./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe017_tso.opt.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_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe017_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/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 a1f6da3127691bb0e5394a1726d8987d9638d94e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:57:16,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:57:16,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:57:16,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:57:16,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:57:16,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:57:16,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:57:16,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:57:16,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:57:16,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:57:16,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:57:16,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:57:16,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:57:16,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:57:16,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:57:16,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:57:16,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:57:16,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:57:16,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:57:16,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:57:16,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:57:16,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:57:16,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:57:16,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:57:16,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:57:16,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:57:16,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:57:16,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:57:16,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:57:16,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:57:16,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:57:16,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:57:16,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:57:16,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:57:16,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:57:16,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:57:16,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:57:16,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:57:16,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:57:16,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:57:16,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:57:16,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:57:16,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:57:16,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:57:16,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:57:16,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:57:16,434 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:57:16,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:57:16,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:57:16,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:57:16,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:57:16,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:57:16,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:57:16,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:57:16,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:57:16,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:57:16,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:57:16,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:57:16,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:57:16,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:57:16,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:57:16,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:57:16,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:57:16,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:57:16,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:57:16,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:57:16,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:57:16,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:57:16,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:57:16,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:57:16,440 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_43a6b723-f427-4ad8-9ff8-cac0d91513c0/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 -> a1f6da3127691bb0e5394a1726d8987d9638d94e [2019-11-20 01:57:16,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:57:16,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:57:16,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:57:16,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:57:16,651 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:57:16,652 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe017_tso.opt.i [2019-11-20 01:57:16,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/data/9633e8d24/71b4bc2003dd4dcdb6f4cd42eb2b2588/FLAG786e4dd06 [2019-11-20 01:57:17,154 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:57:17,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/sv-benchmarks/c/pthread-wmm/safe017_tso.opt.i [2019-11-20 01:57:17,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/data/9633e8d24/71b4bc2003dd4dcdb6f4cd42eb2b2588/FLAG786e4dd06 [2019-11-20 01:57:17,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/data/9633e8d24/71b4bc2003dd4dcdb6f4cd42eb2b2588 [2019-11-20 01:57:17,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:57:17,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:57:17,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:57:17,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:57:17,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:57:17,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:17,195 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 20.11 01:57:17, skipping insertion in model container [2019-11-20 01:57:17,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:17,202 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:57:17,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:57:17,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:57:17,791 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:57:17,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:57:17,941 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:57:17,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17 WrapperNode [2019-11-20 01:57:17,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:57:17,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:57:17,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:57:17,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:57:17,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:17,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:57:18,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:57:18,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:57:18,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:57:18,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... [2019-11-20 01:57:18,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:57:18,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:57:18,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:57:18,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:57:18,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/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 [2019-11-20 01:57:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:57:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 01:57:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:57:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:57:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 01:57:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 01:57:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 01:57:18,125 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 