/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:03:49,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:03:49,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:03:49,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:03:49,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:03:49,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:03:49,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:03:49,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:03:49,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:03:49,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:03:49,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:03:49,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:03:49,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:03:49,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:03:49,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:03:49,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:03:49,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:03:49,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:03:49,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:03:49,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:03:49,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:03:49,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:03:49,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:03:49,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:03:49,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:03:49,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:03:49,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:03:49,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:03:49,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:03:49,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:03:49,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:03:49,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:03:49,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:03:49,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:03:49,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:03:49,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:03:49,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:03:49,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:03:49,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:03:49,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:03:49,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:03:49,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:03:49,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:03:49,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:03:49,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:03:49,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:03:49,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:03:49,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:03:49,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:03:49,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:03:49,703 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:03:49,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:03:49,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:03:49,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:03:49,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:03:49,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:03:49,706 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:03:49,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:03:49,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:03:49,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:03:49,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:03:49,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:03:49,903 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:03:49,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2022-11-16 03:03:49,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e7d515a/c49970bf8ee54a8eb120a8d27bfbd699/FLAG54c7038e9 [2022-11-16 03:03:50,309 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:03:50,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2022-11-16 03:03:50,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e7d515a/c49970bf8ee54a8eb120a8d27bfbd699/FLAG54c7038e9 [2022-11-16 03:03:50,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e7d515a/c49970bf8ee54a8eb120a8d27bfbd699 [2022-11-16 03:03:50,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:03:50,693 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:03:50,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:03:50,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:03:50,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:03:50,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:03:50" (1/1) ... [2022-11-16 03:03:50,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646f3af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:50, skipping insertion in model container [2022-11-16 03:03:50,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:03:50" (1/1) ... [2022-11-16 03:03:50,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:03:50,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:03:50,895 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i[945,958] [2022-11-16 03:03:51,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:03:51,061 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:03:51,072 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i[945,958] [2022-11-16 03:03:51,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:03:51,131 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:03:51,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51 WrapperNode [2022-11-16 03:03:51,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:03:51,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:03:51,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:03:51,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:03:51,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,176 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-11-16 03:03:51,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:03:51,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:03:51,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:03:51,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:03:51,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,204 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:03:51,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:03:51,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:03:51,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:03:51,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (1/1) ... [2022-11-16 03:03:51,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:03:51,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:03:51,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 03:03:51,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 03:03:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:03:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 03:03:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:03:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:03:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:03:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 03:03:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 03:03:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 03:03:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 03:03:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 03:03:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 03:03:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:03:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 03:03:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:03:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:03:51,276 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:03:51,367 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:03:51,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:03:51,531 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:03:51,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:03:51,536 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 03:03:51,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:03:51 BoogieIcfgContainer [2022-11-16 03:03:51,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:03:51,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:03:51,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:03:51,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:03:51,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:03:50" (1/3) ... [2022-11-16 03:03:51,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537521dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:03:51, skipping insertion in model container [2022-11-16 03:03:51,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:03:51" (2/3) ... [2022-11-16 03:03:51,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537521dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:03:51, skipping insertion in model container [2022-11-16 03:03:51,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:03:51" (3/3) ... [2022-11-16 03:03:51,548 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2022-11-16 03:03:51,562 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:03:51,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:03:51,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:03:51,569 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:03:51,614 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 03:03:51,663 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:03:51,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:03:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:03:51,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 03:03:51,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 03:03:51,695 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:03:51,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:03:51,717 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31e373f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:03:51,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 03:03:51,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 03:03:51,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:03:51,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1178321121, now seen corresponding path program 1 times [2022-11-16 03:03:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:03:51,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779133404] [2022-11-16 03:03:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:03:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:03:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:03:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:03:52,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:03:52,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779133404] [2022-11-16 03:03:52,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779133404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:03:52,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:03:52,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 03:03:52,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913080489] [2022-11-16 03:03:52,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:03:52,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 03:03:52,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:03:52,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 03:03:52,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 03:03:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:03:52,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:03:52,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:03:52,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 03:03:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:03:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash 233069145, now seen corresponding path program 1 times [2022-11-16 03:03:52,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:03:52,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704683106] [2022-11-16 03:03:52,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:03:52,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:03:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:03:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:03:52,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:03:52,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704683106] [2022-11-16 03:03:52,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704683106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:03:52,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:03:52,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:03:52,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317838592] [2022-11-16 03:03:52,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:03:52,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:03:52,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:03:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:03:52,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:03:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:03:52,533 INFO L496 