./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe028_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/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 d59bd5d9792e4b6ae036e2d57d3b531c7de51151 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:28:27,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:28:27,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:28:27,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:28:27,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:28:27,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:28:27,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:28:27,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:28:27,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:28:27,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:28:27,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:28:27,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:28:27,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:28:27,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:28:27,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:28:27,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:28:27,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:28:27,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:28:27,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:28:27,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:28:27,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:28:27,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:28:27,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:28:27,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:28:27,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:28:27,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:28:27,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:28:27,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:28:27,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:28:27,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:28:27,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:28:27,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:28:27,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:28:27,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:28:27,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:28:27,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:28:27,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:28:27,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:28:27,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:28:27,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:28:27,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:28:27,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:28:27,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:28:27,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:28:27,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:28:27,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:28:27,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:28:27,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:28:27,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:28:27,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:28:27,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:28:27,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:28:27,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:28:27,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:28:27,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:28:27,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:28:27,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:28:27,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:28:27,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:28:27,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:28:27,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:28:27,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:28:27,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:28:27,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:28:27,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:28:27,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:28:27,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:28:27,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:28:27,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:28:27,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:28:27,922 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_b64354de-15ae-4070-ac0f-bc555a29c7fc/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 -> d59bd5d9792e4b6ae036e2d57d3b531c7de51151 [2019-11-16 00:28:27,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:28:27,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:28:27,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:28:27,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:28:27,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:28:27,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe028_pso.oepc.i [2019-11-16 00:28:28,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/data/363682eda/de1df0a37c39446eb2b9bd8f21656249/FLAG6e3b9d64e [2019-11-16 00:28:28,577 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:28:28,578 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/sv-benchmarks/c/pthread-wmm/safe028_pso.oepc.i [2019-11-16 00:28:28,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/data/363682eda/de1df0a37c39446eb2b9bd8f21656249/FLAG6e3b9d64e [2019-11-16 00:28:29,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/data/363682eda/de1df0a37c39446eb2b9bd8f21656249 [2019-11-16 00:28:29,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:28:29,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:28:29,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:28:29,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:28:29,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:28:29,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544c513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29, skipping insertion in model container [2019-11-16 00:28:29,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,073 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:28:29,125 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:28:29,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:28:29,499 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:28:29,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:28:29,613 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:28:29,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29 WrapperNode [2019-11-16 00:28:29,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:28:29,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:28:29,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:28:29,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:28:29,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:28:29,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:28:29,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:28:29,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:28:29,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... [2019-11-16 00:28:29,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:28:29,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:28:29,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:28:29,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:28:29,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/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 [2019-11-16 00:28:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:28:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-16 00:28:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:28:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:28:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-16 00:28:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-16 00:28:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-16 00:28:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-16 00:28:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-16 00:28:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-16 00:28:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-16 00:28:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:28:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:28:29,756 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-16 00:28:30,098 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:28:30,098 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:28:30,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:30 BoogieIcfgContainer [2019-11-16 00:28:30,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:28:30,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:28:30,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:28:30,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:28:30,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:28:29" (1/3) ... [2019-11-16 00:28:30,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:30, skipping insertion in model container [2019-11-16 00:28:30,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:29" (2/3) ... [2019-11-16 00:28:30,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:28:30, skipping insertion in model container [2019-11-16 00:28:30,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:30" (3/3) ... [2019-11-16 00:28:30,105 INFO L109 eAbstractionObserver]: Analyzing ICFG safe028_pso.oepc.i [2019-11-16 00:28:30,132 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,132 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,133 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,133 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,133 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,133 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,134 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,134 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,134 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,134 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,135 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,135 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,135 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,135 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,136 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,136 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,136 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,136 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-16 00:28:30,165 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-16 00:28:30,165 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:28:30,173 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:28:30,184 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:28:30,201 