/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/security.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:35:49,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:35:49,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:35:49,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 16:35:49,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 16:35:49,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 16:35:49,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 16:35:49,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 16:35:49,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 16:35:49,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 16:35:49,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 16:35:49,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 16:35:49,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:35:49,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:35:49,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:35:49,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:35:49,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:35:49,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:35:49,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:35:49,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:35:49,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:35:49,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:35:49,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:35:49,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:35:49,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 16:35:49,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 16:35:49,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 16:35:49,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 16:35:49,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 16:35:49,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 16:35:49,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 16:35:49,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 16:35:49,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 16:35:49,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 16:35:49,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 16:35:49,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 16:35:49,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 16:35:49,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 16:35:49,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:35:49,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:35:49,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:35:49,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 16:35:49,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:35:49,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:35:49,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:35:49,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:35:49,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:35:49,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:35:49,964 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:35:49,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:35:49,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:35:49,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:35:49,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:35:49,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:35:49,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:35:49,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:35:49,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:35:49,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:35:49,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:35:49,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:35:49,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:35:49,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:35:49,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:35:49,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 16:35:49,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:35:49,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:35:49,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:35:49,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:35:49,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:35:49,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:35:49,970 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 16:35:49,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:35:49,971 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 16:35:49,971 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 16:35:49,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:35:49,972 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 16:35:49,972 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 16:35:49,972 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:35:50,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:35:50,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:35:50,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:35:50,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:35:50,474 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:35:50,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/security.wvr.c [2021-10-06 16:35:50,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6443f393d/677eef59ef6d48dea9e23eedab3f5135/FLAG75a2898f0 [2021-10-06 16:35:51,223 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:35:51,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/security.wvr.c [2021-10-06 16:35:51,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6443f393d/677eef59ef6d48dea9e23eedab3f5135/FLAG75a2898f0 [2021-10-06 16:35:51,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6443f393d/677eef59ef6d48dea9e23eedab3f5135 [2021-10-06 16:35:51,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:35:51,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:35:51,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:35:51,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:35:51,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:35:51,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cad8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51, skipping insertion in model container [2021-10-06 16:35:51,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:35:51,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:35:51,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/security.wvr.c[1872,1885] [2021-10-06 16:35:51,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:35:51,791 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:35:51,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/security.wvr.c[1872,1885] [2021-10-06 16:35:51,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:35:51,833 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:35:51,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51 WrapperNode [2021-10-06 16:35:51,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:35:51,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:35:51,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:35:51,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:35:51,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:35:51,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:35:51,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:35:51,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:35:51,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:35:51,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:35:51,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:35:51,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:35:51,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (1/1) ... [2021-10-06 16:35:51,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:35:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:35:51,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 16:35:51,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 16:35:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:35:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:35:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:35:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:35:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:35:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:35:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:35:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:35:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:35:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:35:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:35:52,010 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:35:52,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:35:52,383 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-06 16:35:52,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:35:52 BoogieIcfgContainer [2021-10-06 16:35:52,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:35:52,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:35:52,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:35:52,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:35:52,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:35:51" (1/3) ... [2021-10-06 16:35:52,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d7f100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:35:52, skipping insertion in model container [2021-10-06 16:35:52,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:51" (2/3) ... [2021-10-06 16:35:52,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d7f100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:35:52, skipping insertion in model container [2021-10-06 16:35:52,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:35:52" (3/3) ... [2021-10-06 16:35:52,428 INFO L111 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2021-10-06 16:35:52,444 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:35:52,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:35:52,445 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 16:35:52,445 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:35:52,521 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,522 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,522 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,523 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,523 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,523 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,523 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,524 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,525 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,525 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,526 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,529 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,529 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,530 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,530 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,530 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,537 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,541 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,542 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,556 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,556 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,556 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:52,574 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-06 16:35:52,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 16:35:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:35:52,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 16:35:52,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 16:35:52,693 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 16:35:52,703 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, mConcurrency=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 [2021-10-06 16:35:52,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-06 16:35:52,863 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:35:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:35:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1062863320, now seen corresponding path program 1 times [2021-10-06 16:35:52,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:35:52,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584801902] [2021-10-06 16:35:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:35:52,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:35:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:35:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:35:53,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:35:53,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584801902] [2021-10-06 16:35:53,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584801902] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:35:53,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:35:53,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:35:53,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427505138] [2021-10-06 16:35:53,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 16:35:53,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:35:53,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 16:35:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:35:53,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:35:53,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2021-10-06 16:35:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:35:53,222 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:35:53,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:35:53,223 INFO L82 PathProgramCache]: Analyzing trace with hash -588475214, now seen corresponding path program 1 times [2021-10-06 16:35:53,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:35:53,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139957624] [2021-10-06 