./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27e2f315de443e202cbc54a2cdc7db0fe3a55a0e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:24:55,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:24:55,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:24:55,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:24:55,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:24:55,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:24:55,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:24:55,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:24:55,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:24:55,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:24:55,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:24:55,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:24:55,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:24:55,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:24:55,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:24:55,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:24:55,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:24:55,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:24:55,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:24:55,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:24:55,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:24:55,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:24:55,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:24:55,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:24:55,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:24:55,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:24:55,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:24:55,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:24:55,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:24:55,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:24:55,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:24:55,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:24:55,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:24:55,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:24:55,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:24:55,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:24:55,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:24:55,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:24:55,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:24:55,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:24:55,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:24:55,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:24:55,681 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:24:55,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:24:55,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:24:55,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:24:55,685 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:24:55,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:24:55,686 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:24:55,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:24:55,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:24:55,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:24:55,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:24:55,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:24:55,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:24:55,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:24:55,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:24:55,690 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:24:55,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:24:55,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:24:55,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:24:55,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:24:55,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:24:55,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:24:55,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:24:55,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:24:55,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:24:55,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:24:55,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:24:55,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:24:55,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:24:55,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e2f315de443e202cbc54a2cdc7db0fe3a55a0e [2020-11-29 19:24:56,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:24:56,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:24:56,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:24:56,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:24:56,114 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:24:56,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2020-11-29 19:24:56,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/data/52a363f2e/b215bfc783e44ae4a3df2ff1a23fa95e/FLAGf726b7d06 [2020-11-29 19:24:56,840 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:24:56,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2020-11-29 19:24:56,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/data/52a363f2e/b215bfc783e44ae4a3df2ff1a23fa95e/FLAGf726b7d06 [2020-11-29 19:24:57,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/data/52a363f2e/b215bfc783e44ae4a3df2ff1a23fa95e [2020-11-29 19:24:57,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:24:57,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:24:57,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:24:57,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:24:57,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:24:57,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:57,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db4efad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57, skipping insertion in model container [2020-11-29 19:24:57,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:57,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:24:57,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:24:57,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:24:57,727 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:24:57,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:24:57,929 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:24:57,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57 WrapperNode [2020-11-29 19:24:57,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:24:57,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:24:57,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:24:57,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:24:57,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:57,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:24:58,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:24:58,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:24:58,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:24:58,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... [2020-11-29 19:24:58,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:24:58,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:24:58,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:24:58,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:24:58,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/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 [2020-11-29 19:24:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2020-11-29 19:24:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2020-11-29 19:24:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:24:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2020-11-29 19:24:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2020-11-29 19:24:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:24:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-29 19:24:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:24:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:24:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:24:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:24:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:24:58,147 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 19:24:58,802 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:24:58,802 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-29 19:24:58,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:24:58 BoogieIcfgContainer [2020-11-29 19:24:58,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:24:58,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:24:58,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:24:58,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:24:58,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:24:57" (1/3) ... [2020-11-29 19:24:58,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138cdb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:24:58, skipping insertion in model container [2020-11-29 19:24:58,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:57" (2/3) ... [2020-11-29 19:24:58,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138cdb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:24:58, skipping insertion in model container [2020-11-29 19:24:58,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:24:58" (3/3) ... [2020-11-29 19:24:58,815 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2020-11-29 19:24:58,830 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-29 19:24:58,831 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:24:58,837 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 19:24:58,839 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-29 19:24:58,875 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,875 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,876 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,876 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,876 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,877 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,877 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,878 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,878 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,878 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,879 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,879 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,879 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,880 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,881 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,881 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,881 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,881 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,882 