/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.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 11:19:53,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 11:19:53,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 11:19:54,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 11:19:54,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 11:19:54,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 11:19:54,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 11:19:54,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 11:19:54,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 11:19:54,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 11:19:54,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 11:19:54,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 11:19:54,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 11:19:54,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 11:19:54,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 11:19:54,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 11:19:54,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 11:19:54,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 11:19:54,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 11:19:54,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 11:19:54,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 11:19:54,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 11:19:54,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 11:19:54,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 11:19:54,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 11:19:54,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 11:19:54,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 11:19:54,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 11:19:54,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 11:19:54,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 11:19:54,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 11:19:54,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 11:19:54,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 11:19:54,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 11:19:54,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 11:19:54,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 11:19:54,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 11:19:54,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 11:19:54,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 11:19:54,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 11:19:54,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 11:19:54,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 11:19:54,091 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 11:19:54,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 11:19:54,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 11:19:54,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 11:19:54,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 11:19:54,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 11:19:54,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 11:19:54,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 11:19:54,093 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 11:19:54,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 11:19:54,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 11:19:54,095 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 11:19:54,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 11:19:54,095 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 11:19:54,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 11:19:54,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 11:19:54,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 11:19:54,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 11:19:54,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 11:19:54,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:19:54,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 11:19:54,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 11:19:54,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 11:19:54,096 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 11:19:54,096 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 11:19:54,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 11:19:54,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 11:19:54,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 11:19:54,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 11:19:54,097 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 11:19:54,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 11:19:54,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 11:19:54,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 11:19:54,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 11:19:54,306 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 11:19:54,306 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 11:19:54,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2023-05-20 11:19:54,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d88874a/0bc197d5e38f4a14bb266b40c76029b9/FLAG7ed4d5704 [2023-05-20 11:19:54,722 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 11:19:54,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2023-05-20 11:19:54,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d88874a/0bc197d5e38f4a14bb266b40c76029b9/FLAG7ed4d5704 [2023-05-20 11:19:55,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64d88874a/0bc197d5e38f4a14bb266b40c76029b9 [2023-05-20 11:19:55,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 11:19:55,141 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 11:19:55,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 11:19:55,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 11:19:55,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 11:19:55,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662375b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55, skipping insertion in model container [2023-05-20 11:19:55,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 11:19:55,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 11:19:55,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3642,3655] [2023-05-20 11:19:55,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:19:55,412 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 11:19:55,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3642,3655] [2023-05-20 11:19:55,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:19:55,465 INFO L208 MainTranslator]: Completed translation [2023-05-20 11:19:55,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55 WrapperNode [2023-05-20 11:19:55,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 11:19:55,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 11:19:55,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 11:19:55,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 11:19:55,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,506 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 297 [2023-05-20 11:19:55,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 11:19:55,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 11:19:55,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 11:19:55,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 11:19:55,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 11:19:55,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 11:19:55,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 11:19:55,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 11:19:55,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (1/1) ... [2023-05-20 11:19:55,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:19:55,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:19:55,563 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) [2023-05-20 11:19:55,578 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 [2023-05-20 11:19:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 11:19:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 11:19:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 11:19:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 11:19:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 11:19:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 11:19:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 11:19:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 11:19:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 11:19:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 11:19:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 11:19:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 11:19:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 11:19:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 11:19:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 11:19:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 11:19:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 11:19:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 11:19:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 11:19:55,603 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 11:19:55,693 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 11:19:55,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 11:19:56,148 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 11:19:56,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 11:19:56,341 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 11:19:56,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:19:56 BoogieIcfgContainer [2023-05-20 11:19:56,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 