./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/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 6f458f93670c741a95bd21bba5a3c59834e850a6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:45:23,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:23,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:23,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:23,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:23,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:23,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:23,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:23,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:23,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:23,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:23,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:23,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:23,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:23,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:23,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:23,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:23,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:23,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:23,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:23,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:23,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:23,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:23,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:23,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:23,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:23,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:23,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:23,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:23,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:23,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:23,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:23,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:23,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:23,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:23,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:23,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:23,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:23,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:23,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:23,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:23,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:45:23,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:23,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:23,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:23,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:23,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:23,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:23,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:23,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:23,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:23,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:23,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:23,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:23,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:23,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:23,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:23,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:23,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:23,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:23,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:23,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:23,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:23,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:23,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:23,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:23,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:23,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:23,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:45:23,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:23,534 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_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/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 -> 6f458f93670c741a95bd21bba5a3c59834e850a6 [2019-11-25 08:45:23,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:23,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:23,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:23,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:23,738 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:23,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i [2019-11-25 08:45:23,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/data/4d8b3cecb/c07cd65b7ce3466c9206772a51d8e2f2/FLAG31f9586e0 [2019-11-25 08:45:24,273 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:24,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/sv-benchmarks/c/pthread-wmm/safe028_pso.opt.i [2019-11-25 08:45:24,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/data/4d8b3cecb/c07cd65b7ce3466c9206772a51d8e2f2/FLAG31f9586e0 [2019-11-25 08:45:24,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/data/4d8b3cecb/c07cd65b7ce3466c9206772a51d8e2f2 [2019-11-25 08:45:24,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:24,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:24,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:24,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:24,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:24,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7beeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24, skipping insertion in model container [2019-11-25 08:45:24,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:24,699 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:25,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:25,103 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:25,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:25,251 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:25,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25 WrapperNode [2019-11-25 08:45:25,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:25,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:25,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:25,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:25,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:25,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:25,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:25,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:25,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... [2019-11-25 08:45:25,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:25,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:25,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:25,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:25,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/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 08:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:45:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:45:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:45:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:45:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:45:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:45:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:45:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:45:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:25,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:25,404 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 08:45:25,743 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:25,743 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:45:25,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25 BoogieIcfgContainer [2019-11-25 08:45:25,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:25,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:25,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:25,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:25,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:24" (1/3) ... [2019-11-25 08:45:25,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b498f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:25, skipping insertion in model container [2019-11-25 08:45:25,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:25" (2/3) ... [2019-11-25 08:45:25,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b498f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:25, skipping insertion in model container [2019-11-25 08:45:25,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25" (3/3) ... [2019-11-25 08:45:25,751 INFO L109 eAbstractionObserver]: Analyzing ICFG safe028_pso.opt.i [2019-11-25 08:45:25,793 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,794 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,794 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,794 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,795 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,795 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,795 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,795 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,796 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,796 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,796 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,796 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,797 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,797 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,797 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,797 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,797 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,798 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,798 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,798 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,799 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,799 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,799 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,799 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,800 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,800 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,800 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,800 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,800 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,801 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,801 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,801 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,801 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,802 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,802 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,802 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,802 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,803 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,803 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,803 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,803 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,804 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,804 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,804 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,804 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,805 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,805 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,805 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,805 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,806 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,806 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,806 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,806 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,806 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,851 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:45:25,851 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:25,856 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:45:25,868 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:45:25,890 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:25,890 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:25,890 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:25,891 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:25,891 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:25,891 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:25,891 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:25,891 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:25,902 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-25 08:45:26,044 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-25 08:45:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-25 08:45:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:45:26,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:26,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:26,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:26,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:26,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1222528113, now seen corresponding path program 1 times [2019-11-25 08:45:26,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:26,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010257025] [2019-11-25 08:45:26,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:26,417 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 08:45:26,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010257025] [2019-11-25 08:45:26,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:26,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:45:26,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631688522] [2019-11-25 08:45:26,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:45:26,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:26,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:45:26,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:45:26,442 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-25 08:45:26,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:26,588 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-25 08:45:26,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:45:26,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-25 08:45:26,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:26,620 INFO L225 Difference]: With dead ends: 1295 [2019-11-25 08:45:26,620 INFO L226 Difference]: Without dead ends: 601 [2019-11-25 08:45:26,622 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 08:45:26,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-25 08:45:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-25 08:45:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-25 08:45:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-25 08:45:26,735 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-25 08:45:26,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:26,735 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-25 