./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/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 eca14b1c5c5e18905aebb27c71c7fb4b781dcc00 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:00:25,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:00:25,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:00:25,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:00:25,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:00:25,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:00:25,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:00:25,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:00:25,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:00:25,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:00:25,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:00:25,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:00:25,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:00:25,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:00:25,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:00:25,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:00:25,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:00:25,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:00:25,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:00:25,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:00:25,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:00:25,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:00:25,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:00:25,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:00:25,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:00:25,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:00:25,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:00:25,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:00:25,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:00:25,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:00:25,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:00:25,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:00:25,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:00:25,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:00:25,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:00:25,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:00:25,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:00:25,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:00:25,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:00:25,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:00:25,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:00:25,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:00:25,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:00:25,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:00:25,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:00:25,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:00:25,513 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:00:25,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:00:25,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:00:25,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:00:25,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:00:25,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:00:25,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:00:25,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:00:25,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:00:25,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:00:25,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:00:25,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:00:25,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:00:25,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:00:25,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:00:25,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:00:25,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:00:25,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:00:25,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:00:25,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:00:25,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:00:25,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:00:25,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:00:25,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:00:25,518 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_f6981677-5dde-4022-baa8-26fdca4a2d54/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 -> eca14b1c5c5e18905aebb27c71c7fb4b781dcc00 [2019-11-19 23:00:25,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:00:25,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:00:25,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:00:25,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:00:25,682 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:00:25,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc.i [2019-11-19 23:00:25,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/data/b5a883779/03d0e486c06c4e4da264b4df20c2e71f/FLAG505a4e795 [2019-11-19 23:00:26,165 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:00:26,165 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc.i [2019-11-19 23:00:26,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/data/b5a883779/03d0e486c06c4e4da264b4df20c2e71f/FLAG505a4e795 [2019-11-19 23:00:26,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/data/b5a883779/03d0e486c06c4e4da264b4df20c2e71f [2019-11-19 23:00:26,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:00:26,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:00:26,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:00:26,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:00:26,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:00:26,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92a6523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26, skipping insertion in model container [2019-11-19 23:00:26,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:00:26,244 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:00:26,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:00:26,630 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:00:26,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:00:26,770 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:00:26,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26 WrapperNode [2019-11-19 23:00:26,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:00:26,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:00:26,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:00:26,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:00:26,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:00:26,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:00:26,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:00:26,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:00:26,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... [2019-11-19 23:00:26,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:00:26,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:00:26,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:00:26,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:00:26,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/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 [2019-11-19 23:00:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:00:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 23:00:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:00:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:00:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 23:00:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 23:00:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 23:00:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 23:00:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 23:00:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 23:00:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-19 23:00:26,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-19 23:00:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 23:00:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:00:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:00:26,931 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 23:00:27,288 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:00:27,288 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 23:00:27,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:00:27 BoogieIcfgContainer [2019-11-19 23:00:27,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:00:27,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:00:27,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:00:27,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:00:27,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:00:26" (1/3) ... [2019-11-19 