trace with hash 514878493, now seen corresponding path program 1 times [2019-11-15 22:01:05,093 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:05,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252377618] [2019-11-15 22:01:05,093 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:05,093 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:05,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:05,335 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252377618] [2019-11-15 22:01:05,335 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:05,335 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:01:05,336 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806123639] [2019-11-15 22:01:05,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:01:05,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:01:05,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:01:05,337 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-15 22:01:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:05,535 INFO L93 Difference]: Finished difference Result 528 states and 1415 transitions. [2019-11-15 22:01:05,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:01:05,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 22:01:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:05,539 INFO L225 Difference]: With dead ends: 528 [2019-11-15 22:01:05,539 INFO L226 Difference]: Without dead ends: 357 [2019-11-15 22:01:05,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:01:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-11-15 22:01:05,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 348. [2019-11-15 22:01:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-15 22:01:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 911 transitions. [2019-11-15 22:01:05,554 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 911 transitions. Word has length 33 [2019-11-15 22:01:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:05,555 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 911 transitions. [2019-11-15 22:01:05,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:01:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 911 transitions. [2019-11-15 22:01:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:01:05,557 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:05,557 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:05,557 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:05,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:05,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1719229001, now seen corresponding path program 2 times [2019-11-15 22:01:05,558 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:05,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621290885] [2019-11-15 22:01:05,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:05,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:05,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:05,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621290885] [2019-11-15 22:01:05,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:05,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:01:05,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787410481] [2019-11-15 22:01:05,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:01:05,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:05,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:01:05,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:01:05,736 INFO L87 Difference]: Start difference. First operand 348 states and 911 transitions. Second operand 8 states. [2019-11-15 22:01:05,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:05,895 INFO L93 Difference]: Finished difference Result 510 states and 1370 transitions. [2019-11-15 22:01:05,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:01:05,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-11-15 22:01:05,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:05,900 INFO L225 Difference]: With dead ends: 510 [2019-11-15 22:01:05,900 INFO L226 Difference]: Without dead ends: 276 [2019-11-15 22:01:05,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:01:05,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-15 22:01:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-15 22:01:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-15 22:01:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 725 transitions. [2019-11-15 22:01:05,914 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 725 transitions. Word has length 33 [2019-11-15 22:01:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:05,916 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 725 transitions. [2019-11-15 22:01:05,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:01:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 725 transitions. [2019-11-15 22:01:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:01:05,921 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:05,921 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:05,922 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 263293055, now seen corresponding path program 3 times [2019-11-15 22:01:05,923 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:05,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403562551] [2019-11-15 22:01:05,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:05,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:05,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:06,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403562551] [2019-11-15 22:01:06,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:06,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:01:06,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219121462] [2019-11-15 22:01:06,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:01:06,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:06,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:01:06,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:01:06,079 INFO L87 Difference]: Start difference. First operand 276 states and 725 transitions. Second operand 7 states. [2019-11-15 22:01:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:06,220 INFO L93 Difference]: Finished difference Result 447 states and 1205 transitions. [2019-11-15 22:01:06,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:01:06,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 22:01:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:06,224 INFO L225 Difference]: With dead ends: 447 [2019-11-15 22:01:06,224 INFO L226 Difference]: Without dead ends: 264 [2019-11-15 22:01:06,225 INFO L600 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 [2019-11-15 22:01:06,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-15 22:01:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-11-15 22:01:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-15 22:01:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-11-15 22:01:06,235 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-11-15 22:01:06,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:06,236 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-11-15 22:01:06,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:01:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-11-15 22:01:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:01:06,237 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:01:06,237 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:01:06,237 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:01:06,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:01:06,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1959544971, now seen corresponding path program 4 times [2019-11-15 22:01:06,238 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:01:06,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508640241] [2019-11-15 22:01:06,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:06,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:01:06,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:01:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:01:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:01:06,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508640241] [2019-11-15 22:01:06,326 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:01:06,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:01:06,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537865847] [2019-11-15 22:01:06,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:01:06,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:01:06,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:01:06,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:01:06,327 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 7 states. [2019-11-15 22:01:06,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:01:06,426 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-11-15 22:01:06,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:01:06,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-15 22:01:06,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:01:06,427 INFO L225 Difference]: With dead ends: 210 [2019-11-15 22:01:06,427 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:01:06,427 INFO L600 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 [2019-11-15 22:01:06,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:01:06,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:01:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:01:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:01:06,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-15 22:01:06,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:01:06,428 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:01:06,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:01:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:01:06,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:01:06,431 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 22:01:06,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:01:06 BasicIcfg [2019-11-15 22:01:06,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:01:06,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:01:06,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:01:06,434 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:01:06,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:01:03" (3/4) ... [2019-11-15 22:01:06,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:01:06,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 22:01:06,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 22:01:06,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 22:01:06,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 22:01:06,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 22:01:06,525 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1c34e572-e924-4ea6-bc0d-57e2f741954f/bin/uautomizer/witness.graphml [2019-11-15 22:01:06,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:01:06,531 INFO L168 Benchmark]: Toolchain (without parser) took 4326.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:01:06,533 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-11-15 22:01:06,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:01:06,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.53 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. [2019-11-15 22:01:06,535 INFO L168 Benchmark]: Boogie Preprocessor took 57.50 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. [2019-11-15 22:01:06,538 INFO L168 Benchmark]: RCFGBuilder took 453.71 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. [2019-11-15 22:01:06,539 INFO L168 Benchmark]: TraceAbstraction took 3002.03 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: -5.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:01:06,539 INFO L168 Benchmark]: Witness Printer took 95.19 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. [2019-11-15 22:01:06,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 636.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.53 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 57.50 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 453.71 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 3002.03 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: -5.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 95.19 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 7 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 332 SDtfs, 441 SDslu, 931 SDs, 0 SdLazy, 149 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 21198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...