/usr/bin/java -Xmx16000000000 -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-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 12:07:57,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 12:07:57,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 12:07:57,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 12:07:57,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 12:07:57,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 12:07:57,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 12:07:57,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 12:07:57,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 12:07:57,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 12:07:57,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 12:07:57,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 12:07:57,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 12:07:57,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 12:07:57,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 12:07:57,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 12:07:57,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 12:07:57,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 12:07:57,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 12:07:57,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 12:07:57,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 12:07:57,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 12:07:57,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 12:07:57,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 12:07:57,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 12:07:57,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 12:07:57,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 12:07:57,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 12:07:57,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 12:07:57,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 12:07:57,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 12:07:57,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 12:07:57,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 12:07:57,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 12:07:57,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 12:07:57,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 12:07:57,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 12:07:57,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 12:07:57,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 12:07:57,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 12:07:57,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 12:07:57,256 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-LoopLockstep.epf [2021-11-14 12:07:57,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 12:07:57,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 12:07:57,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 12:07:57,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 12:07:57,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 12:07:57,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 12:07:57,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 12:07:57,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 12:07:57,289 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 12:07:57,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 12:07:57,290 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 12:07:57,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 12:07:57,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 12:07:57,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 12:07:57,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 12:07:57,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 12:07:57,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 12:07:57,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 12:07:57,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 12:07:57,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 12:07:57,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 12:07:57,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 12:07:57,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 12:07:57,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 12:07:57,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 12:07:57,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 12:07:57,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 12:07:57,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 12:07:57,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 12:07:57,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 12:07:57,293 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 12:07:57,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 12:07:57,294 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 12:07:57,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 12:07:57,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 12:07:57,294 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 12:07:57,294 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 12:07:57,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 12:07:57,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 12:07:57,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 12:07:57,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 12:07:57,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 12:07:57,557 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 12:07:57,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c [2021-11-14 12:07:57,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb15e58cd/c9804b9e43e1475ca516c9d4ff24ce5c/FLAG269039b0d [2021-11-14 12:07:57,968 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 12:07:57,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c [2021-11-14 12:07:57,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb15e58cd/c9804b9e43e1475ca516c9d4ff24ce5c/FLAG269039b0d [2021-11-14 12:07:58,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb15e58cd/c9804b9e43e1475ca516c9d4ff24ce5c [2021-11-14 12:07:58,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 12:07:58,395 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 12:07:58,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 12:07:58,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 12:07:58,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 12:07:58,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfb43f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58, skipping insertion in model container [2021-11-14 12:07:58,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 12:07:58,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 12:07:58,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c[1979,1992] [2021-11-14 12:07:58,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 12:07:58,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 12:07:58,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c[1979,1992] [2021-11-14 12:07:58,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 12:07:58,663 INFO L208 MainTranslator]: Completed translation [2021-11-14 12:07:58,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58 WrapperNode [2021-11-14 12:07:58,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 12:07:58,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 12:07:58,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 12:07:58,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 12:07:58,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 12:07:58,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 12:07:58,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 12:07:58,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 12:07:58,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 12:07:58,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 12:07:58,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 12:07:58,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 12:07:58,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (1/1) ... [2021-11-14 12:07:58,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 12:07:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 12:07:58,756 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) [2021-11-14 12:07:58,778 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 [2021-11-14 12:07:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 12:07:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 12:07:58,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 12:07:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 12:07:58,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 12:07:58,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 12:07:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 12:07:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 12:07:58,798 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 12:07:59,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 12:07:59,000 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 12:07:59,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:07:59 BoogieIcfgContainer [2021-11-14 12:07:59,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 12:07:59,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 12:07:59,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 12:07:59,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 12:07:59,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 12:07:58" (1/3) ... [2021-11-14 12:07:59,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488f7e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:07:59, skipping insertion in model container [2021-11-14 12:07:59,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:07:58" (2/3) ... [2021-11-14 12:07:59,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488f7e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 12:07:59, skipping insertion in model container [2021-11-14 12:07:59,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 12:07:59" (3/3) ... [2021-11-14 12:07:59,009 INFO L111 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2021-11-14 12:07:59,012 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 12:07:59,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 12:07:59,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 12:07:59,013 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 12:07:59,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,035 