/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 09:08:18,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 09:08:18,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 09:08:18,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 09:08:18,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 09:08:18,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 09:08:18,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 09:08:18,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 09:08:18,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 09:08:18,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 09:08:18,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 09:08:18,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 09:08:18,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 09:08:18,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 09:08:18,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 09:08:18,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 09:08:18,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 09:08:18,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 09:08:18,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 09:08:18,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 09:08:18,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 09:08:18,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 09:08:18,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 09:08:18,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 09:08:18,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 09:08:18,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 09:08:18,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 09:08:18,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 09:08:18,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 09:08:18,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 09:08:18,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 09:08:18,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 09:08:18,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 09:08:18,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 09:08:18,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 09:08:18,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 09:08:18,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 09:08:18,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 09:08:18,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 09:08:18,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 09:08:18,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 09:08:18,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 09:08:19,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 09:08:19,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 09:08:19,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 09:08:19,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 09:08:19,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 09:08:19,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 09:08:19,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 09:08:19,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 09:08:19,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 09:08:19,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 09:08:19,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 09:08:19,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 09:08:19,014 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 09:08:19,015 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 09:08:19,015 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 09:08:19,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 09:08:19,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 09:08:19,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 09:08:19,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 09:08:19,200 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 09:08:19,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2022-02-11 09:08:19,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0a195c4d/5158e4e602dc485faa04c55150ec2bf2/FLAGfeaa27777 [2022-02-11 09:08:19,561 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 09:08:19,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c [2022-02-11 09:08:19,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0a195c4d/5158e4e602dc485faa04c55150ec2bf2/FLAGfeaa27777 [2022-02-11 09:08:20,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0a195c4d/5158e4e602dc485faa04c55150ec2bf2 [2022-02-11 09:08:20,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 09:08:20,002 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 09:08:20,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 09:08:20,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 09:08:20,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 09:08:20,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ed93e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20, skipping insertion in model container [2022-02-11 09:08:20,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 09:08:20,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 09:08:20,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c[1849,1862] [2022-02-11 09:08:20,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 09:08:20,159 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 09:08:20,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp1x3.wvr.c[1849,1862] [2022-02-11 09:08:20,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 09:08:20,187 INFO L208 MainTranslator]: Completed translation [2022-02-11 09:08:20,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20 WrapperNode [2022-02-11 09:08:20,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 09:08:20,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 09:08:20,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 09:08:20,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 09:08:20,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,211 INFO L137 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-02-11 09:08:20,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 09:08:20,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 09:08:20,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 09:08:20,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 09:08:20,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 09:08:20,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 09:08:20,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 09:08:20,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 09:08:20,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (1/1) ... [2022-02-11 09:08:20,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 09:08:20,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:08:20,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 09:08:20,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 09:08:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 09:08:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 09:08:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 09:08:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 09:08:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 09:08:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 09:08:20,284 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 09:08:20,332 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 09:08:20,333 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 09:08:20,444 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 09:08:20,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 09:08:20,449 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 09:08:20,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 09:08:20 BoogieIcfgContainer [2022-02-11 09:08:20,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 09:08:20,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 09:08:20,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 09:08:20,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 09:08:20,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 09:08:20" (1/3) ... [2022-02-11 09:08:20,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 09:08:20, skipping insertion in model container [2022-02-11 09:08:20,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:08:20" (2/3) ... [2022-02-11 09:08:20,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 09:08:20, skipping insertion in model container [2022-02-11 09:08:20,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 09:08:20" (3/3) ... [2022-02-11 09:08:20,465 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2022-02-11 09:08:20,469 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 09:08:20,469 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 09:08:20,469 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 09:08:20,469 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 09:08:20,511 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,511 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,511 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,512 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,513 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,513 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,513 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,514 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,520 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,520 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,522 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,522 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:08:20,525 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 09:08:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 09:08:20,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:08:20,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 09:08:20,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 09:08:20,608 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 09:08:20,614 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 09:08:20,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 09:08:20,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:08:20,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:08:20,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1865310748, now