01:57:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 01:57:18,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 01:57:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 01:57:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:57:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:57:18,130 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 01:57:18,446 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:57:18,446 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 01:57:18,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:57:18 BoogieIcfgContainer [2019-11-20 01:57:18,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:57:18,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:57:18,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:57:18,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:57:18,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:57:17" (1/3) ... [2019-11-20 01:57:18,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f07b852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:57:18, skipping insertion in model container [2019-11-20 01:57:18,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:57:17" (2/3) ... [2019-11-20 01:57:18,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f07b852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:57:18, skipping insertion in model container [2019-11-20 01:57:18,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:57:18" (3/3) ... [2019-11-20 01:57:18,454 INFO L109 eAbstractionObserver]: Analyzing ICFG safe017_tso.opt.i [2019-11-20 01:57:18,497 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,497 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,498 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,498 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,498 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,498 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,499 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,499 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,500 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,500 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,500 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,500 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,501 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,501 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,501 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,501 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,501 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,501 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,502 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,502 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,502 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,502 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,503 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,503 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,503 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,503 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,503 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,504 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,504 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,504 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,505 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,505 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,507 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,507 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,508 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,508 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 01:57:18,538 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 01:57:18,538 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:57:18,544 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 01:57:18,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 01:57:18,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:57:18,568 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:57:18,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:57:18,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:57:18,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:57:18,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:57:18,569 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:57:18,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:57:18,579 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-20 01:57:22,140 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31742 states. [2019-11-20 01:57:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 31742 states. [2019-11-20 01:57:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 01:57:22,204 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:57:22,205 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] [2019-11-20 01:57:22,206 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:57:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:57:22,212 INFO L82 PathProgramCache]: Analyzing trace with hash -257235676, now seen corresponding path program 1 times [2019-11-20 01:57:22,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:57:22,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087073047] [2019-11-20 01:57:22,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:57:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:57:22,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087073047] [2019-11-20 01:57:22,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:57:22,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 01:57:22,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131518056] [2019-11-20 01:57:22,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 01:57:22,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:57:22,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 01:57:22,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 01:57:22,601 INFO L87 Difference]: Start difference. First operand 31742 states. Second operand 4 states. [2019-11-20 01:57:23,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:57:23,229 INFO L93 Difference]: Finished difference Result 33011 states and 103291 transitions. [2019-11-20 01:57:23,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:57:23,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-20 01:57:23,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:57:23,413 INFO L225 Difference]: With dead ends: 33011 [2019-11-20 01:57:23,413 INFO L226 Difference]: Without dead ends: 14273 [2019-11-20 01:57:23,415 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 [2019-11-20 01:57:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14273 states. [2019-11-20 01:57:24,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14273 to 14273. [2019-11-20 01:57:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14273 states. [2019-11-20 01:57:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14273 states to 14273 states and 44296 transitions. [2019-11-20 01:57:24,183 INFO L78 Accepts]: Start accepts. Automaton has 14273 states and 44296 transitions. Word has length 29 [2019-11-20 01:57:24,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:57:24,185 INFO L462 AbstractCegarLoop]: Abstraction has 14273 states and 44296 transitions. [2019-11-20 01:57:24,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 01:57:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 14273 states and 44296 transitions. [2019-11-20 01:57:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 01:57:24,212 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:57:24,212 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:57:24,213 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:57:24,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:57:24,221 INFO L82 PathProgramCache]: Analyzing trace with hash -890821503, now seen corresponding path program 1 times [2019-11-20 01:57:24,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:57:24,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071741221] [2019-11-20 01:57:24,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:57:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:57:24,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071741221] [2019-11-20 