./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/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 fb8104bcaa22269f5bd255be46e114449e1a0279 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:52:49,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:52:49,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:52:49,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:52:49,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:52:49,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:52:49,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:52:49,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:52:49,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:52:49,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:52:49,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:52:49,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:52:49,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:52:49,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:52:49,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:52:49,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:52:49,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:52:49,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:52:49,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:52:49,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:52:49,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:52:49,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:52:49,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:52:49,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:52:49,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:52:49,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:52:49,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:52:49,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:52:49,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:52:49,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:52:49,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:52:49,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:52:49,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:52:49,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:52:49,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:52:49,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:52:49,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:52:49,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:52:49,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:52:49,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:52:49,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:52:49,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:52:49,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:52:49,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:52:49,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:52:49,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:52:49,169 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:52:49,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:52:49,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:52:49,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:52:49,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:52:49,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:52:49,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:52:49,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:52:49,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:52:49,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:52:49,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:52:49,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:52:49,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:52:49,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:52:49,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:52:49,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:52:49,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:52:49,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:52:49,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:52:49,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:52:49,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:52:49,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:52:49,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:52:49,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:52:49,174 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_fb46b584-d045-4741-9f68-20f72b57e2fd/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 -> fb8104bcaa22269f5bd255be46e114449e1a0279 [2019-11-15 23:52:49,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:52:49,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:52:49,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:52:49,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:52:49,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:52:49,224 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i [2019-11-15 23:52:49,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/data/684805caa/4b3acf086c7a4822af5e0f084ac9d83b/FLAG6d2ac7ade [2019-11-15 23:52:49,765 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:52:49,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/sv-benchmarks/c/pthread-wmm/safe009_tso.opt.i [2019-11-15 23:52:49,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/data/684805caa/4b3acf086c7a4822af5e0f084ac9d83b/FLAG6d2ac7ade [2019-11-15 23:52:49,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/data/684805caa/4b3acf086c7a4822af5e0f084ac9d83b [2019-11-15 23:52:50,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:52:50,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:52:50,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:52:50,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:52:50,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:52:50,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4fb585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50, skipping insertion in model container [2019-11-15 23:52:50,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,021 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:52:50,060 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:52:50,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:52:50,607 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:52:50,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:52:50,730 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:52:50,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50 WrapperNode [2019-11-15 23:52:50,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:52:50,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:52:50,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:52:50,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:52:50,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:52:50,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:52:50,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:52:50,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:52:50,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... [2019-11-15 23:52:50,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:52:50,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:52:50,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:52:50,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:52:50,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:52:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:52:50,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:52:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:52:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:52:50,879 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:52:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:52:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:52:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:52:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:52:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:52:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:52:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:52:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:52:50,883 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:52:51,187 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:52:51,187 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:52:51,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:52:51 BoogieIcfgContainer [2019-11-15 23:52:51,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:52:51,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:52:51,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:52:51,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:52:51,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:52:50" (1/3) ... [2019-11-15 23:52:51,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d660b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:52:51, skipping insertion in model container [2019-11-15 23:52:51,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:50" (2/3) ... [2019-11-15 23:52:51,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d660b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:52:51, skipping insertion in model container [2019-11-15 23:52:51,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:52:51" (3/3) ... [2019-11-15 23:52:51,194 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_tso.opt.i [2019-11-15 23:52:51,230 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,230 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,230 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,230 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,231 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,231 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,231 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,231 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,232 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,232 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,232 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,232 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,233 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,233 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,233 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,233 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,233 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,233 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:52:51,250 