11:19:56,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 11:19:56,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 11:19:56,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 11:19:56,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 11:19:55" (1/3) ... [2023-05-20 11:19:56,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f3b21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:19:56, skipping insertion in model container [2023-05-20 11:19:56,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:19:55" (2/3) ... [2023-05-20 11:19:56,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f3b21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:19:56, skipping insertion in model container [2023-05-20 11:19:56,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:19:56" (3/3) ... [2023-05-20 11:19:56,357 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2023-05-20 11:19:56,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 11:19:56,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 11:19:56,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 11:19:56,371 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 11:19:56,489 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 11:19:56,526 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:19:56,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 11:19:56,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:19:56,529 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) [2023-05-20 11:19:56,553 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 [2023-05-20 11:19:56,574 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 11:19:56,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 11:19:56,597 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;@4d538fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:19:56,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 11:19:56,902 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 2 more)] === [2023-05-20 11:19:56,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:19:56,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1063990695, now seen corresponding path program 1 times [2023-05-20 11:19:56,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:19:56,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84547492] [2023-05-20 11:19:56,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:19:56,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:19:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:19:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-05-20 11:19:57,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:19:57,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84547492] [2023-05-20 11:19:57,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84547492] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:19:57,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 11:19:57,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 11:19:57,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928843440] [2023-05-20 11:19:57,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:19:57,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 11:19:57,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:19:57,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 11:19:57,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 11:19:57,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:57,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:19:57,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 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) [2023-05-20 11:19:57,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:57,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 11:19:57,355 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 2 more)] === [2023-05-20 11:19:57,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:19:57,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1566697489, now seen corresponding path program 1 times [2023-05-20 11:19:57,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:19:57,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284988926] [2023-05-20 11:19:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:19:57,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:19:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:19:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 11:19:58,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:19:58,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284988926] [2023-05-20 11:19:58,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284988926] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:19:58,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 11:19:58,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-20 11:19:58,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197481560] [2023-05-20 11:19:58,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:19:58,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 11:19:58,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:19:58,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 11:19:58,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-05-20 11:19:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:58,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:19:58,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 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) [2023-05-20 11:19:58,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:58,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:58,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:19:58,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:19:58,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 11:19:58,626 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 2 more)] === [2023-05-20 11:19:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:19:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1710118377, now seen corresponding path program 2 times [2023-05-20 11:19:58,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:19:58,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008165996] [2023-05-20 11:19:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:19:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:19:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:19:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 58 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 11:19:59,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:19:59,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008165996] [2023-05-20 11:19:59,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008165996] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:19:59,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108322627] [2023-05-20 11:19:59,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 11:19:59,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:19:59,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:19:59,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:19:59,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 11:19:59,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 11:19:59,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:19:59,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 11:19:59,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-05-20 11:20:00,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-05-20 11:20:00,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108322627] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:00,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 11:20:00,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 11] total 30 [2023-05-20 11:20:00,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585156951] [2023-05-20 11:20:00,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:20:00,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 11:20:00,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:20:00,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 11:20:00,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2023-05-20 11:20:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:00,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:20:00,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 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) [2023-05-20 11:20:00,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:00,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:20:00,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:20:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:00,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 11:20:01,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 11:20:01,038 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 2 more)] === [2023-05-20 11:20:01,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:20:01,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1791164306, now seen corresponding path program 1 times [2023-05-20 11:20:01,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:20:01,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26867424] [2023-05-20 11:20:01,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:01,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:20:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 58 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-20 11:20:01,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:20:01,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26867424] [2023-05-20 11:20:01,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26867424] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:01,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592832904] [2023-05-20 11:20:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:01,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:01,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:20:01,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:20:01,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 11:20:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:01,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 11:20:01,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 36 proven. 