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,882 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,883 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,883 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,884 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,884 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,885 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,885 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,888 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,888 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,889 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,889 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,889 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,890 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,890 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,890 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,896 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,897 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,897 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,897 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,898 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,898 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,898 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 19:24:58,918 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-29 19:24:58,934 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-29 19:24:58,978 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:24:58,979 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:24:58,979 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:24:58,979 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:24:58,979 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:24:58,980 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:24:58,980 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:24:58,980 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:24:58,995 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-29 19:24:58,999 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 98 transitions, 218 flow [2020-11-29 19:24:59,002 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 98 transitions, 218 flow [2020-11-29 19:24:59,004 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 96 places, 98 transitions, 218 flow [2020-11-29 19:24:59,071 INFO L129 PetriNetUnfolder]: 8/98 cut-off events. [2020-11-29 19:24:59,071 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-29 19:24:59,077 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 98 events. 8/98 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2020-11-29 19:24:59,081 INFO L116 LiptonReduction]: Number of co-enabled transitions 1376 [2020-11-29 19:25:01,967 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-29 19:25:02,553 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-11-29 19:25:02,719 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-29 19:25:02,848 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-29 19:25:02,979 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-29 19:25:03,790 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2020-11-29 19:25:04,182 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-11-29 19:25:04,204 INFO L131 LiptonReduction]: Checked pairs total: 4493 [2020-11-29 19:25:04,205 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-11-29 19:25:04,228 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 33 transitions, 88 flow [2020-11-29 19:25:04,260 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 197 states. [2020-11-29 19:25:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-11-29 19:25:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 19:25:04,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:25:04,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-29 19:25:04,270 INFO L429 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:25:04,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:25:04,278 INFO L82 PathProgramCache]: Analyzing trace with hash 370145274, now seen corresponding path program 1 times [2020-11-29 19:25:04,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:25:04,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196831701] [2020-11-29 19:25:04,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:25:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:25:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:25:04,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196831701] [2020-11-29 19:25:04,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:25:04,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:25:04,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465316406] [2020-11-29 19:25:04,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:25:04,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:25:04,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:25:04,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:04,534 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 3 states. [2020-11-29 19:25:04,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:25:04,602 INFO L93 Difference]: Finished difference Result 197 states and 434 transitions. [2020-11-29 19:25:04,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:25:04,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-29 19:25:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:25:04,632 INFO L225 Difference]: With dead ends: 197 [2020-11-29 19:25:04,633 INFO L226 Difference]: Without dead ends: 167 [2020-11-29 19:25:04,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:04,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-29 19:25:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-11-29 19:25:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-11-29 19:25:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 363 transitions. [2020-11-29 19:25:04,697 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 363 transitions. Word has length 5 [2020-11-29 19:25:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:25:04,697 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 363 transitions. [2020-11-29 19:25:04,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:25:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 363 transitions. [2020-11-29 19:25:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 19:25:04,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:25:04,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:25:04,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:25:04,699 INFO L429 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:25:04,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:25:04,700 INFO L82 PathProgramCache]: Analyzing trace with hash -791989179, now seen corresponding path program 1 times [2020-11-29 19:25:04,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:25:04,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000094367] [2020-11-29 19:25:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:25:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:25:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:25:04,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000094367] [2020-11-29 19:25:04,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:25:04,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:25:04,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133942529] [2020-11-29 19:25:04,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:25:04,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:25:04,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:25:04,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:04,852 INFO L87 Difference]: Start difference. First operand 167 states and 363 transitions. Second operand 3 states. [2020-11-29 19:25:04,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:25:04,918 INFO L93 Difference]: Finished difference Result 182 states and 370 transitions. [2020-11-29 19:25:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:25:04,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-29 19:25:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:25:04,923 INFO L225 Difference]: With dead ends: 182 [2020-11-29 19:25:04,923 INFO L226 Difference]: Without dead ends: 157 [2020-11-29 19:25:04,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:04,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-11-29 19:25:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 143. [2020-11-29 19:25:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-11-29 19:25:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 302 transitions. [2020-11-29 19:25:04,960 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 302 transitions. Word has length 7 [2020-11-29 19:25:04,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:25:04,961 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 302 transitions. [2020-11-29 19:25:04,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:25:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 302 transitions. [2020-11-29 19:25:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 19:25:04,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:25:04,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:25:04,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:25:04,963 INFO L429 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:25:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:25:04,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1802702046, now seen corresponding path program 1 times [2020-11-29 19:25:04,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:25:04,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411872961] [2020-11-29 19:25:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:25:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:25:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:25:05,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411872961] [2020-11-29 19:25:05,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:25:05,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:25:05,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710099786] [2020-11-29 19:25:05,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:25:05,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:25:05,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:25:05,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:05,077 INFO L87 Difference]: Start difference. First operand 143 states and 302 transitions. Second operand 3 states. [2020-11-29 19:25:05,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:25:05,113 INFO L93 Difference]: Finished difference Result 138 states and 278 transitions. [2020-11-29 19:25:05,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:25:05,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-29 19:25:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:25:05,117 INFO L225 Difference]: With dead ends: 138 [2020-11-29 19:25:05,117 INFO L226 Difference]: Without dead ends: 84 [2020-11-29 19:25:05,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-11-29 19:25:05,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-11-29 19:25:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-29 19:25:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 151 transitions. [2020-11-29 19:25:05,131 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 151 transitions. Word has length 8 [2020-11-29 19:25:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:25:05,131 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 151 transitions. [2020-11-29 19:25:05,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:25:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2020-11-29 19:25:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:25:05,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:25:05,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:25:05,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:25:05,134 INFO L429 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:25:05,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:25:05,135 INFO L82 PathProgramCache]: Analyzing trace with hash 762481646, now seen corresponding path program 1 times [2020-11-29 19:25:05,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:25:05,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374572206] [2020-11-29 19:25:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:25:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:25:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:25:05,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374572206] [2020-11-29 19:25:05,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:25:05,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:25:05,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549264818] [2020-11-29 19:25:05,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:25:05,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:25:05,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:25:05,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:25:05,252 INFO L87 Difference]: Start difference. First operand 84 states and 151 transitions. Second operand 3 states. [2020-11-29 19:25:05,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:25:05,265 INFO L93 Difference]: Finished difference Result 84 states and 145 transitions. [2020-11-29 19:25:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:25:05,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-29 19:25:05,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:25:05,267 INFO L225 Difference]: With dead ends: 84 [2020-11-29 19:25:05,268 INFO L226 Difference]: Without dead ends: 72 [2020-11-29 19:25:05,268 INFO L677 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 [2020-11-29 19:25:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-11-29 19:25:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-11-29 19:25:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-29 19:25:05,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 124 transitions. [2020-11-29 19:25:05,278 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 124 transitions. Word has length 12 [2020-11-29 19:25:05,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:25:05,278 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 124 transitions. [2020-11-29 19:25:05,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:25:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2020-11-29 19:25:05,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:25:05,284 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:25:05,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:25:05,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:25:05,285 INFO L429 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:25:05,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:25:05,285 INFO L82 PathProgramCache]: Analyzing trace with hash 630959256, now seen corresponding path program 1 times [2020-11-29 19:25:05,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:25:05,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965968008] [2020-11-29 19:25:05,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:25:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:25:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:25:05,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965968008] [2020-11-29 19:25:05,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:25:05,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:25:05,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881513582] [2020-11-29 19:25:05,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:25:05,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:25:05,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:25:05,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:25:05,387 INFO L87 Difference]: Start difference. First operand 72 states and 124 transitions. Second operand 4 states. [2020-11-29 19:25:05,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:25:05,433 INFO L93 Difference]: Finished difference Result 22 states and 35 transitions. [2020-11-29 19:25:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:25:05,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-29 19:25:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:25:05,434 INFO L225 Difference]: With dead ends: 22 [2020-11-29 19:25:05,434 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:25:05,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:25:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:25:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:25:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:25:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:25:05,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-29 19:25:05,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:25:05,435 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:25:05,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:25:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:25:05,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:25:05,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:25:05,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:25:05 BasicIcfg [2020-11-29 19:25:05,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:25:05,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:25:05,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:25:05,439 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:25:05,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:24:58" (3/4) ... [2020-11-29 19:25:05,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:25:05,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2020-11-29 19:25:05,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2020-11-29 19:25:05,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-29 19:25:05,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:25:05,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:25:05,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:25:05,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f3da9a82-e9d8-453b-9e47-0226ef77240a/bin/uautomizer/witness.graphml [2020-11-29 19:25:05,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:25:05,499 INFO L168 Benchmark]: Toolchain (without parser) took 8389.56 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 71.4 MB in the beginning and 60.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,499 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 61.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:25:05,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.40 ms. Allocated memory is still 102.8 MB. Free memory was 71.4 MB in the beginning and 59.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.16 ms. Allocated memory is still 102.8 MB. Free memory was 59.5 MB in the beginning and 57.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,502 INFO L168 Benchmark]: Boogie Preprocessor took 31.84 ms. Allocated memory is still 102.8 MB. Free memory was 57.4 MB in the beginning and 56.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,503 INFO L168 Benchmark]: RCFGBuilder took 763.87 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 56.1 MB in the beginning and 97.0 MB in the end (delta: -40.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,504 INFO L168 Benchmark]: TraceAbstraction took 6631.50 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 96.2 MB in the beginning and 62.6 MB in the end (delta: 33.5 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,505 INFO L168 Benchmark]: Witness Printer took 58.02 ms. Allocated memory is still 148.9 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:25:05,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 61.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 820.40 ms. Allocated memory is still 102.8 MB. Free memory was 71.4 MB in the beginning and 59.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.16 ms. Allocated memory is still 102.8 MB. Free memory was 59.5 MB in the beginning and 57.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.84 ms. Allocated memory is still 102.8 MB. Free memory was 57.4 MB in the beginning and 56.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 763.87 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 56.1 MB in the beginning and 97.0 MB in the end (delta: -40.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6631.50 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 96.2 MB in the beginning and 62.6 MB in the end (delta: 33.5 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. * Witness Printer took 58.02 ms. Allocated memory is still 148.9 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1123 VarBasedMoverChecksPositive, 105 VarBasedMoverChecksNegative, 65 SemBasedMoverChecksPositive, 40 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 204 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.2s, 96 PlacesBefore, 34 PlacesAfterwards, 98 TransitionsBefore, 33 TransitionsAfterwards, 1376 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 94 TotalNumberOfCompositions, 4493 MoverChecksTotal - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 125 SDtfs, 68 SDslu, 60 SDs, 0 SdLazy, 20 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred 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, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...