seen corresponding path program 1 times [2022-02-11 09:08:20,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:08:20,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320390620] [2022-02-11 09:08:20,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:08:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:21,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:08:21,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320390620] [2022-02-11 09:08:21,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320390620] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:08:21,037 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:08:21,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 09:08:21,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699346977] [2022-02-11 09:08:21,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:08:21,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 09:08:21,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:08:21,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 09:08:21,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 09:08:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,068 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:08:21,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:08:21,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 09:08:21,105 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:08:21,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:08:21,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2145271880, now seen corresponding path program 1 times [2022-02-11 09:08:21,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:08:21,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680169325] [2022-02-11 09:08:21,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:21,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:08:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:21,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:08:21,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680169325] [2022-02-11 09:08:21,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680169325] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:08:21,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:08:21,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 09:08:21,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748361479] [2022-02-11 09:08:21,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:08:21,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 09:08:21,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:08:21,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 09:08:21,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-11 09:08:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,398 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:08:21,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:08:21,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:08:21,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 09:08:21,613 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:08:21,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:08:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1390745658, now seen corresponding path program 1 times [2022-02-11 09:08:21,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:08:21,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154194112] [2022-02-11 09:08:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:21,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:08:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:21,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:08:21,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154194112] [2022-02-11 09:08:21,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154194112] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:08:21,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:08:21,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 09:08:21,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622389064] [2022-02-11 09:08:21,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:08:21,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 09:08:21,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:08:21,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 09:08:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 09:08:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:08:21,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:08:21,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:08:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:08:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:08:21,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 09:08:21,939 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:08:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:08:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1425337354, now seen corresponding path program 1 times [2022-02-11 09:08:21,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:08:21,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728018771] [2022-02-11 09:08:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:21,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:08:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:22,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:08:22,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728018771] [2022-02-11 09:08:22,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728018771] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 09:08:22,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254832207] [2022-02-11 09:08:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:22,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 09:08:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:08:22,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 09:08:22,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 09:08:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:22,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 09:08:22,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 09:08:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:22,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 09:08:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:22,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254832207] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 09:08:22,725 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 09:08:22,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-02-11 09:08:22,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136537853] [2022-02-11 09:08:22,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 09:08:22,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-11 09:08:22,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:08:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-11 09:08:22,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-11 09:08:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:22,728 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:08:22,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:08:22,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:22,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:08:22,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:08:22,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:08:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:08:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:08:22,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 09:08:22,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-11 09:08:23,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,ResultService [2022-02-11 09:08:23,118 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:08:23,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:08:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1758090488, now seen corresponding path program 1 times [2022-02-11 09:08:23,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:08:23,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023866631] [2022-02-11 09:08:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:23,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:08:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:23,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:08:23,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023866631] [2022-02-11 09:08:23,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023866631] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 09:08:23,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776974885] [2022-02-11 09:08:23,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:08:23,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 09:08:23,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:08:23,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 09:08:23,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 09:08:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:08:23,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-11 09:08:23,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 09:08:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:08:45,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 09:09:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:09:04,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776974885] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 09:09:04,429 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 09:09:04,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 26 [2022-02-11 09:09:04,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853526678] [2022-02-11 09:09:04,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 09:09:04,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-11 09:09:04,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:09:04,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-11 09:09:04,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=504, Unknown=1, NotChecked=0, Total=650 [2022-02-11 09:09:04,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:09:04,432 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:09:04,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.8076923076923075) internal