75 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 11:20:02,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 47 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-20 11:20:02,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592832904] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:20:02,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:20:02,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 18, 12] total 27 [2023-05-20 11:20:02,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800596915] [2023-05-20 11:20:02,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:20:02,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-20 11:20:02,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:20:02,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-20 11:20:02,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2023-05-20 11:20:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:02,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:20:02,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 11.25925925925926) internal successors, (304), 27 states have internal predecessors, (304), 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) [2023-05-20 11:20:02,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:02,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 11:20:02,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:02,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:03,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 11:20:03,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:03,397 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 2 more)] === [2023-05-20 11:20:03,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:20:03,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2076381138, now seen corresponding path program 2 times [2023-05-20 11:20:03,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:20:03,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207535688] [2023-05-20 11:20:03,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:20:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 11:20:04,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:20:04,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207535688] [2023-05-20 11:20:04,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207535688] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:04,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537884023] [2023-05-20 11:20:04,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 11:20:04,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:04,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:20:04,143 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:20:04,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 11:20:04,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 11:20:04,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:20:04,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 11:20:04,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:04,775 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 59 proven. 53 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 11:20:04,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 11:20:05,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537884023] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:20:05,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:20:05,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 39 [2023-05-20 11:20:05,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650094918] [2023-05-20 11:20:05,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:20:05,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-20 11:20:05,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:20:05,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-20 11:20:05,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1209, Unknown=0, NotChecked=0, Total=1482 [2023-05-20 11:20:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:05,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:20:05,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 10.256410256410257) internal successors, (400), 39 states have internal predecessors, (400), 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) [2023-05-20 11:20:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:05,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:05,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:05,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 11:20:05,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:05,938 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 2 more)] === [2023-05-20 11:20:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:20:05,939 INFO L85 PathProgramCache]: Analyzing trace with hash -2060336050, now seen corresponding path program 3 times [2023-05-20 11:20:05,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:20:05,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668519546] [2023-05-20 11:20:05,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:20:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 99 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 11:20:06,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:20:06,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668519546] [2023-05-20 11:20:06,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668519546] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:06,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580709457] [2023-05-20 11:20:06,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 11:20:06,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:20:06,821 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:20:06,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 11:20:07,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-20 11:20:07,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:20:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 11:20:07,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 57 proven. 60 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 11:20:07,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 93 proven. 24 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 11:20:08,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580709457] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:20:08,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:20:08,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 41 [2023-05-20 11:20:08,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207403864] [2023-05-20 11:20:08,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:20:08,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-20 11:20:08,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:20:08,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-20 11:20:08,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1355, Unknown=0, NotChecked=0, Total=1640 [2023-05-20 11:20:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:08,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:20:08,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 8.536585365853659) internal successors, (350), 41 states have internal predecessors, (350), 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) [2023-05-20 11:20:08,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:08,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:08,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:08,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:08,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:08,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 11:20:08,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 11:20:08,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:08,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 11:20:08,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:20:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2026562875, now seen corresponding path program 4 times [2023-05-20 11:20:08,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:20:08,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312740250] [2023-05-20 11:20:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:08,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:20:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 69 proven. 46 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 11:20:09,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:20:09,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312740250] [2023-05-20 11:20:09,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312740250] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:09,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339194735] [2023-05-20 11:20:09,721 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 11:20:09,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:09,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:20:09,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:20:09,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 11:20:09,867 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 11:20:09,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:20:09,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-20 11:20:09,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 60 proven. 