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:28:30,201 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:28:30,201 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:28:30,202 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:28:30,202 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:28:30,202 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:28:30,202 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:28:30,202 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:28:30,212 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 50 transitions [2019-11-16 00:28:30,286 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-16 00:28:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-16 00:28:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-16 00:28:30,320 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:30,321 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] [2019-11-16 00:28:30,326 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:30,332 INFO L82 PathProgramCache]: Analyzing trace with hash -570497839, now seen corresponding path program 1 times [2019-11-16 00:28:30,341 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:30,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454547228] [2019-11-16 00:28:30,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:30,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:30,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:30,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454547228] [2019-11-16 00:28:30,670 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:30,670 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:28:30,670 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294410274] [2019-11-16 00:28:30,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:28:30,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:30,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:28:30,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:28:30,688 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-16 00:28:30,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:30,816 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-16 00:28:30,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:28:30,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-16 00:28:30,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:30,856 INFO L225 Difference]: With dead ends: 1294 [2019-11-16 00:28:30,857 INFO L226 Difference]: Without dead ends: 600 [2019-11-16 00:28:30,858 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 [2019-11-16 00:28:30,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-16 00:28:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-16 00:28:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-16 00:28:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-16 00:28:30,964 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-16 00:28:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:30,965 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-16 00:28:30,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:28:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-16 00:28:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:28:30,968 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:30,968 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] [2019-11-16 00:28:30,968 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:30,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:30,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1434129141, now seen corresponding path program 1 times [2019-11-16 00:28:30,972 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:30,973 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901602030] [2019-11-16 00:28:30,973 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:30,973 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:30,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:31,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901602030] [2019-11-16 00:28:31,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:31,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:28:31,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073233577] [2019-11-16 00:28:31,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:28:31,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:31,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:28:31,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:28:31,175 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-16 00:28:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:31,265 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-16 00:28:31,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:28:31,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-16 00:28:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:31,279 INFO L225 Difference]: With dead ends: 600 [2019-11-16 00:28:31,280 INFO L226 Difference]: Without dead ends: 537 [2019-11-16 00:28:31,281 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 [2019-11-16 00:28:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-16 00:28:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-16 00:28:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-16 00:28:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-16 00:28:31,329 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-16 00:28:31,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:31,329 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-16 00:28:31,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:28:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-16 00:28:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:28:31,340 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:31,340 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] [2019-11-16 00:28:31,340 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:31,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:31,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1426499137, now seen corresponding path program 1 times [2019-11-16 00:28:31,341 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:31,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858064028] [2019-11-16 00:28:31,341 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:31,342 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:31,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:31,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858064028] [2019-11-16 00:28:31,471 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:31,471 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:28:31,471 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571006615] [2019-11-16 00:28:31,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:28:31,472 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:31,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:28:31,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:28:31,472 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-16 00:28:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:31,577 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-16 00:28:31,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:28:31,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-16 00:28:31,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:31,582 INFO L225 Difference]: With dead ends: 402 [2019-11-16 00:28:31,582 INFO L226 Difference]: Without dead ends: 348 [2019-11-16 00:28:31,582 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 [2019-11-16 00:28:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-16 00:28:31,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-16 00:28:31,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-16 00:28:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-16 00:28:31,598 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-16 00:28:31,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:31,598 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-16 00:28:31,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:28:31,599 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-16 00:28:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:28:31,600 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:31,600 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:31,601 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:31,601 INFO L82 PathProgramCache]: Analyzing trace with hash -845126248, now seen corresponding path program 1 times [2019-11-16 00:28:31,602 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:31,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177967189] [2019-11-16 00:28:31,602 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:31,602 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:31,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:31,772 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177967189] [2019-11-16 00:28:31,772 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:31,773 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:28:31,773 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251892481] [2019-11-16 00:28:31,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:28:31,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:31,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:28:31,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:28:31,775 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-16 00:28:31,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:31,926 INFO L93 Difference]: Finished difference Result 528 states and 1415 transitions. [2019-11-16 00:28:31,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:28:31,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:28:31,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:31,930 INFO L225 Difference]: With dead ends: 528 [2019-11-16 00:28:31,930 INFO L226 Difference]: Without dead ends: 357 [2019-11-16 00:28:31,930 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 [2019-11-16 00:28:31,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-11-16 00:28:31,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 348. [2019-11-16 00:28:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-16 00:28:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 911 transitions. [2019-11-16 00:28:31,944 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 911 transitions. Word has length 33 [2019-11-16 00:28:31,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:31,945 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 911 transitions. [2019-11-16 00:28:31,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:28:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 911 transitions. [2019-11-16 00:28:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:28:31,947 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:31,947 