successors, (125), 26 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 09:09:04,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:09:04,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:09:04,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:09:04,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 09:09:04,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:09:05,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:11,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:13,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:15,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:22,037 WARN L228 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 40 DAG size of output: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 09:09:24,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:26,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:38,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:40,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:42,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-11 09:09:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:09:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:09:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:09:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 09:09:48,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 09:09:48,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 09:09:48,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 09:09:48,493 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:09:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:09:48,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1491465416, now seen corresponding path program 2 times [2022-02-11 09:09:48,504 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:09:48,504 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450589079] [2022-02-11 09:09:48,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:09:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:09:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:09:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:09:53,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:09:53,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450589079] [2022-02-11 09:09:53,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450589079] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 09:09:53,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331748781] [2022-02-11 09:09:53,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 09:09:53,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 09:09:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:09:53,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 09:09:53,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 09:10:08,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 09:10:08,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 09:10:08,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-11 09:10:08,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-11 09:23:03,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 09:23:03,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 09:23:03,937 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 09:23:04,685 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-11 09:23:04,687 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 09:23:04,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 09:23:04,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 09:23:04,888 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 69 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 2ms.. [2022-02-11 09:23:04,889 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 09:23:04,889 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 09:23:04,891 INFO L733 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-02-11 09:23:04,892 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 09:23:04,892 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 09:23:04,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 09:23:04 BasicIcfg [2022-02-11 09:23:04,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 09:23:04,894 INFO L158 Benchmark]: Toolchain (without parser) took 884892.01ms. Allocated memory was 255.9MB in the beginning and 394.3MB in the end (delta: 138.4MB). Free memory was 199.5MB in the beginning and 281.2MB in the end (delta: -81.7MB). Peak memory consumption was 205.2MB. Max. memory is 8.0GB. [2022-02-11 09:23:04,894 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory is still 215.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 09:23:04,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.49ms. Allocated memory was 255.9MB in the beginning and 394.3MB in the end (delta: 138.4MB). Free memory was 199.4MB in the beginning and 365.7MB in the end (delta: -166.3MB). Peak memory consumption was 6.7MB. Max. memory is 8.0GB. [2022-02-11 09:23:04,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.98ms. Allocated memory is still 394.3MB. Free memory was 365.7MB in the beginning and 364.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 09:23:04,895 INFO L158 Benchmark]: Boogie Preprocessor took 15.84ms. Allocated memory is still 394.3MB. Free memory was 364.1MB in the beginning and 362.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 09:23:04,895 INFO L158 Benchmark]: RCFGBuilder took 217.45ms. Allocated memory is still 394.3MB. Free memory was 362.6MB in the beginning and 350.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-11 09:23:04,895 INFO L158 Benchmark]: TraceAbstraction took 884442.20ms. Allocated memory is still 394.3MB. Free memory was 350.0MB in the beginning and 281.2MB in the end (delta: 68.8MB). Peak memory consumption was 218.2MB. Max. memory is 8.0GB. [2022-02-11 09:23:04,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 255.9MB. Free memory is still 215.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 184.49ms. Allocated memory was 255.9MB in the beginning and 394.3MB in the end (delta: 138.4MB). Free memory was 199.4MB in the beginning and 365.7MB in the end (delta: -166.3MB). Peak memory consumption was 6.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.98ms. Allocated memory is still 394.3MB. Free memory was 365.7MB in the beginning and 364.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.84ms. Allocated memory is still 394.3MB. Free memory was 364.1MB in the beginning and 362.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.45ms. Allocated memory is still 394.3MB. Free memory was 362.6MB in the beginning and 350.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 884442.20ms. Allocated memory is still 394.3MB. Free memory was 350.0MB in the beginning and 281.2MB in the end (delta: 68.8MB). Peak memory consumption was 218.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 906, positive: 679, positive conditional: 335, positive unconditional: 344, negative: 227, negative conditional: 227, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 590, positive unconditional: 1001, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 590, positive unconditional: 1001, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 395, positive unconditional: 1196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 299, positive unconditional: 1292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 299, positive unconditional: 1292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 647, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 647, positive: 628, positive conditional: 0, positive unconditional: 628, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1591, positive: 944, positive conditional: 299, positive unconditional: 645, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 647, unknown conditional: 0, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 647, Positive conditional cache size: 0, Positive unconditional cache size: 647, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0, Independence queries for same thread: 227 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 62, Number of trivial persistent sets: 54, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 344, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 906, positive: 679, positive conditional: 335, positive unconditional: 344, negative: 227, negative conditional: 227, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 590, positive unconditional: 1001, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 590, positive unconditional: 1001, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 395, positive unconditional: 1196, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 299, positive unconditional: 1292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1591, positive: 1591, positive conditional: 299, positive unconditional: 1292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 647, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 647, positive: 628, positive conditional: 0, positive unconditional: 628, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1591, positive: 944, positive conditional: 299, positive unconditional: 645, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 647, unknown conditional: 0, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 647, Positive cache size: 647, Positive conditional cache size: 0, Positive unconditional cache size: 647, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0, Independence queries for same thread: 227 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 69 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 2ms.. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 69 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 2ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 69 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 884.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 44.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 42.0s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 553 ConstructedInterpolants, 0 QuantifiedInterpolants, 6898 SizeOfPredicates, 15 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 1/10 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 could not prove your program: Timeout Completed graceful shutdown