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,035 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,035 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,036 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,037 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,039 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,039 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,039 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 12:07:59,043 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-14 12:07:59,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 12:07:59,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 12:07:59,087 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) [2021-11-14 12:07:59,095 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 [2021-11-14 12:07:59,131 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 12:07:59,136 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 [2021-11-14 12:07:59,137 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-14 12:07:59,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 12:07:59,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 12:07:59,256 INFO L85 PathProgramCache]: Analyzing trace with hash 28203766, now seen corresponding path program 1 times [2021-11-14 12:07:59,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 12:07:59,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408414061] [2021-11-14 12:07:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 12:07:59,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 12:07:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 12:07:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 12:07:59,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 12:07:59,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408414061] [2021-11-14 12:07:59,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408414061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 12:07:59,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 12:07:59,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 12:07:59,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084735824] [2021-11-14 12:07:59,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 12:07:59,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 12:07:59,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 12:07:59,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 12:07:59,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 12:07:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 12:07:59,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2021-11-14 12:07:59,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 12:07:59,474 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 12:07:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 12:07:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash -506136346, now seen corresponding path program 1 times [2021-11-14 12:07:59,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 12:07:59,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5809076] [2021-11-14 12:07:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 12:07:59,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 12:07:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 12:07:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 12:07:59,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 12:07:59,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5809076] [2021-11-14 12:07:59,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5809076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 12:07:59,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 12:07:59,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 12:07:59,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485921525] [2021-11-14 12:07:59,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 12:07:59,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 12:07:59,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 12:07:59,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 12:07:59,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-14 12:07:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,775 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 12:07:59,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-11-14 12:07:59,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 12:07:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 12:07:59,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-14 12:07:59,965 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-14 12:07:59,966 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-14 12:07:59,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 12:07:59,978 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-14 12:07:59,983 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 12:07:59,985 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 12:07:59,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 12:07:59 BasicIcfg [2021-11-14 12:07:59,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 12:07:59,988 INFO L158 Benchmark]: Toolchain (without parser) took 1592.96ms. Allocated memory was 379.6MB in the beginning and 471.9MB in the end (delta: 92.3MB). Free memory was 326.0MB in the beginning and 380.2MB in the end (delta: -54.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.0GB. [2021-11-14 12:07:59,988 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 379.6MB. Free memory is still 342.3MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 12:07:59,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.62ms. Allocated memory was 379.6MB in the beginning and 471.9MB in the end (delta: 92.3MB). Free memory was 325.8MB in the beginning and 445.3MB in the end (delta: -119.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.0GB. [2021-11-14 12:07:59,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.08ms. Allocated memory is still 471.9MB. Free memory was 445.3MB in the beginning and 443.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 12:07:59,990 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 471.9MB. Free memory was 443.7MB in the beginning and 442.8MB in the end (delta: 861.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 12:07:59,990 INFO L158 Benchmark]: RCFGBuilder took 274.80ms. Allocated memory is still 471.9MB. Free memory was 442.5MB in the beginning and 429.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-14 12:07:59,991 INFO L158 Benchmark]: TraceAbstraction took 983.77ms. Allocated memory is still 471.9MB. Free memory was 429.3MB in the beginning and 380.2MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. [2021-11-14 12:08:00,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 379.6MB. Free memory is still 342.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 262.62ms. Allocated memory was 379.6MB in the beginning and 471.9MB in the end (delta: 92.3MB). Free memory was 325.8MB in the beginning and 445.3MB in the end (delta: -119.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.08ms. Allocated memory is still 471.9MB. Free memory was 445.3MB in the beginning and 443.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 471.9MB. Free memory was 443.7MB in the beginning and 442.8MB in the end (delta: 861.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 274.80ms. Allocated memory is still 471.9MB. Free memory was 442.5MB in the beginning and 429.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 983.77ms. Allocated memory is still 471.9MB. Free memory was 429.3MB in the beginning and 380.2MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 193, positive: 181, positive conditional: 63, positive unconditional: 118, negative: 12, negative conditional: 9, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 63, positive unconditional: 118, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 63, positive unconditional: 118, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 51, positive unconditional: 130, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 181, positive conditional: 23, positive unconditional: 158, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 23, positive unconditional: 158, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 121, positive conditional: 1, positive unconditional: 120, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 184, positive: 60, positive conditional: 22, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 124, unknown conditional: 1, unknown unconditional: 123] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 121, Positive conditional cache size: 1, Positive unconditional cache size: 120, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 28, Maximal queried relation: 0, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 81.25ms, Number of persistent set computation: 86, Number of trivial persistent sets: 80, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 193, positive: 181, positive conditional: 63, positive unconditional: 118, negative: 12, negative conditional: 9, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 63, positive unconditional: 118, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 63, positive unconditional: 118, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 51, positive unconditional: 130, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 184, positive: 181, positive conditional: 23, positive unconditional: 158, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 181, positive conditional: 23, positive unconditional: 158, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 124, positive: 121, positive conditional: 1, positive unconditional: 120, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 124, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 184, positive: 60, positive conditional: 22, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 124, unknown conditional: 1, unknown unconditional: 123] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 121, Positive conditional cache size: 1, Positive unconditional cache size: 120, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 28, Maximal queried relation: 0, Independence queries for same thread: 9 - 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 - 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, 90 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2021-11-14 12:08:00,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 12:08:00,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...