23:00:27,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762b70eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:00:27, skipping insertion in model container [2019-11-19 23:00:27,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:00:26" (2/3) ... [2019-11-19 23:00:27,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762b70eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:00:27, skipping insertion in model container [2019-11-19 23:00:27,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:00:27" (3/3) ... [2019-11-19 23:00:27,296 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2019-11-19 23:00:27,353 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,353 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,354 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,354 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,354 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,355 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,356 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,356 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,356 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,357 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,357 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,357 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,358 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork11_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,358 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork11_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,359 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork11_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,359 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork11_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,362 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork11_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,362 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork11_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,363 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,363 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,363 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,364 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,365 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,365 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,365 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,366 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,366 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,366 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,367 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,367 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,368 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,368 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,368 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,368 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,369 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,369 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork9_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,370 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork9_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,370 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork9_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,371 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork9_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork9_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,371 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork9_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,372 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,372 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,372 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,373 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,374 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,374 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,374 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,374 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,375 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,375 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,375 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,376 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,376 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,376 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,376 WARN L315 ript$VariableManager]: TermVariabe |P3Thread2of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,377 WARN L315 ript$VariableManager]: TermVariabe |P3Thread2of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,377 WARN L315 ript$VariableManager]: TermVariabe P3Thread2of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,377 WARN L315 ript$VariableManager]: TermVariabe P3Thread2of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,377 WARN L315 ript$VariableManager]: TermVariabe |P3Thread2of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,377 WARN L315 ript$VariableManager]: TermVariabe |P3Thread2of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,378 WARN L315 ript$VariableManager]: TermVariabe |P3Thread3of3ForFork10_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,378 WARN L315 ript$VariableManager]: TermVariabe |P3Thread3of3ForFork10_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,378 WARN L315 ript$VariableManager]: TermVariabe P3Thread3of3ForFork10_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,378 WARN L315 ript$VariableManager]: TermVariabe P3Thread3of3ForFork10_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,379 WARN L315 ript$VariableManager]: TermVariabe |P3Thread3of3ForFork10_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,379 WARN L315 ript$VariableManager]: TermVariabe |P3Thread3of3ForFork10_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 23:00:27,409 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 23:00:27,410 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:00:27,416 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:00:27,426 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:00:27,445 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:00:27,445 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:00:27,445 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:00:27,445 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:00:27,446 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:00:27,446 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:00:27,446 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:00:27,446 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:00:27,458 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 120 places, 92 transitions [2019-11-19 23:08:10,490 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 422272 states. [2019-11-19 23:08:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 422272 states. [2019-11-19 23:08:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:08:10,821 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:08:10,822 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:08:10,823 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:08:10,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:08:10,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1734521025, now seen corresponding path program 1 times [2019-11-19 23:08:10,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:08:10,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171062630] [2019-11-19 23:08:10,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:08:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:08:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:08:11,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171062630] [2019-11-19 23:08:11,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:08:11,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:08:11,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329825823] [2019-11-19 23:08:11,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:08:11,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:08:11,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:08:11,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:08:11,332 INFO L87 Difference]: Start difference. First operand 422272 states. Second operand 4 states. [2019-11-19 23:08:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:08:17,133 INFO L93 Difference]: Finished difference Result 441469 states and 1720512 transitions. [2019-11-19 23:08:17,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:08:17,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-11-19 23:08:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:08:18,334 INFO L225 Difference]: With dead ends: 441469 [2019-11-19 23:08:18,334 INFO L226 Difference]: Without dead ends: 172873 [2019-11-19 