01:57:24,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:57:24,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:57:24,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778531103] [2019-11-20 01:57:24,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:57:24,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:57:24,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:57:24,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:57:24,397 INFO L87 Difference]: Start difference. First operand 14273 states and 44296 transitions. Second operand 5 states. [2019-11-20 01:57:24,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:57:24,832 INFO L93 Difference]: Finished difference Result 14273 states and 42109 transitions. [2019-11-20 01:57:24,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:57:24,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-20 01:57:24,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:57:24,886 INFO L225 Difference]: With dead ends: 14273 [2019-11-20 01:57:24,886 INFO L226 Difference]: Without dead ends: 12572 [2019-11-20 01:57:24,887 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 [2019-11-20 01:57:25,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12572 states. [2019-11-20 01:57:25,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12572 to 12572. [2019-11-20 01:57:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12572 states. [2019-11-20 01:57:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12572 states to 12572 states and 38059 transitions. [2019-11-20 01:57:25,382 INFO L78 Accepts]: Start accepts. Automaton has 12572 states and 38059 transitions. Word has length 30 [2019-11-20 01:57:25,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:57:25,383 INFO L462 AbstractCegarLoop]: Abstraction has 12572 states and 38059 transitions. [2019-11-20 01:57:25,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:57:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 12572 states and 38059 transitions. [2019-11-20 01:57:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 01:57:25,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:57:25,411 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] [2019-11-20 01:57:25,412 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:57:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:57:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash 97896776, now seen corresponding path program 1 times [2019-11-20 01:57:25,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:57:25,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481397880] [2019-11-20 01:57:25,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:57:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:57:25,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481397880] [2019-11-20 01:57:25,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:57:25,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 01:57:25,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651498656] [2019-11-20 01:57:25,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 01:57:25,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:57:25,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 01:57:25,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:57:25,574 INFO L87 Difference]: Start difference. First operand 12572 states and 38059 transitions. Second operand 6 states. [2019-11-20 01:57:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:57:25,788 INFO L93 Difference]: Finished difference Result 8927 states and 24937 transitions. [2019-11-20 01:57:25,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:57:25,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-20 01:57:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:57:25,811 INFO L225 Difference]: With dead ends: 8927 [2019-11-20 01:57:25,812 INFO L226 Difference]: Without dead ends: 7469 [2019-11-20 01:57:25,812 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 [2019-11-20 01:57:26,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7469 states. [2019-11-20 01:57:26,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7469 to 7469. [2019-11-20 01:57:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7469 states. [2019-11-20 01:57:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 21049 transitions. [2019-11-20 01:57:26,235 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 21049 transitions. Word has length 31 [2019-11-20 01:57:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:57:26,235 INFO L462 AbstractCegarLoop]: Abstraction has 7469 states and 21049 transitions. [2019-11-20 01:57:26,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 01:57:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 21049 transitions. [2019-11-20 01:57:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 01:57:26,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:57:26,251 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] [2019-11-20 01:57:26,251 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:57:26,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:57:26,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1989207311, now seen corresponding path program 1 times [2019-11-20 01:57:26,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:57:26,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076935018] [2019-11-20 01:57:26,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:57:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:57:26,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076935018] [2019-11-20 01:57:26,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:57:26,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 01:57:26,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946662840] [2019-11-20 01:57:26,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 01:57:26,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:57:26,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 01:57:26,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 01:57:26,376 INFO L87 Difference]: Start difference. First operand 7469 states and 21049 transitions. Second operand 7 states. [2019-11-20 01:57:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:57:26,690 INFO L93 Difference]: Finished difference Result 17027 states and 47887 transitions. [2019-11-20 01:57:26,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 01:57:26,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-20 01:57:26,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:57:26,710 INFO L225 Difference]: With dead ends: 17027 [2019-11-20 01:57:26,710 INFO L226 Difference]: Without dead ends: 6470 [2019-11-20 01:57:26,711 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-11-20 01:57:26,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6470 states. [2019-11-20 01:57:26,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6470 to 6470. [2019-11-20 01:57:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6470 states. [2019-11-20 01:57:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6470 states to 6470 states and 18106 transitions. [2019-11-20 01:57:26,871 INFO L78 Accepts]: Start accepts. Automaton has 6470 states and 18106 transitions. Word has length 32 [2019-11-20 01:57:26,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:57:26,871 INFO L462 AbstractCegarLoop]: Abstraction has 6470 states and 18106 transitions. [2019-11-20 01:57:26,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 01:57:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 6470 states and 18106 transitions. [2019-11-20 01:57:26,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 01:57:26,883 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:57:26,883 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] [2019-11-20 01:57:26,883 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:57:26,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:57:26,884 INFO L82 PathProgramCache]: Analyzing trace with hash -174489551, now seen corresponding path program 2 times [2019-11-20 01:57:26,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:57:26,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514770359] [2019-11-20 