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) [2022-11-16 03:03:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:03:52,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:03:52,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 03:03:52,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:03:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1088025819, now seen corresponding path program 1 times [2022-11-16 03:03:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:03:52,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835056583] [2022-11-16 03:03:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:03:52,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:03:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:03:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:03:52,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:03:52,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835056583] [2022-11-16 03:03:52,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835056583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:03:52,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:03:52,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:03:52,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776567110] [2022-11-16 03:03:52,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:03:52,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:03:52,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:03:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:03:52,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:03:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:03:52,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:03:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:03:52,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:03:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:53,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 03:03:53,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 03:03:53,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:03:53,256 INFO L85 PathProgramCache]: Analyzing trace with hash 837801015, now seen corresponding path program 2 times [2022-11-16 03:03:53,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:03:53,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486153190] [2022-11-16 03:03:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:03:53,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:03:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:03:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:03:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:03:53,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486153190] [2022-11-16 03:03:53,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486153190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:03:53,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:03:53,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:03:53,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556255720] [2022-11-16 03:03:53,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:03:53,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:03:53,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:03:53,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:03:53,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:03:53,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:03:53,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:03:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:03:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 03:03:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:53,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 03:03:53,769 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 03:03:53,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:03:53,770 INFO L85 PathProgramCache]: Analyzing trace with hash 2046880731, now seen corresponding path program 3 times [2022-11-16 03:03:53,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:03:53,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342986728] [2022-11-16 03:03:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:03:53,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:03:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:03:53,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:03:53,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:03:53,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342986728] [2022-11-16 03:03:53,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342986728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:03:53,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:03:53,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:03:53,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541065895] [2022-11-16 03:03:53,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:03:53,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:03:53,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:03:53,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:03:53,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:03:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:03:53,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:03:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 03:03:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 03:03:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 03:03:54,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-16 03:03:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:03:54,095 INFO L85 PathProgramCache]: Analyzing trace with hash -506517253, now seen corresponding path program 4 times [2022-11-16 03:03:54,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:03:54,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883157816] [2022-11-16 03:03:54,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:03:54,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:03:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:03:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:03:54,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:03:54,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883157816] [2022-11-16 03:03:54,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883157816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:03:54,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:03:54,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:03:54,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312871458] [2022-11-16 03:03:54,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:03:54,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:03:54,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:03:54,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:03:54,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:03:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:54,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:03:54,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:03:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 03:03:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:03:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 03:03:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:03:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:03:54,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-16 03:03:54,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-16 03:03:54,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-16 03:03:54,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-16 03:03:54,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 03:03:54,480 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-11-16 03:03:54,482 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:03:54,482 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:03:54,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:03:54 BasicIcfg [2022-11-16 03:03:54,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:03:54,486 INFO L158 Benchmark]: Toolchain (without parser) took 3793.27ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 148.7MB in the beginning and 78.2MB in the end (delta: 70.5MB). Peak memory consumption was 107.2MB. Max. memory is 8.0GB. [2022-11-16 03:03:54,487 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:03:54,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.49ms. Allocated memory is still 180.4MB. Free memory was 148.4MB in the beginning and 146.5MB in the end (delta: 1.9MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. [2022-11-16 03:03:54,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.71ms. Allocated memory is still 180.4MB. Free memory was 146.4MB in the beginning and 144.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:03:54,488 INFO L158 Benchmark]: Boogie Preprocessor took 29.32ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 142.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 03:03:54,489 INFO L158 Benchmark]: RCFGBuilder took 333.87ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 129.7MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-16 03:03:54,491 INFO L158 Benchmark]: TraceAbstraction took 2942.79ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 129.0MB in the beginning and 78.2MB in the end (delta: 50.9MB). Peak memory consumption was 87.8MB. Max. memory is 8.0GB. [2022-11-16 03:03:54,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 436.49ms. Allocated memory is still 180.4MB. Free memory was 148.4MB in the beginning and 146.5MB in the end (delta: 1.9MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.71ms. Allocated memory is still 180.4MB. Free memory was 146.4MB in the beginning and 144.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.32ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 142.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 333.87ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 129.7MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2942.79ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 129.0MB in the beginning and 78.2MB in the end (delta: 50.9MB). Peak memory consumption was 87.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31816, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 1014, dependent conditional: 993, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 2338, dependent unconditional: 1073, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1286, independent: 1257, independent conditional: 10, independent unconditional: 1247, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1286, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 68, independent conditional: 17, independent unconditional: 51, dependent: 58, dependent conditional: 11, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34213, independent: 29545, independent conditional: 336, independent unconditional: 29209, dependent: 3382, dependent conditional: 246, dependent unconditional: 3136, unknown: 1286, unknown conditional: 18, unknown unconditional: 1268] , Statistics on independence cache: Total cache size (in pairs): 1286, Positive cache size: 1257, Positive conditional cache size: 10, Positive unconditional cache size: 1247, Negative cache size: 29, Negative conditional cache size: 8, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2084, Maximal queried relation: 5, Independence queries for same thread: 287 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 1554, Number of trivial persistent sets: 582, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1268, independent: 1247, independent conditional: 0, independent unconditional: 1247, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31816, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 1014, dependent conditional: 993, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 2338, dependent unconditional: 1073, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1286, independent: 1257, independent conditional: 10, independent unconditional: 1247, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1286, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 68, independent conditional: 17, independent unconditional: 51, dependent: 58, dependent conditional: 11, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34213, independent: 29545, independent conditional: 336, independent unconditional: 29209, dependent: 3382, dependent conditional: 246, dependent unconditional: 3136, unknown: 1286, unknown conditional: 18, unknown unconditional: 1268] , Statistics on independence cache: Total cache size (in pairs): 1286, Positive cache size: 1257, Positive conditional cache size: 10, Positive unconditional cache size: 1247, Negative cache size: 29, Negative conditional cache size: 8, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2084, Maximal queried relation: 5, Independence queries for same thread: 287 - PositiveResult [Line: 18]: 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 7 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 1.1s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 1067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2022-11-16 03:03:54,508 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 [2022-11-16 03:03:54,712 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...