23:08:18,337 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:08:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172873 states. [2019-11-19 23:08:27,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172873 to 172873. [2019-11-19 23:08:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172873 states. [2019-11-19 23:08:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172873 states to 172873 states and 667755 transitions. [2019-11-19 23:08:28,079 INFO L78 Accepts]: Start accepts. Automaton has 172873 states and 667755 transitions. Word has length 35 [2019-11-19 23:08:28,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:08:28,081 INFO L462 AbstractCegarLoop]: Abstraction has 172873 states and 667755 transitions. [2019-11-19 23:08:28,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:08:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 172873 states and 667755 transitions. [2019-11-19 23:08:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 23:08:28,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:08:28,341 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:08:28,342 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:08:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:08:28,343 INFO L82 PathProgramCache]: Analyzing trace with hash -227606651, now seen corresponding path program 1 times [2019-11-19 23:08:28,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:08:28,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265891454] [2019-11-19 23:08:28,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:08:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:08:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:08:28,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265891454] [2019-11-19 23:08:28,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:08:28,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:08:28,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188611742] [2019-11-19 23:08:28,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:08:28,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:08:28,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:08:28,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:08:28,545 INFO L87 Difference]: Start difference. First operand 172873 states and 667755 transitions. Second operand 5 states. [2019-11-19 23:08:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:08:30,190 INFO L93 Difference]: Finished difference Result 186724 states and 698859 transitions. [2019-11-19 23:08:30,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:08:30,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-19 23:08:30,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:08:33,527 INFO L225 Difference]: With dead ends: 186724 [2019-11-19 23:08:33,527 INFO L226 Difference]: Without dead ends: 166069 [2019-11-19 23:08:33,530 INFO L630 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 [2019-11-19 23:08:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166069 states. [2019-11-19 23:08:40,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166069 to 166069. [2019-11-19 23:08:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166069 states. [2019-11-19 23:08:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166069 states to 166069 states and 636003 transitions. [2019-11-19 23:08:41,433 INFO L78 Accepts]: Start accepts. Automaton has 166069 states and 636003 transitions. Word has length 36 [2019-11-19 23:08:41,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:08:41,434 INFO L462 AbstractCegarLoop]: Abstraction has 166069 states and 636003 transitions. [2019-11-19 23:08:41,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:08:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 166069 states and 636003 transitions. [2019-11-19 23:08:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 23:08:41,640 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:08:41,640 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:08:41,641 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:08:41,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:08:41,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1973214235, now seen corresponding path program 1 times [2019-11-19 23:08:41,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:08:41,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996196728] [2019-11-19 23:08:41,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:08:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:08:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:08:41,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996196728] [2019-11-19 23:08:41,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:08:41,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 23:08:41,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722439681] [2019-11-19 23:08:41,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:08:41,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:08:41,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:08:41,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:08:41,859 INFO L87 Difference]: Start difference. First operand 166069 states and 636003 transitions. Second operand 6 states. [2019-11-19 23:08:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:08:45,000 INFO L93 Difference]: Finished difference Result 155134 states and 566019 transitions. [2019-11-19 23:08:45,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:08:45,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-19 23:08:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:08:45,496 INFO L225 Difference]: With dead ends: 155134 [2019-11-19 23:08:45,496 INFO L226 Difference]: Without dead ends: 135451 [2019-11-19 23:08:45,497 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 [2019-11-19 23:08:47,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135451 states. [2019-11-19 23:08:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135451 to 135451. [2019-11-19 23:08:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135451 states. [2019-11-19 23:08:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135451 states to 135451 states and 503325 transitions. [2019-11-19 23:08:51,529 INFO L78 Accepts]: Start accepts. Automaton has 135451 states and 503325 transitions. Word has length 37 [2019-11-19 23:08:51,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:08:51,530 INFO L462 AbstractCegarLoop]: Abstraction has 135451 states and 503325 transitions. [2019-11-19 23:08:51,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:08:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 135451 states and 503325 transitions. [2019-11-19 23:08:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:08:51,695 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:08:51,696 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:08:51,696 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:08:51,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:08:51,697 INFO L82 PathProgramCache]: Analyzing trace with hash -889131704, now seen corresponding path program 1 times [2019-11-19 23:08:51,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:08:51,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387047303] [2019-11-19 23:08:51,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:08:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:08:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:08:51,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387047303] [2019-11-19 23:08:51,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:08:51,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 23:08:51,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936133572] [2019-11-19 23:08:51,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:08:51,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:08:51,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:08:51,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:08:51,875 INFO L87 Difference]: Start difference. First operand 135451 states and 503325 transitions. Second operand 7 states. [2019-11-19 23:08:52,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:08:52,743 INFO L93 Difference]: Finished difference Result 89524 states and 310869 transitions. [2019-11-19 23:08:52,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 23:08:52,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2019-11-19 23:08:52,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:08:52,943 INFO L225 Difference]: With dead ends: 89524 [2019-11-19 23:08:52,943 INFO L226 Difference]: Without dead ends: 74215 [2019-11-19 23:08:52,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-11-19 23:08:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74215 states. [2019-11-19 23:08:56,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74215 to 74215. [2019-11-19 