01:57:26,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:57:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:57:27,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514770359] [2019-11-20 01:57:27,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:57:27,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 01:57:27,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683273714] [2019-11-20 01:57:27,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:57:27,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:57:27,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:57:27,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:57:27,074 INFO L87 Difference]: Start difference. First operand 6470 states and 18106 transitions. Second operand 8 states. [2019-11-20 01:57:27,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:57:27,271 INFO L93 Difference]: Finished difference Result 11087 states and 31066 transitions. [2019-11-20 01:57:27,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 01:57:27,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-20 01:57:27,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:57:27,298 INFO L225 Difference]: With dead ends: 11087 [2019-11-20 01:57:27,298 INFO L226 Difference]: Without dead ends: 6245 [2019-11-20 01:57:27,298 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 [2019-11-20 01:57:27,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6245 states. [2019-11-20 01:57:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6245 to 6245. [2019-11-20 01:57:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6245 states. [2019-11-20 01:57:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 6245 states and 17584 transitions. [2019-11-20 01:57:27,473 INFO L78 Accepts]: Start accepts. Automaton has 6245 states and 17584 transitions. Word has length 32 [2019-11-20 01:57:27,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:57:27,474 INFO L462 AbstractCegarLoop]: Abstraction has 6245 states and 17584 transitions. [2019-11-20 01:57:27,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:57:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 17584 transitions. [2019-11-20 01:57:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 01:57:27,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:57:27,482 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] [2019-11-20 01:57:27,483 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:57:27,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:57:27,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1242323379, now seen corresponding path program 3 times [2019-11-20 01:57:27,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:57:27,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395171698] [2019-11-20 01:57:27,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:57:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:57:27,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395171698] [2019-11-20 01:57:27,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:57:27,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 01:57:27,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251739456] [2019-11-20 01:57:27,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:57:27,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:57:27,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:57:27,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:57:27,650 INFO L87 Difference]: Start difference. First operand 6245 states and 17584 transitions. Second operand 8 states. [2019-11-20 01:57:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:57:27,786 INFO L93 Difference]: Finished difference Result 4787 states and 13210 transitions. [2019-11-20 01:57:27,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:57:27,787 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-20 01:57:27,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:57:27,787 INFO L225 Difference]: With dead ends: 4787 [2019-11-20 01:57:27,787 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 01:57:27,788 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 [2019-11-20 01:57:27,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 01:57:27,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 01:57:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 01:57:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:57:27,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-20 01:57:27,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:57:27,789 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:57:27,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:57:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:57:27,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:57:27,792 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 01:57:27,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:57:27 BasicIcfg [2019-11-20 01:57:27,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:57:27,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:57:27,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:57:27,794 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:57:27,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:57:18" (3/4) ... [2019-11-20 01:57:27,797 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:57:27,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 01:57:27,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 01:57:27,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 01:57:27,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 01:57:27,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 01:57:27,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:57:27,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43a6b723-f427-4ad8-9ff8-cac0d91513c0/bin/uautomizer/witness.graphml [2019-11-20 01:57:27,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:57:27,865 INFO L168 Benchmark]: Toolchain (without parser) took 10676.70 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 455.1 MB). Free memory was 944.7 MB in the beginning and 886.6 MB in the end (delta: 58.1 MB). Peak memory consumption was 513.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:57:27,865 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:57:27,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:57:27,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.68 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. [2019-11-20 01:57:27,867 INFO L168 Benchmark]: Boogie Preprocessor took 43.18 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. [2019-11-20 01:57:27,868 INFO L168 Benchmark]: RCFGBuilder took 395.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:57:27,874 INFO L168 Benchmark]: TraceAbstraction took 9344.98 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.2 MB). Free memory was 1.1 GB in the beginning and 890.0 MB in the end (delta: 203.0 MB). Peak memory consumption was 509.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:57:27,874 INFO L168 Benchmark]: Witness Printer took 69.29 ms. Allocated memory is still 1.5 GB. Free memory was 890.0 MB in the beginning and 886.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:57:27,876 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.68 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 43.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 395.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9344.98 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.2 MB). Free memory was 1.1 GB in the beginning and 890.0 MB in the end (delta: 203.0 MB). Peak memory consumption was 509.2 MB. Max. memory is 11.5 GB. * Witness Printer took 69.29 ms. Allocated memory is still 1.5 GB. Free memory was 890.0 MB in the beginning and 886.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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, 88 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 555 SDtfs, 985 SDslu, 1533 SDs, 0 SdLazy, 233 SolverSat, 140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31742occurred 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: 2.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 16210 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...