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:52:51,251 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:52:51,258 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:52:51,268 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:52:51,285 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:52:51,285 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:52:51,285 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:52:51,285 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:52:51,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:52:51,286 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:52:51,286 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:52:51,286 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:52:51,293 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-15 23:52:51,373 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-15 23:52:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-15 23:52:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 23:52:51,390 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:51,390 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:51,392 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:51,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:51,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1706607507, now seen corresponding path program 1 times [2019-11-15 23:52:51,405 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:51,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069269077] [2019-11-15 23:52:51,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:51,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:51,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:51,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069269077] [2019-11-15 23:52:51,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:51,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:52:51,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496989480] [2019-11-15 23:52:51,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:52:51,743 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:51,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:52:51,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:52:51,761 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-15 23:52:51,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:51,869 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-15 23:52:51,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:52:51,875 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-15 23:52:51,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:51,910 INFO L225 Difference]: With dead ends: 1293 [2019-11-15 23:52:51,910 INFO L226 Difference]: Without dead ends: 599 [2019-11-15 23:52:51,912 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:52:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-15 23:52:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-15 23:52:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-15 23:52:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-15 23:52:52,018 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-15 23:52:52,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:52,019 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-15 23:52:52,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:52:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-15 23:52:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:52:52,030 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:52,031 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:52,031 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash -220814039, now seen corresponding path program 1 times [2019-11-15 23:52:52,032 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:52,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034622734] [2019-11-15 23:52:52,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:52,198 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034622734] [2019-11-15 23:52:52,198 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:52,198 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:52:52,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342952424] [2019-11-15 23:52:52,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:52:52,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:52,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:52:52,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:52:52,201 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-15 23:52:52,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:52,288 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-15 23:52:52,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:52:52,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 23:52:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:52,296 INFO L225 Difference]: With dead ends: 599 [2019-11-15 23:52:52,299 INFO L226 Difference]: Without dead ends: 536 [2019-11-15 23:52:52,301 INFO L600 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 [2019-11-15 23:52:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-15 23:52:52,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-15 23:52:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-15 23:52:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-15 23:52:52,343 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-15 23:52:52,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:52,344 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-15 23:52:52,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:52:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-15 23:52:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:52:52,357 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:52,357 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:52,357 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:52,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:52,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1708267239, now seen corresponding path program 1 times [2019-11-15 23:52:52,358 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:52,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846799689] [2019-11-15 23:52:52,359 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,359 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:52,502 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846799689] [2019-11-15 23:52:52,502 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:52,502 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:52:52,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689219114] [2019-11-15 23:52:52,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:52:52,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:52,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:52:52,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:52:52,504 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-15 23:52:52,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:52,630 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-15 23:52:52,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:52:52,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 23:52:52,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:52,634 INFO L225 Difference]: With dead ends: 401 [2019-11-15 23:52:52,634 INFO L226 Difference]: Without dead ends: 347 [2019-11-15 23:52:52,635 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:52:52,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-15 23:52:52,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-15 23:52:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-15 23:52:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-15 23:52:52,650 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-15 23:52:52,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:52,650 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-15 23:52:52,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:52:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-15 23:52:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:52:52,652 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:52,653 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:52,653 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:52,653 INFO L82 PathProgramCache]: Analyzing trace with hash 358787526, now seen corresponding path program 1 times [2019-11-15 23:52:52,654 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:52,654 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817928600] [2019-11-15 23:52:52,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:52,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817928600] [2019-11-15 23:52:52,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:52,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:52:52,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273922981] [2019-11-15 23:52:52,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:52:52,829 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:52,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:52:52,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:52:52,829 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-15 23:52:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:52,963 INFO L93 Difference]: Finished difference Result 563 states and 1498 transitions. [2019-11-15 23:52:52,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:52:52,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 23:52:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:52,968 INFO L225 Difference]: With dead ends: 563 [2019-11-15 23:52:52,968 INFO L226 Difference]: Without dead ends: 392 [2019-11-15 23:52:52,968 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:52:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-15 23:52:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 338. [2019-11-15 23:52:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-15 23:52:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 886 transitions. [2019-11-15 23:52:52,984 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 886 transitions. Word has length 32 [2019-11-15 23:52:52,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:52,984 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 886 transitions. [2019-11-15 23:52:52,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:52:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 886 transitions. [2019-11-15 