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:31,947 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:31,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:31,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1215733554, now seen corresponding path program 2 times [2019-11-16 00:28:31,948 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:31,948 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233436681] [2019-11-16 00:28:31,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:31,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:31,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:32,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233436681] [2019-11-16 00:28:32,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:32,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:28:32,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730249581] [2019-11-16 00:28:32,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:28:32,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:32,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:28:32,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:28:32,088 INFO L87 Difference]: Start difference. First operand 348 states and 911 transitions. Second operand 7 states. [2019-11-16 00:28:32,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:32,220 INFO L93 Difference]: Finished difference Result 510 states and 1370 transitions. [2019-11-16 00:28:32,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:28:32,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:28:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:32,224 INFO L225 Difference]: With dead ends: 510 [2019-11-16 00:28:32,224 INFO L226 Difference]: Without dead ends: 276 [2019-11-16 00:28:32,224 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:28:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-16 00:28:32,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-16 00:28:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-16 00:28:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 725 transitions. [2019-11-16 00:28:32,236 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 725 transitions. Word has length 33 [2019-11-16 00:28:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:32,237 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 725 transitions. [2019-11-16 00:28:32,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:28:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 725 transitions. [2019-11-16 00:28:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:28:32,238 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:32,239 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:32,239 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:32,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:32,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1492117376, now seen corresponding path program 3 times [2019-11-16 00:28:32,240 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:32,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113998798] [2019-11-16 00:28:32,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:32,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:32,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:32,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113998798] [2019-11-16 00:28:32,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:32,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:28:32,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963095188] [2019-11-16 00:28:32,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:28:32,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:32,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:28:32,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:28:32,365 INFO L87 Difference]: Start difference. First operand 276 states and 725 transitions. Second operand 7 states. [2019-11-16 00:28:32,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:32,491 INFO L93 Difference]: Finished difference Result 447 states and 1205 transitions. [2019-11-16 00:28:32,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:28:32,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:28:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:32,494 INFO L225 Difference]: With dead ends: 447 [2019-11-16 00:28:32,494 INFO L226 Difference]: Without dead ends: 264 [2019-11-16 00:28:32,495 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 [2019-11-16 00:28:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-16 00:28:32,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2019-11-16 00:28:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-11-16 00:28:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 695 transitions. [2019-11-16 00:28:32,506 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 695 transitions. Word has length 33 [2019-11-16 00:28:32,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:32,507 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 695 transitions. [2019-11-16 00:28:32,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:28:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 695 transitions. [2019-11-16 00:28:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:28:32,508 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:28:32,508 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:28:32,509 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:28:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:28:32,509 INFO L82 PathProgramCache]: Analyzing trace with hash 204134540, now seen corresponding path program 4 times [2019-11-16 00:28:32,509 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:28:32,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186587810] [2019-11-16 00:28:32,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:32,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:28:32,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:28:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:28:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:28:32,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186587810] [2019-11-16 00:28:32,660 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:28:32,660 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:28:32,660 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145448989] [2019-11-16 00:28:32,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:28:32,661 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:28:32,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:28:32,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:28:32,661 INFO L87 Difference]: Start difference. First operand 264 states and 695 transitions. Second operand 7 states. [2019-11-16 00:28:32,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:28:32,772 INFO L93 Difference]: Finished difference Result 210 states and 533 transitions. [2019-11-16 00:28:32,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:28:32,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-16 00:28:32,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:28:32,773 INFO L225 Difference]: With dead ends: 210 [2019-11-16 00:28:32,773 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:28:32,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:28:32,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:28:32,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:28:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:28:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:28:32,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-16 00:28:32,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:28:32,774 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:28:32,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:28:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:28:32,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:28:32,779 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-16 00:28:32,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:28:32 BasicIcfg [2019-11-16 00:28:32,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:28:32,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:28:32,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:28:32,782 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:28:32,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:30" (3/4) ... [2019-11-16 00:28:32,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:28:32,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-16 00:28:32,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-16 00:28:32,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-16 00:28:32,800 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-16 00:28:32,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:28:32,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b64354de-15ae-4070-ac0f-bc555a29c7fc/bin/uautomizer/witness.graphml [2019-11-16 00:28:32,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:28:32,884 INFO L168 Benchmark]: Toolchain (without parser) took 3825.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 939.3 MB in the beginning and 847.8 MB in the end (delta: 91.6 MB). Peak memory consumption was 254.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:32,889 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-11-16 00:28:32,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:32,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.76 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. [2019-11-16 00:28:32,890 INFO L168 Benchmark]: Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:32,891 INFO L168 Benchmark]: RCFGBuilder took 406.83 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:32,891 INFO L168 Benchmark]: TraceAbstraction took 2681.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.8 MB in the end (delta: 244.9 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:28:32,891 INFO L168 Benchmark]: Witness Printer took 99.90 ms. Allocated memory is still 1.2 GB. Free memory is still 847.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:28:32,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 555.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.76 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 28.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 406.83 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2681.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.8 MB in the end (delta: 244.9 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. * Witness Printer took 99.90 ms. Allocated memory is still 1.2 GB. Free memory is still 847.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 406 SDslu, 1014 SDs, 0 SdLazy, 153 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20110 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...