08:45:26,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:45:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-25 08:45:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:45:26,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:26,740 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 08:45:26,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:26,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:26,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1759325087, now seen corresponding path program 1 times [2019-11-25 08:45:26,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:26,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250836444] [2019-11-25 08:45:26,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:26,849 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 08:45:26,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250836444] [2019-11-25 08:45:26,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:26,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:45:26,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198215891] [2019-11-25 08:45:26,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:45:26,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:26,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:45:26,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:45:26,851 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-25 08:45:26,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:26,922 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-25 08:45:26,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:45:26,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-25 08:45:26,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:26,928 INFO L225 Difference]: With dead ends: 601 [2019-11-25 08:45:26,928 INFO L226 Difference]: Without dead ends: 538 [2019-11-25 08:45:26,929 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 08:45:26,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-25 08:45:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-25 08:45:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-25 08:45:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-25 08:45:26,956 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-25 08:45:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:26,957 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-25 08:45:26,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:45:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-25 08:45:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:45:26,959 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:26,960 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 08:45:26,960 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:26,960 INFO L82 PathProgramCache]: Analyzing trace with hash 784371783, now seen corresponding path program 1 times [2019-11-25 08:45:26,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:26,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335806159] [2019-11-25 08:45:26,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:27,100 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 08:45:27,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335806159] [2019-11-25 08:45:27,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:27,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:45:27,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703799858] [2019-11-25 08:45:27,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:45:27,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:27,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:45:27,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:45:27,103 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-25 08:45:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:27,312 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-25 08:45:27,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:45:27,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-25 08:45:27,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:27,316 INFO L225 Difference]: With dead ends: 403 [2019-11-25 08:45:27,317 INFO L226 Difference]: Without dead ends: 349 [2019-11-25 08:45:27,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:45:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-25 08:45:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-25 08:45:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-25 08:45:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-25 08:45:27,334 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-25 08:45:27,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:27,334 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-25 08:45:27,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:45:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-25 08:45:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:45:27,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:27,339 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 08:45:27,339 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:27,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:27,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1086663391, now seen corresponding path program 1 times [2019-11-25 08:45:27,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:27,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669861945] [2019-11-25 08:45:27,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:27,553 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 08:45:27,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669861945] [2019-11-25 08:45:27,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:27,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:45:27,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790585242] [2019-11-25 08:45:27,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:45:27,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:27,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:45:27,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:45:27,555 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-11-25 08:45:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:27,731 INFO L93 Difference]: Finished difference Result 520 states and 1395 transitions. [2019-11-25 08:45:27,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:45:27,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-25 08:45:27,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:27,734 INFO L225 Difference]: With dead ends: 520 [2019-11-25 08:45:27,735 INFO L226 Difference]: Without dead ends: 277 [2019-11-25 08:45:27,735 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:45:27,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2019-11-25 08:45:27,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2019-11-25 08:45:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-11-25 08:45:27,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 726 transitions. [2019-11-25 08:45:27,747 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 726 transitions. Word has length 34 [2019-11-25 08:45:27,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:27,748 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 726 transitions. [2019-11-25 08:45:27,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:45:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 726 transitions. [2019-11-25 08:45:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:45:27,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:27,749 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 08:45:27,749 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:27,750 INFO L82 PathProgramCache]: Analyzing trace with hash 142051721, now seen corresponding path program 2 times [2019-11-25 08:45:27,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:27,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257151921] [2019-11-25 08:45:27,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:27,898 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 08:45:27,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257151921] [2019-11-25 08:45:27,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:27,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:45:27,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173899411] [2019-11-25 08:45:27,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:45:27,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:27,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:45:27,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:45:27,900 INFO L87 Difference]: Start difference. First operand 277 states and 726 transitions. Second operand 7 states. [2019-11-25 08:45:28,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:28,062 INFO L93 Difference]: Finished difference Result 439 states and 1185 transitions. [2019-11-25 08:45:28,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:45:28,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-25 08:45:28,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:28,071 INFO L225 Difference]: With dead ends: 439 [2019-11-25 08:45:28,072 INFO L226 Difference]: Without dead ends: 253 [2019-11-25 08:45:28,072 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:45:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-11-25 08:45:28,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-11-25 08:45:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-11-25 08:45:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-11-25 08:45:28,080 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-11-25 08:45:28,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:28,081 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-11-25 08:45:28,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:45:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-11-25 08:45:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:45:28,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:28,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:28,082 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:28,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:28,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1624324137, now seen corresponding path program 3 times [2019-11-25 08:45:28,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:28,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258734572] [2019-11-25 08:45:28,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:28,245 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 08:45:28,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258734572] [2019-11-25 08:45:28,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:28,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:45:28,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036231967] [2019-11-25 08:45:28,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:45:28,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:28,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:45:28,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:45:28,248 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-11-25 08:45:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:28,357 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-11-25 08:45:28,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:45:28,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-25 08:45:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:28,358 INFO L225 Difference]: With dead ends: 199 [2019-11-25 08:45:28,358 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:45:28,359 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 08:45:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:45:28,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:45:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:45:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:45:28,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-25 08:45:28,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:28,360 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:45:28,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:45:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:45:28,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:45:28,363 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:45:28,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:45:28 BasicIcfg [2019-11-25 08:45:28,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:45:28,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:45:28,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:45:28,366 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:45:28,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25" (3/4) ... [2019-11-25 08:45:28,370 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:45:28,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:45:28,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:45:28,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:45:28,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:45:28,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:45:28,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:45:28,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5dcfa3a6-2064-456c-8a39-0e0bbd7ea3b3/bin/uautomizer/witness.graphml [2019-11-25 08:45:28,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:45:28,442 INFO L168 Benchmark]: Toolchain (without parser) took 3808.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 944.7 MB in the beginning and 863.7 MB in the end (delta: 81.0 MB). Peak memory consumption was 256.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:28,445 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:28,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:28,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.16 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 08:45:28,447 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:28,451 INFO L168 Benchmark]: RCFGBuilder took 422.37 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:28,452 INFO L168 Benchmark]: TraceAbstraction took 2620.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.2 MB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:28,452 INFO L168 Benchmark]: Witness Printer took 74.15 ms. Allocated memory is still 1.2 GB. Free memory was 870.2 MB in the beginning and 863.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:28,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.16 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 25.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 422.37 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2620.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.2 MB in the end (delta: 235.3 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. * Witness Printer took 74.15 ms. Allocated memory is still 1.2 GB. Free memory was 870.2 MB in the beginning and 863.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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, 90 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 309 SDtfs, 363 SDslu, 847 SDs, 0 SdLazy, 119 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 19032 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...