23:52:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:52:52,989 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:52,989 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:52,990 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:52,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:52,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1702072276, now seen corresponding path program 2 times [2019-11-15 23:52:52,990 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:52,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434293916] [2019-11-15 23:52:52,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,991 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:52,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:53,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434293916] [2019-11-15 23:52:53,174 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:53,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:52:53,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11370553] [2019-11-15 23:52:53,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:52:53,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:53,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:52:53,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:52:53,176 INFO L87 Difference]: Start difference. First operand 338 states and 886 transitions. Second operand 7 states. [2019-11-15 23:52:53,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:53,297 INFO L93 Difference]: Finished difference Result 509 states and 1366 transitions. [2019-11-15 23:52:53,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:52:53,299 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:52:53,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:53,302 INFO L225 Difference]: With dead ends: 509 [2019-11-15 23:52:53,302 INFO L226 Difference]: Without dead ends: 335 [2019-11-15 23:52:53,302 INFO L600 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 [2019-11-15 23:52:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-11-15 23:52:53,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-11-15 23:52:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-11-15 23:52:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 880 transitions. [2019-11-15 23:52:53,317 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 880 transitions. Word has length 32 [2019-11-15 23:52:53,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:53,317 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 880 transitions. [2019-11-15 23:52:53,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:52:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 880 transitions. [2019-11-15 23:52:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:52:53,323 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:53,323 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:53,323 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:53,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:53,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1343936172, now seen corresponding path program 3 times [2019-11-15 23:52:53,324 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:53,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661498086] [2019-11-15 23:52:53,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:53,324 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:53,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:53,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661498086] [2019-11-15 23:52:53,505 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:53,505 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:52:53,505 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196492376] [2019-11-15 23:52:53,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:52:53,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:53,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:52:53,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:52:53,506 INFO L87 Difference]: Start difference. First operand 335 states and 880 transitions. Second operand 7 states. [2019-11-15 23:52:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:53,641 INFO L93 Difference]: Finished difference Result 542 states and 1444 transitions. [2019-11-15 23:52:53,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:52:53,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:52:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:53,644 INFO L225 Difference]: With dead ends: 542 [2019-11-15 23:52:53,644 INFO L226 Difference]: Without dead ends: 308 [2019-11-15 23:52:53,645 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:52:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-11-15 23:52:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2019-11-15 23:52:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-15 23:52:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 814 transitions. [2019-11-15 23:52:53,670 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 814 transitions. Word has length 32 [2019-11-15 23:52:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:53,671 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 814 transitions. [2019-11-15 23:52:53,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:52:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 814 transitions. [2019-11-15 23:52:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:52:53,672 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:52:53,672 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:52:53,672 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:52:53,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:52:53,673 INFO L82 PathProgramCache]: Analyzing trace with hash 2055039442, now seen corresponding path program 4 times [2019-11-15 23:52:53,673 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:52:53,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774474689] [2019-11-15 23:52:53,673 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:53,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:52:53,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:52:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:52:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:52:53,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774474689] [2019-11-15 23:52:53,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:52:53,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:52:53,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753238862] [2019-11-15 23:52:53,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:52:53,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:52:53,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:52:53,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:52:53,794 INFO L87 Difference]: Start difference. First operand 308 states and 814 transitions. Second operand 7 states. [2019-11-15 23:52:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:52:53,907 INFO L93 Difference]: Finished difference Result 254 states and 652 transitions. [2019-11-15 23:52:53,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:52:53,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:52:53,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:52:53,908 INFO L225 Difference]: With dead ends: 254 [2019-11-15 23:52:53,908 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:52:53,908 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:52:53,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:52:53,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:52:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:52:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:52:53,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-15 23:52:53,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:52:53,910 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:52:53,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:52:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:52:53,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:52:53,913 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:52:53,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:52:53 BasicIcfg [2019-11-15 23:52:53,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:52:53,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:52:53,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:52:53,916 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:52:53,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:52:51" (3/4) ... [2019-11-15 23:52:53,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:52:53,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:52:53,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:52:53,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:52:53,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:52:53,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:52:53,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fb46b584-d045-4741-9f68-20f72b57e2fd/bin/uautomizer/witness.graphml [2019-11-15 23:52:53,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:52:53,981 INFO L168 Benchmark]: Toolchain (without parser) took 3977.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:52:53,981 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:52:53,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:52:53,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:52:53,982 INFO L168 Benchmark]: Boogie Preprocessor took 25.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:52:53,983 INFO L168 Benchmark]: RCFGBuilder took 384.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:52:53,983 INFO L168 Benchmark]: TraceAbstraction took 2726.30 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: -14.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:52:53,984 INFO L168 Benchmark]: Witness Printer took 63.20 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:52:53,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 726.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.01 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 384.31 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 2726.30 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: -14.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 63.20 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 420 SDslu, 874 SDs, 0 SdLazy, 136 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 18709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...