./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/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 4d9b4e00b73fabdf19b43e98c5244793e7e12202 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:20,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:20,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:21,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:21,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:21,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:21,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:21,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:21,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:21,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:21,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:21,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:21,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:21,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:21,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:21,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:21,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:21,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:21,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:21,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:21,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:21,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:21,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:21,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:21,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:21,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:21,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:21,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:21,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:21,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:21,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:21,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:21,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:21,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:21,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:21,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:21,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:21,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:21,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:21,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:21,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:21,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:49:21,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:21,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:21,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:21,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:21,073 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:21,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:21,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:21,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:21,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:21,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:21,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:49:21,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:49:21,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:49:21,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:21,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:21,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:21,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:49:21,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:21,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:21,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:49:21,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:49:21,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:21,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:21,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:49:21,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:49:21,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:21,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:49:21,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:49:21,078 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_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/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 -> 4d9b4e00b73fabdf19b43e98c5244793e7e12202 [2019-11-25 08:49:21,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:21,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:21,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:21,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:21,221 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:21,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-25 08:49:21,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/data/6ca9172de/8882374f628b48e9a078b4a3ef174188/FLAG7951aea6c [2019-11-25 08:49:21,765 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:21,766 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/sv-benchmarks/c/pthread-wmm/safe030_tso.opt.i [2019-11-25 08:49:21,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/data/6ca9172de/8882374f628b48e9a078b4a3ef174188/FLAG7951aea6c [2019-11-25 08:49:21,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/data/6ca9172de/8882374f628b48e9a078b4a3ef174188 [2019-11-25 08:49:21,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:21,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:21,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:21,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:21,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:21,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:21" (1/1) ... [2019-11-25 08:49:21,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af2120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:21, skipping insertion in model container [2019-11-25 08:49:21,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:21" (1/1) ... [2019-11-25 08:49:21,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:21,866 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:22,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:22,229 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:22,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:22,344 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:22,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22 WrapperNode [2019-11-25 08:49:22,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:22,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:22,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:22,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:22,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:22,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:22,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:22,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:22,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... [2019-11-25 08:49:22,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:22,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:22,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:22,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:22,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:49:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:49:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:49:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:49:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:49:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:49:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:49:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:49:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:49:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:22,485 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:49:22,864 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:22,864 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:49:22,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:22 BoogieIcfgContainer [2019-11-25 08:49:22,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:22,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:49:22,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:49:22,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:49:22,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:49:21" (1/3) ... [2019-11-25 08:49:22,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cd499b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:22, skipping insertion in model container [2019-11-25 08:49:22,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:22" (2/3) ... [2019-11-25 08:49:22,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24cd499b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:22, skipping insertion in model container [2019-11-25 08:49:22,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:22" (3/3) ... [2019-11-25 08:49:22,872 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2019-11-25 08:49:22,912 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,912 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,912 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,913 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,913 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,913 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,913 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,914 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,914 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,914 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,914 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,914 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,915 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,915 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,915 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,915 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,915 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,915 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,916 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,916 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,916 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,916 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,916 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,917 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,917 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,917 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,917 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,917 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,918 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,918 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,918 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,918 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,918 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,919 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,919 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,919 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,919 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,919 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,920 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,920 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,920 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,920 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,920 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,921 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,921 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,921 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,921 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,921 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,922 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,922 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,922 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,922 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,922 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,922 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:22,953 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:49:22,953 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:49:22,960 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:49:22,970 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:49:22,987 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:49:22,988 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:49:22,988 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:49:22,988 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:22,988 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:22,988 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:49:22,989 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:22,989 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:49:22,998 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-25 08:49:23,129 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-25 08:49:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-25 08:49:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:49:23,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:23,146 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:23,147 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1271650482, now seen corresponding path program 1 times [2019-11-25 08:49:23,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336797420] [2019-11-25 08:49:23,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:23,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336797420] [2019-11-25 08:49:23,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:23,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:49:23,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367667442] [2019-11-25 08:49:23,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:49:23,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:23,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:49:23,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:49:23,451 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-25 08:49:23,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:23,571 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-25 08:49:23,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:49:23,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-25 08:49:23,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:23,593 INFO L225 Difference]: With dead ends: 1293 [2019-11-25 08:49:23,593 INFO L226 Difference]: Without dead ends: 599 [2019-11-25 08:49:23,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:23,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-25 08:49:23,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-25 08:49:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-25 08:49:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-25 08:49:23,687 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-25 08:49:23,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:23,687 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-25 08:49:23,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:49:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-25 08:49:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:49:23,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:23,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:23,692 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:23,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,693 INFO L82 PathProgramCache]: Analyzing trace with hash -560267086, now seen corresponding path program 1 times [2019-11-25 08:49:23,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285489788] [2019-11-25 08:49:23,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:23,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285489788] [2019-11-25 08:49:23,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:23,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:49:23,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773841768] [2019-11-25 08:49:23,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:49:23,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:23,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:49:23,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:23,824 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-25 08:49:23,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:23,891 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-25 08:49:23,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:23,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-25 08:49:23,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:23,897 INFO L225 Difference]: With dead ends: 599 [2019-11-25 08:49:23,897 INFO L226 Difference]: Without dead ends: 536 [2019-11-25 08:49:23,898 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-25 08:49:23,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-25 08:49:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-25 08:49:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-25 08:49:23,939 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-25 08:49:23,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:23,939 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-25 08:49:23,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:49:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-25 08:49:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:49:23,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:23,949 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:23,949 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:23,950 INFO L82 PathProgramCache]: Analyzing trace with hash 356515304, now seen corresponding path program 1 times [2019-11-25 08:49:23,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:23,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615796885] [2019-11-25 08:49:23,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:24,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615796885] [2019-11-25 08:49:24,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:24,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:24,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080092704] [2019-11-25 08:49:24,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:24,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:24,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:24,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:24,081 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-25 08:49:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:24,168 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-25 08:49:24,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:49:24,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-25 08:49:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:24,172 INFO L225 Difference]: With dead ends: 401 [2019-11-25 08:49:24,172 INFO L226 Difference]: Without dead ends: 347 [2019-11-25 08:49:24,173 INFO L630 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 [2019-11-25 08:49:24,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-25 08:49:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-25 08:49:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-25 08:49:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-25 08:49:24,193 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-25 08:49:24,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:24,194 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-25 08:49:24,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-25 08:49:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:49:24,196 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:24,196 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:24,196 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:24,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:24,197 INFO L82 PathProgramCache]: Analyzing trace with hash 529359310, now seen corresponding path program 1 times [2019-11-25 08:49:24,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:24,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596560955] [2019-11-25 08:49:24,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:24,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596560955] [2019-11-25 08:49:24,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:24,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:24,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323830375] [2019-11-25 08:49:24,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:24,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:24,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:24,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:24,389 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-25 08:49:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:24,474 INFO L93 Difference]: Finished difference Result 518 states and 1393 transitions. [2019-11-25 08:49:24,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:24,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:49:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:24,477 INFO L225 Difference]: With dead ends: 518 [2019-11-25 08:49:24,478 INFO L226 Difference]: Without dead ends: 275 [2019-11-25 08:49:24,478 INFO L630 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 [2019-11-25 08:49:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2019-11-25 08:49:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2019-11-25 08:49:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-25 08:49:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 724 transitions. [2019-11-25 08:49:24,489 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 724 transitions. Word has length 32 [2019-11-25 08:49:24,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:24,490 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 724 transitions. [2019-11-25 08:49:24,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 724 transitions. [2019-11-25 08:49:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:49:24,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:24,492 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:24,492 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:24,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:24,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1167370530, now seen corresponding path program 2 times [2019-11-25 08:49:24,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:24,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163398215] [2019-11-25 08:49:24,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:24,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163398215] [2019-11-25 08:49:24,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:24,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:24,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67488845] [2019-11-25 08:49:24,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:24,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:24,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:24,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:24,610 INFO L87 Difference]: Start difference. First operand 275 states and 724 transitions. Second operand 6 states. [2019-11-25 08:49:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:24,717 INFO L93 Difference]: Finished difference Result 437 states and 1183 transitions. [2019-11-25 08:49:24,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:24,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:49:24,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:24,727 INFO L225 Difference]: With dead ends: 437 [2019-11-25 08:49:24,727 INFO L226 Difference]: Without dead ends: 251 [2019-11-25 08:49:24,727 INFO L630 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 [2019-11-25 08:49:24,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-25 08:49:24,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2019-11-25 08:49:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-25 08:49:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 670 transitions. [2019-11-25 08:49:24,737 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 670 transitions. Word has length 32 [2019-11-25 08:49:24,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:24,738 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 670 transitions. [2019-11-25 08:49:24,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 670 transitions. [2019-11-25 08:49:24,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:49:24,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:24,740 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:24,740 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:24,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:24,740 INFO L82 PathProgramCache]: Analyzing trace with hash -826853732, now seen corresponding path program 3 times [2019-11-25 08:49:24,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:24,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609953984] [2019-11-25 08:49:24,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:24,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609953984] [2019-11-25 08:49:24,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:24,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:24,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630664611] [2019-11-25 08:49:24,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:24,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:24,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:24,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:24,869 INFO L87 Difference]: Start difference. First operand 251 states and 670 transitions. Second operand 6 states. [2019-11-25 08:49:24,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:24,941 INFO L93 Difference]: Finished difference Result 197 states and 508 transitions. [2019-11-25 08:49:24,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:24,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:49:24,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:24,941 INFO L225 Difference]: With dead ends: 197 [2019-11-25 08:49:24,942 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:49:24,942 INFO L630 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 [2019-11-25 08:49:24,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:49:24,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:49:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:49:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:49:24,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-25 08:49:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:24,943 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:24,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:24,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:49:24,946 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:49:24,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:49:24 BasicIcfg [2019-11-25 08:49:24,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:49:24,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:24,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:24,948 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:24,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:22" (3/4) ... [2019-11-25 08:49:24,952 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:49:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:49:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:49:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:49:24,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:49:24,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:49:24,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:49:25,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eb4da66a-ac5a-4053-82d0-e4dcecaf7fb2/bin/uautomizer/witness.graphml [2019-11-25 08:49:25,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:25,032 INFO L168 Benchmark]: Toolchain (without parser) took 3236.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.1 MB in the beginning and 856.5 MB in the end (delta: 89.5 MB). Peak memory consumption was 222.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:25,033 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:25,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:25,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:25,034 INFO L168 Benchmark]: Boogie Preprocessor took 24.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:25,035 INFO L168 Benchmark]: RCFGBuilder took 452.88 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:25,041 INFO L168 Benchmark]: TraceAbstraction took 2081.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.5 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:25,041 INFO L168 Benchmark]: Witness Printer took 82.53 ms. Allocated memory is still 1.2 GB. Free memory is still 856.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:25,043 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 548.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.95 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 24.78 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 452.88 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2081.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.5 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. * Witness Printer took 82.53 ms. Allocated memory is still 1.2 GB. Free memory is still 856.5 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 13 procedures, 88 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 284 SDslu, 687 SDs, 0 SdLazy, 88 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 13110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...