23:08:56,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74215 states. [2019-11-19 23:08:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74215 states to 74215 states and 258381 transitions. [2019-11-19 23:08:56,477 INFO L78 Accepts]: Start accepts. Automaton has 74215 states and 258381 transitions. Word has length 38 [2019-11-19 23:08:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:08:56,478 INFO L462 AbstractCegarLoop]: Abstraction has 74215 states and 258381 transitions. [2019-11-19 23:08:56,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:08:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 74215 states and 258381 transitions. [2019-11-19 23:08:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:08:56,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:08:56,587 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:08:56,588 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:08:56,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:08:56,588 INFO L82 PathProgramCache]: Analyzing trace with hash 200106154, now seen corresponding path program 1 times [2019-11-19 23:08:56,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:08:56,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150580951] [2019-11-19 23:08:56,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:08:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:08:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:08:56,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150580951] [2019-11-19 23:08:56,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:08:56,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 23:08:56,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324129335] [2019-11-19 23:08:56,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:08:56,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:08:56,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:08:56,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:08:56,844 INFO L87 Difference]: Start difference. First operand 74215 states and 258381 transitions. Second operand 8 states. [2019-11-19 23:08:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:08:58,856 INFO L93 Difference]: Finished difference Result 169228 states and 586755 transitions. [2019-11-19 23:08:58,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 23:08:58,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-11-19 23:08:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:08:59,080 INFO L225 Difference]: With dead ends: 169228 [2019-11-19 23:08:59,081 INFO L226 Difference]: Without dead ends: 73405 [2019-11-19 23:08:59,081 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2019-11-19 23:08:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73405 states. [2019-11-19 23:09:01,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73405 to 66115. [2019-11-19 23:09:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66115 states. [2019-11-19 23:09:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66115 states to 66115 states and 229059 transitions. [2019-11-19 23:09:01,294 INFO L78 Accepts]: Start accepts. Automaton has 66115 states and 229059 transitions. Word has length 39 [2019-11-19 23:09:01,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:09:01,295 INFO L462 AbstractCegarLoop]: Abstraction has 66115 states and 229059 transitions. [2019-11-19 23:09:01,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:09:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand 66115 states and 229059 transitions. [2019-11-19 23:09:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:09:01,370 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:09:01,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:09:01,371 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:09:01,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:09:01,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1307238364, now seen corresponding path program 2 times [2019-11-19 23:09:01,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:09:01,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342078121] [2019-11-19 23:09:01,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:09:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:01,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342078121] [2019-11-19 23:09:01,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:09:01,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 23:09:01,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120652094] [2019-11-19 23:09:01,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:09:01,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:09:01,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:09:01,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:09:01,569 INFO L87 Difference]: Start difference. First operand 66115 states and 229059 transitions. Second operand 8 states. [2019-11-19 23:09:02,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:09:02,262 INFO L93 Difference]: Finished difference Result 110584 states and 383607 transitions. [2019-11-19 23:09:02,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:09:02,263 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-11-19 23:09:02,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:09:02,435 INFO L225 Difference]: With dead ends: 110584 [2019-11-19 23:09:02,435 INFO L226 Difference]: Without dead ends: 63379 [2019-11-19 23:09:02,436 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-19 23:09:03,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63379 states. [2019-11-19 23:09:04,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63379 to 63379. [2019-11-19 23:09:04,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63379 states. [2019-11-19 23:09:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63379 states to 63379 states and 219951 transitions. [2019-11-19 23:09:04,764 INFO L78 Accepts]: Start accepts. Automaton has 63379 states and 219951 transitions. Word has length 39 [2019-11-19 23:09:04,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:09:04,764 INFO L462 AbstractCegarLoop]: Abstraction has 63379 states and 219951 transitions. [2019-11-19 23:09:04,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:09:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 63379 states and 219951 transitions. [2019-11-19 23:09:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:09:04,821 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:09:04,822 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:09:04,822 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:09:04,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:09:04,822 INFO L82 PathProgramCache]: Analyzing trace with hash -429974820, now seen corresponding path program 3 times [2019-11-19 23:09:04,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:09:04,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853330324] [2019-11-19 23:09:04,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:09:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:04,979 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853330324] [2019-11-19 23:09:04,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:09:04,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 23:09:04,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538356539] [2019-11-19 23:09:04,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:09:04,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:09:04,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:09:04,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:09:04,981 INFO L87 Difference]: Start difference. First operand 63379 states and 219951 transitions. Second operand 7 states. [2019-11-19 23:09:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:09:05,654 INFO L93 Difference]: Finished difference Result 104932 states and 364293 transitions. [2019-11-19 23:09:05,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:09:05,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2019-11-19 23:09:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:09:05,825 INFO L225 Difference]: With dead ends: 104932 [2019-11-19 23:09:05,825 INFO L226 Difference]: Without dead ends: 62407 [2019-11-19 23:09:05,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-19 23:09:06,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62407 states. [2019-11-19 23:09:07,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62407 to 62407. [2019-11-19 23:09:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62407 states. [2019-11-19 23:09:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62407 states to 62407 states and 217521 transitions. [2019-11-19 23:09:08,134 INFO L78 Accepts]: Start accepts. Automaton has 62407 states and 217521 transitions. Word has length 39 [2019-11-19 23:09:08,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:09:08,135 INFO L462 