./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/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 9d4406c344918291b80fcb1a8e1837c6660ae09c ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:59:46,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:59:46,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:59:46,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:59:46,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:59:46,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:59:46,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:59:46,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:59:46,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:59:46,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:59:46,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:59:46,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:59:46,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:59:46,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:59:46,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:59:46,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:59:46,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:59:46,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:59:46,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:59:46,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:59:46,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:59:46,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:59:46,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:59:46,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:59:46,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:59:46,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:59:46,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:59:46,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:59:46,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:59:46,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:59:46,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:59:46,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:59:46,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:59:46,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:59:46,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:59:46,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:59:46,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:59:46,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:59:46,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:59:46,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:59:46,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:59:46,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:59:46,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:59:46,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:59:46,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:59:46,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:59:46,767 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:59:46,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:59:46,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:59:46,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:59:46,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:59:46,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:59:46,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:59:46,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:59:46,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:59:46,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:59:46,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:59:46,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:59:46,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:59:46,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:59:46,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:59:46,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:59:46,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:59:46,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:59:46,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:59:46,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:59:46,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:59:46,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:59:46,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:59:46,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:59:46,771 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_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/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 -> 9d4406c344918291b80fcb1a8e1837c6660ae09c [2019-11-20 06:59:46,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:59:46,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:59:46,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:59:46,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:59:46,953 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:59:46,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2019-11-20 06:59:47,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/data/c1eaa7cff/8e429fd7b9dc401a8cb2122ef5416269/FLAG465f4fe96 [2019-11-20 06:59:47,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:59:47,445 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2019-11-20 06:59:47,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/data/c1eaa7cff/8e429fd7b9dc401a8cb2122ef5416269/FLAG465f4fe96 [2019-11-20 06:59:47,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/data/c1eaa7cff/8e429fd7b9dc401a8cb2122ef5416269 [2019-11-20 06:59:47,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:59:47,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:59:47,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:47,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:59:47,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:59:47,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:47" (1/1) ... [2019-11-20 06:59:47,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b93cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:47, skipping insertion in model container [2019-11-20 06:59:47,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:47" (1/1) ... [2019-11-20 06:59:47,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:59:47,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:59:48,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:48,337 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:59:48,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:48,444 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:59:48,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48 WrapperNode [2019-11-20 06:59:48,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:48,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:48,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:59:48,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:59:48,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:48,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:59:48,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:59:48,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:59:48,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:59:48,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:59:48,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:59:48,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:59:48,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:59:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-20 06:59:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-20 06:59:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:59:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:59:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:59:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:59:48,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:59:48,580 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 06:59:48,739 INFO L1494 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_w_returnLabel [2019-11-20 06:59:48,770 INFO L1494 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_r_returnLabel [2019-11-20 06:59:48,855 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:59:48,855 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 06:59:48,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:48 BoogieIcfgContainer [2019-11-20 06:59:48,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:59:48,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:59:48,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:59:48,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:59:48,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:59:47" (1/3) ... [2019-11-20 06:59:48,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6990f6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:59:48, skipping insertion in model container [2019-11-20 06:59:48,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (2/3) ... [2019-11-20 06:59:48,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6990f6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:59:48, skipping insertion in model container [2019-11-20 06:59:48,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:48" (3/3) ... [2019-11-20 06:59:48,862 INFO L109 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2019-11-20 06:59:48,892 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,892 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,894 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,894 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,894 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,894 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,895 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,895 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,895 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,895 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,895 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,896 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,896 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,896 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 06:59:48,907 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 06:59:48,907 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:59:48,913 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:59:48,923 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:59:48,938 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:59:48,938 