16:35:53,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:35:53,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:35:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:35:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:35:53,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:35:53,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139957624] [2021-10-06 16:35:53,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139957624] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:35:53,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:35:53,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-06 16:35:53,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102040385] [2021-10-06 16:35:53,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-06 16:35:53,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:35:53,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-06 16:35:53,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-06 16:35:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,646 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:35:53,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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) [2021-10-06 16:35:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:35:53,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 16:35:53,922 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:35:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:35:53,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1893498285, now seen corresponding path program 1 times [2021-10-06 16:35:53,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:35:53,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412102686] [2021-10-06 16:35:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:35:53,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:35:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:35:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:35:54,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:35:54,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412102686] [2021-10-06 16:35:54,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412102686] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:35:54,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:35:54,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-06 16:35:54,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140298408] [2021-10-06 16:35:54,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-06 16:35:54,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:35:54,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-06 16:35:54,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-06 16:35:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,212 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:35:54,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-10-06 16:35:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:35:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-06 16:35:54,462 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:35:54,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:35:54,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1010968843, now seen corresponding path program 1 times [2021-10-06 16:35:54,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:35:54,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408451992] [2021-10-06 16:35:54,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:35:54,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:35:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:35:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:35:54,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:35:54,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408451992] [2021-10-06 16:35:54,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408451992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:35:54,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:35:54,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-06 16:35:54,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171542647] [2021-10-06 16:35:54,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-06 16:35:54,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:35:54,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-06 16:35:54,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-10-06 16:35:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:35:54,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-10-06 16:35:54,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:54,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-06 16:35:54,780 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-06 16:35:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:35:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1978975382, now seen corresponding path program 1 times [2021-10-06 16:35:54,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:35:54,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658448047] [2021-10-06 16:35:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:35:54,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:35:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:35:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:35:55,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:35:55,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658448047] [2021-10-06 16:35:55,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658448047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:35:55,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:35:55,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-06 16:35:55,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361334051] [2021-10-06 16:35:55,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 16:35:55,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:35:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 16:35:55,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-06 16:35:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:55,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:35:55,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 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) [2021-10-06 16:35:55,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:55,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:55,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:35:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:35:55,233 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-06 16:35:55,234 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 16:35:55,234 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 16:35:55,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-06 16:35:55,246 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 16:35:55,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 16:35:55,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:35:55 BasicIcfg [2021-10-06 16:35:55,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:35:55,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:35:55,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:35:55,250 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:35:55,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:35:52" (3/4) ... [2021-10-06 16:35:55,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-06 16:35:55,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-06 16:35:55,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-06 16:35:55,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-06 16:35:55,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-06 16:35:55,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-06 16:35:55,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-06 16:35:55,312 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/security.wvr.c-witness.graphml [2021-10-06 16:35:55,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:35:55,314 INFO L168 Benchmark]: Toolchain (without parser) took 3757.09 ms. Allocated memory is still 153.1 MB. Free memory was 128.6 MB in the beginning and 110.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:55,315 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 153.1 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:35:55,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.13 ms. Allocated memory is still 153.1 MB. Free memory was 128.3 MB in the beginning and 118.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:55,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 153.1 MB. Free memory was 118.3 MB in the beginning and 116.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:55,317 INFO L168 Benchmark]: Boogie Preprocessor took 25.41 ms. Allocated memory is still 153.1 MB. Free memory was 116.8 MB in the beginning and 115.9 MB in the end (delta: 957.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:55,317 INFO L168 Benchmark]: RCFGBuilder took 491.12 ms. Allocated memory is still 153.1 MB. Free memory was 115.9 MB in the beginning and 105.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:55,318 INFO L168 Benchmark]: TraceAbstraction took 2856.44 ms. Allocated memory is still 153.1 MB. Free memory was 104.9 MB in the beginning and 112.6 MB in the end (delta: -7.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:35:55,318 INFO L168 Benchmark]: Witness Printer took 62.37 ms. Allocated memory is still 153.1 MB. Free memory was 112.6 MB in the beginning and 110.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:55,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 153.1 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 269.13 ms. Allocated memory is still 153.1 MB. Free memory was 128.3 MB in the beginning and 118.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 153.1 MB. Free memory was 118.3 MB in the beginning and 116.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.41 ms. Allocated memory is still 153.1 MB. Free memory was 116.8 MB in the beginning and 115.9 MB in the end (delta: 957.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 491.12 ms. Allocated memory is still 153.1 MB. Free memory was 115.9 MB in the beginning and 105.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2856.44 ms. Allocated memory is still 153.1 MB. Free memory was 104.9 MB in the beginning and 112.6 MB in the end (delta: -7.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 62.37 ms. Allocated memory is still 153.1 MB. Free memory was 112.6 MB in the beginning and 110.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 793, positive: 756, positive conditional: 297, positive unconditional: 459, negative: 37, negative conditional: 35, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 297, positive unconditional: 459, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 297, positive unconditional: 459, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 169, positive unconditional: 587, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 758, positive: 756, positive conditional: 50, positive unconditional: 706, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 50, positive unconditional: 706, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 471, positive: 469, positive conditional: 3, positive unconditional: 466, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 471, positive: 469, positive conditional: 0, positive unconditional: 469, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 758, positive: 287, positive conditional: 47, positive unconditional: 240, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 471, unknown conditional: 3, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 471, Positive cache size: 469, Positive conditional cache size: 3, Positive unconditional cache size: 466, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 119, Maximal queried relation: 0, Independence queries for same thread: 35 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 118, Number of persistent set computation: 93, Number of trivial persistent sets: 62, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461, positive: 459, positive conditional: 0, positive unconditional: 459, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 793, positive: 756, positive conditional: 297, positive unconditional: 459, negative: 37, negative conditional: 35, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 297, positive unconditional: 459, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 297, positive unconditional: 459, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 169, positive unconditional: 587, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 758, positive: 756, positive conditional: 50, positive unconditional: 706, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 758, positive: 756, positive conditional: 50, positive unconditional: 706, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 471, positive: 469, positive conditional: 3, positive unconditional: 466, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 471, positive: 469, positive conditional: 0, positive unconditional: 469, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 758, positive: 287, positive conditional: 47, positive unconditional: 240, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 471, unknown conditional: 3, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 471, Positive cache size: 469, Positive conditional cache size: 3, Positive unconditional cache size: 466, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 119, Maximal queried relation: 0, Independence queries for same thread: 35 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 72]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2608.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.8ms, PartialOrderReductionTime: 1008.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.9ms SsaConstructionTime, 280.5ms SatisfiabilityAnalysisTime, 943.2ms InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 1081 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-06 16:35:55,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-06 16:35:55,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...