AbstractCegarLoop]: Abstraction has 62407 states and 217521 transitions. [2019-11-19 23:09:08,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:09:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 62407 states and 217521 transitions. [2019-11-19 23:09:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:09:08,193 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:09:08,193 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:09:08,194 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:09:08,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:09:08,194 INFO L82 PathProgramCache]: Analyzing trace with hash 2029306502, now seen corresponding path program 4 times [2019-11-19 23:09:08,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:09:08,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562826248] [2019-11-19 23:09:08,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:09:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:08,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562826248] [2019-11-19 23:09:08,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:09:08,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 23:09:08,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139292602] [2019-11-19 23:09:08,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:09:08,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:09:08,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:09:08,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:09:08,387 INFO L87 Difference]: Start difference. First operand 62407 states and 217521 transitions. Second operand 8 states. [2019-11-19 23:09:08,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:09:08,953 INFO L93 Difference]: Finished difference Result 101773 states and 355302 transitions. [2019-11-19 23:09:08,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 23:09:08,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-11-19 23:09:08,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:09:09,121 INFO L225 Difference]: With dead ends: 101773 [2019-11-19 23:09:09,122 INFO L226 Difference]: Without dead ends: 57304 [2019-11-19 23:09:09,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-19 23:09:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57304 states. [2019-11-19 23:09:11,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57304 to 57304. [2019-11-19 23:09:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57304 states. [2019-11-19 23:09:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57304 states to 57304 states and 199053 transitions. [2019-11-19 23:09:11,235 INFO L78 Accepts]: Start accepts. Automaton has 57304 states and 199053 transitions. Word has length 39 [2019-11-19 23:09:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:09:11,236 INFO L462 AbstractCegarLoop]: Abstraction has 57304 states and 199053 transitions. [2019-11-19 23:09:11,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:09:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 57304 states and 199053 transitions. [2019-11-19 23:09:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 23:09:11,292 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:09:11,292 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:09:11,293 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:09:11,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:09:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash 488189776, now seen corresponding path program 5 times [2019-11-19 23:09:11,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:09:11,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886146179] [2019-11-19 23:09:11,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:09:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:11,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886146179] [2019-11-19 23:09:11,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:09:11,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 23:09:11,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907444146] [2019-11-19 23:09:11,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:09:11,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:09:11,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:09:11,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:09:11,418 INFO L87 Difference]: Start difference. First operand 57304 states and 199053 transitions. Second operand 7 states. [2019-11-19 23:09:11,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:09:11,819 INFO L93 Difference]: Finished difference Result 44182 states and 150939 transitions. [2019-11-19 23:09:11,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:09:11,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2019-11-19 23:09:11,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:09:11,820 INFO L225 Difference]: With dead ends: 44182 [2019-11-19 23:09:11,820 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:09:11,820 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 [2019-11-19 23:09:11,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:09:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:09:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:09:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:09:11,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-19 23:09:11,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:09:11,821 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:09:11,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:09:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:09:11,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:09:11,825 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 23:09:11,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:09:11 BasicIcfg [2019-11-19 23:09:11,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:09:11,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:09:11,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:09:11,829 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:09:11,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:00:27" (3/4) ... [2019-11-19 23:09:11,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:09:11,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 23:09:11,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 23:09:11,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 23:09:11,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2019-11-19 23:09:11,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-19 23:09:11,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:09:11,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:09:11,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f6981677-5dde-4022-baa8-26fdca4a2d54/bin/uautomizer/witness.graphml [2019-11-19 23:09:11,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:09:11,911 INFO L168 Benchmark]: Toolchain (without parser) took 525715.01 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 940.7 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-11-19 23:09:11,912 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:09:11,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -208.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:09:11,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.72 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. [2019-11-19 23:09:11,914 INFO L168 Benchmark]: Boogie Preprocessor took 27.63 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:09:11,915 INFO L168 Benchmark]: RCFGBuilder took 440.58 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:09:11,915 INFO L168 Benchmark]: TraceAbstraction took 524537.77 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-11-19 23:09:11,916 INFO L168 Benchmark]: Witness Printer took 79.92 ms. Allocated memory is still 4.9 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:09:11,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 575.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -208.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.72 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 27.63 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.58 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 524537.77 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 79.92 ms. Allocated memory is still 4.9 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 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 17 procedures, 112 locations, 1 error locations. Result: SAFE, OverallTime: 524.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1089 SDtfs, 2124 SDslu, 3203 SDs, 0 SdLazy, 418 SolverSat, 286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422272occurred 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: 36.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 7290 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 36574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...