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:59:48,938 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:59:48,938 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:59:48,938 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:59:48,938 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:59:48,938 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:59:48,938 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:59:48,948 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 48 transitions [2019-11-20 06:59:48,994 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 354 states. [2019-11-20 06:59:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2019-11-20 06:59:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 06:59:49,004 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:59:49,005 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] [2019-11-20 06:59:49,006 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:59:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:49,011 INFO L82 PathProgramCache]: Analyzing trace with hash 713098450, now seen corresponding path program 1 times [2019-11-20 06:59:49,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:59:49,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919896299] [2019-11-20 06:59:49,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:59:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:49,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919896299] [2019-11-20 06:59:49,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:59:49,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:59:49,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163752839] [2019-11-20 06:59:49,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:59:49,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:59:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:59:49,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:59:49,201 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 3 states. [2019-11-20 06:59:49,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:59:49,284 INFO L93 Difference]: Finished difference Result 474 states and 818 transitions. [2019-11-20 06:59:49,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:59:49,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 06:59:49,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:59:49,304 INFO L225 Difference]: With dead ends: 474 [2019-11-20 06:59:49,304 INFO L226 Difference]: Without dead ends: 90 [2019-11-20 06:59:49,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:59:49,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-20 06:59:49,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-11-20 06:59:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-20 06:59:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 125 transitions. [2019-11-20 06:59:49,349 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 125 transitions. Word has length 20 [2019-11-20 06:59:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:59:49,350 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 125 transitions. [2019-11-20 06:59:49,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:59:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2019-11-20 06:59:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:59:49,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:59:49,352 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] [2019-11-20 06:59:49,352 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:59:49,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:49,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1314612287, now seen corresponding path program 1 times [2019-11-20 06:59:49,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:59:49,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893791101] [2019-11-20 06:59:49,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:59:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:49,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893791101] [2019-11-20 06:59:49,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:59:49,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:59:49,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390963803] [2019-11-20 06:59:49,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:59:49,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:59:49,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:59:49,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:59:49,441 INFO L87 Difference]: Start difference. First operand 90 states and 125 transitions. Second operand 3 states. [2019-11-20 06:59:49,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:59:49,476 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2019-11-20 06:59:49,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:59:49,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-20 06:59:49,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:59:49,478 INFO L225 Difference]: With dead ends: 90 [2019-11-20 06:59:49,478 INFO L226 Difference]: Without dead ends: 75 [2019-11-20 06:59:49,479 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:59:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-20 06:59:49,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-11-20 06:59:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-20 06:59:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2019-11-20 06:59:49,487 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 22 [2019-11-20 06:59:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:59:49,487 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2019-11-20 06:59:49,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:59:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2019-11-20 06:59:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:59:49,488 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:59:49,488 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] [2019-11-20 06:59:49,489 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:59:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1866940949, now seen corresponding path program 2 times [2019-11-20 06:59:49,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:59:49,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585545305] [2019-11-20 06:59:49,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:59:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:49,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585545305] [2019-11-20 06:59:49,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:59:49,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 06:59:49,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078025342] [2019-11-20 06:59:49,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:59:49,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:59:49,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:59:49,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:59:49,583 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand 4 states. [2019-11-20 06:59:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:59:49,597 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2019-11-20 06:59:49,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 06:59:49,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-11-20 06:59:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:59:49,598 INFO L225 Difference]: With dead ends: 33 [2019-11-20 06:59:49,598 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 06:59:49,599 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:59:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 06:59:49,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 06:59:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 06:59:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:59:49,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-20 06:59:49,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:59:49,600 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:59:49,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:59:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:59:49,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:59:49,603 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 06:59:49,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:59:49 BasicIcfg [2019-11-20 06:59:49,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:59:49,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:59:49,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:59:49,605 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:59:49,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:48" (3/4) ... [2019-11-20 06:59:49,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:59:49,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-20 06:59:49,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 06:59:49,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 06:59:49,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:59:49,655 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34f0f2fe-eb17-4c55-9c47-b851dd5134b6/bin/uautomizer/witness.graphml [2019-11-20 06:59:49,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:59:49,657 INFO L168 Benchmark]: Toolchain (without parser) took 1844.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -100.1 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:49,658 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:59:49,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:49,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:49,659 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:59:49,660 INFO L168 Benchmark]: RCFGBuilder took 349.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:49,660 INFO L168 Benchmark]: TraceAbstraction took 747.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:49,660 INFO L168 Benchmark]: Witness Printer took 50.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:59:49,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 349.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 747.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * Witness Printer took 50.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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 5 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 122 SDtfs, 34 SDslu, 87 SDs, 0 SdLazy, 18 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=354occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...