55 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 11:20:10,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 69 proven. 46 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 11:20:10,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339194735] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:20:10,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:20:10,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 48 [2023-05-20 11:20:10,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401086093] [2023-05-20 11:20:10,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:20:10,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 11:20:10,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:20:10,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 11:20:10,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=1869, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 11:20:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:10,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:20:10,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.104166666666667) internal successors, (341), 48 states have internal predecessors, (341), 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) [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 11:20:10,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 11:20:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 11:20:11,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 11:20:11,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:11,717 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 11:20:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:20:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1164910482, now seen corresponding path program 5 times [2023-05-20 11:20:11,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:20:11,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356286510] [2023-05-20 11:20:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:11,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:20:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 94 proven. 75 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-05-20 11:20:12,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:20:12,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356286510] [2023-05-20 11:20:12,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356286510] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:12,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927121152] [2023-05-20 11:20:12,649 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 11:20:12,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:12,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:20:12,650 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:20:12,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 11:20:12,888 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-20 11:20:12,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:20:12,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-20 11:20:12,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 96 proven. 90 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 11:20:13,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:14,175 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 111 proven. 75 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 11:20:14,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927121152] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 11:20:14,175 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 11:20:14,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 59 [2023-05-20 11:20:14,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181065122] [2023-05-20 11:20:14,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 11:20:14,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-20 11:20:14,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:20:14,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-20 11:20:14,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=2819, Unknown=0, NotChecked=0, Total=3422 [2023-05-20 11:20:14,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:14,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:20:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.47457627118644) internal successors, (441), 59 states have internal predecessors, (441), 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) [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 11:20:14,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:20:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 11:20:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 11:20:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 11:20:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 11:20:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 11:20:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 11:20:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 11:20:15,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 11:20:15,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:15,204 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 11:20:15,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:20:15,205 INFO L85 PathProgramCache]: Analyzing trace with hash -658750322, now seen corresponding path program 6 times [2023-05-20 11:20:15,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:20:15,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002904962] [2023-05-20 11:20:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:20:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:20:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:20:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 11:20:23,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:20:23,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002904962] [2023-05-20 11:20:23,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002904962] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:20:23,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565209899] [2023-05-20 11:20:23,800 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 11:20:23,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:20:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:20:23,801 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:20:23,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 11:20:24,488 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-20 11:20:24,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 11:20:24,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 261 conjunts are in the unsatisfiable core [2023-05-20 11:20:24,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:20:26,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 11:20:27,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 11:20:27,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 11:20:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:20:28,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2023-05-20 11:20:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 11:20:28,902 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2023-05-20 11:20:31,600 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:20:31,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 101 treesize of output 537 [2023-05-20 11:20:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:20:54,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:20:57,410 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_378 (Array Int Int))) (= (+ c_~t21~0 c_~s1~0 (select (select |c_#memory_int| c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i1~0 4)))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 12) .cse1 c_~x~0.offset)) c_~s2~0 (select .cse0 (+ (- 20) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 16) .cse1 c_~x~0.offset)))))) is different from false [2023-05-20 11:20:57,673 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) c_~s1~0 (select .cse0 (+ c_~x~0.offset 4 .cse1)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 c_~x~0.offset)) c_~s2~0 (select .cse3 (+ (- 20) .cse4 c_~x~0.offset)) (select .cse3 (+ (- 12) .cse4 c_~x~0.offset))))))) is different from false [2023-05-20 11:20:57,689 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) c_~t21~0 c_~s1~0 (select .cse0 (+ c_~x~0.offset 4 .cse1)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 c_~x~0.offset)) c_~s2~0 (select .cse3 (+ (- 20) .cse4 c_~x~0.offset)) (select .cse3 (+ (- 12) .cse4 c_~x~0.offset))))))) is different from false [2023-05-20 11:20:57,700 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) c_~s1~0 (select (select |c_#memory_int| c_~x~0.base) (+ c_~x~0.offset 4 .cse1)) (select .cse0 (+ 12 c_~x~0.offset .cse1)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 c_~x~0.offset)) c_~s2~0 (select .cse3 (+ (- 20) .cse4 c_~x~0.offset)) (select .cse3 (+ (- 12) .cse4 c_~x~0.offset))))))) is different from false [2023-05-20 11:20:57,734 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 20) .cse1 c_~x~0.offset)) c_~s2~0 (select .cse0 (+ (- 16) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 12) .cse1 c_~x~0.offset)))) (let ((.cse3 (select .cse2 c_~x~0.base)) (.cse4 (* c_~i1~0 4))) (+ (select .cse3 (+ 8 c_~x~0.offset .cse4)) c_~s1~0 (select .cse3 (+ 12 c_~x~0.offset .cse4)) (select (select .cse5 c_~x~0.base) (+ c_~x~0.offset 4 .cse4)))))))) is different from false [2023-05-20 11:20:57,787 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse3 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse3 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) (select .cse0 (+ 12 c_~x~0.offset .cse1)) c_~s1~0 (select (select .cse2 c_~x~0.base) (+ c_~x~0.offset 4 .cse1)))) (let ((.cse4 (select (store .cse3 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse5 (* c_~n~0 4))) (+ (select .cse4 (+ (- 12) .cse5 c_~x~0.offset)) c_~s2~0 (select .cse4 (+ (- 20) .cse5 c_~x~0.offset)) (select .cse4 (+ (- 16) .cse5 c_~x~0.offset)))))))) is different from false [2023-05-20 11:20:58,456 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 12) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 20) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 16) .cse1 c_~x~0.offset)))) (let ((.cse3 (select .cse2 c_~x~0.base))) (+ (select .cse3 (+ 12 c_~x~0.offset)) (select .cse3 (+ 8 c_~x~0.offset)) (select (select .cse4 c_~x~0.base) (+ c_~x~0.offset 4)))))))) is different from false [2023-05-20 11:20:58,474 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) |c_ULTIMATE.start_main_#t~ret26#1.base|)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| (- 16) .cse1)) (select .cse0 (+ (- 20) |c_ULTIMATE.start_main_#t~ret26#1.offset| .cse1)) (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| (- 12) .cse1)))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_#t~ret26#1.base|))) (+ (select .cse3 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 8)) (select (select .cse4 |c_ULTIMATE.start_main_#t~ret26#1.base|) (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 4)) (select .cse3 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 12)))))))) is different from false [2023-05-20 11:20:58,486 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 20) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse1)) (select .cse0 (+ (- 16) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse1)) (select .cse0 (+ (- 12) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse1)))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (+ (select .cse3 (+ 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse3 (+ 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))))))) is different from false [2023-05-20 11:20:58,493 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (+ (select .cse0 (+ 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse3 (+ (- 12) .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse3 (+ (- 20) .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))))))) is different from false [2023-05-20 11:20:59,148 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:20:59,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 186 treesize of output 127 [2023-05-20 11:20:59,244 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:20:59,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 437238 treesize of output 398928 [2023-05-20 11:20:59,875 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:20:59,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 398838 treesize of output 344656 [2023-05-20 11:21:00,610 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:21:00,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 344566 treesize of output 317520 [2023-05-20 11:21:01,242 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:21:01,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 317430 treesize of output 241714 [2023-05-20 11:21:01,846 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 11:21:01,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 241654 treesize of output 155638 Received shutdown request... [2023-05-20 11:34:09,726 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-20 11:34:09,728 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 11:34:09,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 11:34:09,747 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 11:34:09,747 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 11:34:09,747 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 11:34:09,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-20 11:34:09,933 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2023-05-20 11:34:09,935 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 11:34:09,935 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 11:34:09,935 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 11:34:09,935 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 11:34:09,939 INFO L444 BasicCegarLoop]: Path program histogram: [6, 2, 1] [2023-05-20 11:34:09,942 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 11:34:09,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 11:34:09,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 11:34:09 BasicIcfg [2023-05-20 11:34:09,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 11:34:09,945 INFO L158 Benchmark]: Toolchain (without parser) took 854803.46ms. Allocated memory was 224.4MB in the beginning and 933.2MB in the end (delta: 708.8MB). Free memory was 193.3MB in the beginning and 871.9MB in the end (delta: -678.6MB). Peak memory consumption was 589.6MB. Max. memory is 8.0GB. [2023-05-20 11:34:09,945 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 224.4MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 11:34:09,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.28ms. Allocated memory was 224.4MB in the beginning and 297.8MB in the end (delta: 73.4MB). Free memory was 193.0MB in the beginning and 263.3MB in the end (delta: -70.3MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2023-05-20 11:34:09,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 297.8MB. Free memory was 263.3MB in the beginning and 260.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 11:34:09,946 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 297.8MB. Free memory was 260.8MB in the beginning and 258.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 11:34:09,946 INFO L158 Benchmark]: RCFGBuilder took 807.78ms. Allocated memory is still 297.8MB. Free memory was 258.7MB in the beginning and 210.8MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-05-20 11:34:09,947 INFO L158 Benchmark]: TraceAbstraction took 853596.91ms. Allocated memory was 297.8MB in the beginning and 933.2MB in the end (delta: 635.4MB). Free memory was 209.8MB in the beginning and 871.9MB in the end (delta: -662.1MB). Peak memory consumption was 533.4MB. Max. memory is 8.0GB. [2023-05-20 11:34:09,948 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 224.4MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 323.28ms. Allocated memory was 224.4MB in the beginning and 297.8MB in the end (delta: 73.4MB). Free memory was 193.0MB in the beginning and 263.3MB in the end (delta: -70.3MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 297.8MB. Free memory was 263.3MB in the beginning and 260.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 297.8MB. Free memory was 260.8MB in the beginning and 258.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 807.78ms. Allocated memory is still 297.8MB. Free memory was 258.7MB in the beginning and 210.8MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * TraceAbstraction took 853596.91ms. Allocated memory was 297.8MB in the beginning and 933.2MB in the end (delta: 635.4MB). Free memory was 209.8MB in the beginning and 871.9MB in the end (delta: -662.1MB). Peak memory consumption was 533.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5465, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 390, dependent conditional: 365, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 29, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 155, dependent conditional: 21, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5138, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 31, dependent conditional: 21, dependent unconditional: 10, unknown: 2699, unknown conditional: 7, unknown unconditional: 2692] , Statistics on independence cache: Total cache size (in pairs): 2699, Positive cache size: 2667, Positive conditional cache size: 0, Positive unconditional cache size: 2667, Negative cache size: 32, Negative conditional cache size: 7, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 7, Independence queries for same thread: 356 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 233, Number of trivial persistent sets: 195, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2955, independent: 2930, independent conditional: 0, independent unconditional: 2930, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5465, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 390, dependent conditional: 365, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 29, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 155, dependent conditional: 21, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5138, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 31, dependent conditional: 21, dependent unconditional: 10, unknown: 2699, unknown conditional: 7, unknown unconditional: 2692] , Statistics on independence cache: Total cache size (in pairs): 2699, Positive cache size: 2667, Positive conditional cache size: 0, Positive unconditional cache size: 2667, Negative cache size: 32, Negative conditional cache size: 7, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 7, Independence queries for same thread: 356 - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 228 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 853.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 4.0s, 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: 169, 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: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 2934 NumberOfCodeBlocks, 2864 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4198 ConstructedInterpolants, 0 QuantifiedInterpolants, 14682 SizeOfPredicates, 123 NumberOfNonLiveVariables, 4092 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 2078/2835 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown