/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:46:22,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:46:22,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:46:22,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:46:22,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:46:22,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:46:22,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:46:22,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:46:22,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:46:22,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:46:22,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:46:22,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:46:22,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:46:22,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:46:22,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:46:22,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:46:22,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:46:22,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:46:22,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:46:22,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:46:22,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:46:22,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:46:22,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:46:22,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:46:22,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:46:22,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:46:22,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:46:22,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:46:22,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:46:22,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:46:22,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:46:22,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:46:22,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:46:22,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:46:22,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:46:22,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:46:22,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:46:22,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:46:22,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:46:22,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:46:22,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:46:22,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:46:22,988 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:46:22,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:46:22,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:46:22,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:46:22,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:46:22,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:46:22,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:46:22,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:46:22,991 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:46:22,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:46:22,992 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:46:22,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:46:22,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:46:22,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:46:22,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:46:22,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:46:22,995 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:46:22,995 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:46:22,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:46:22,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:46:22,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:46:22,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:46:22,996 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:46:22,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:46:23,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:46:23,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:46:23,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:46:23,250 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:46:23,250 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:46:23,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-05-04 06:46:23,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd1dc936/b7d42675e06e4a3bac27ffbb00508f1f/FLAGb397401c2 [2023-05-04 06:46:23,648 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:46:23,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-05-04 06:46:23,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd1dc936/b7d42675e06e4a3bac27ffbb00508f1f/FLAGb397401c2 [2023-05-04 06:46:24,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd1dc936/b7d42675e06e4a3bac27ffbb00508f1f [2023-05-04 06:46:24,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:46:24,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:46:24,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:46:24,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:46:24,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:46:24,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19313bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24, skipping insertion in model container [2023-05-04 06:46:24,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:46:24,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:46:24,265 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/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2023-05-04 06:46:24,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:46:24,274 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:46:24,289 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/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2023-05-04 06:46:24,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:46:24,300 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:46:24,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24 WrapperNode [2023-05-04 06:46:24,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:46:24,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:46:24,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:46:24,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:46:24,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,329 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-05-04 06:46:24,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:46:24,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:46:24,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:46:24,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:46:24,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:46:24,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:46:24,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:46:24,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:46:24,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (1/1) ... [2023-05-04 06:46:24,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:46:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:24,388 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) [2023-05-04 06:46:24,407 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 [2023-05-04 06:46:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:46:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:46:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:46:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:46:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:46:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:46:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:46:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:46:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:46:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:46:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:46:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:46:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:46:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:46:24,436 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 06:46:24,502 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:46:24,503 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:46:24,630 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:46:24,671 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:46:24,671 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 06:46:24,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:46:24 BoogieIcfgContainer [2023-05-04 06:46:24,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:46:24,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:46:24,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:46:24,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:46:24,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:46:24" (1/3) ... [2023-05-04 06:46:24,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553e2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:46:24, skipping insertion in model container [2023-05-04 06:46:24,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:24" (2/3) ... [2023-05-04 06:46:24,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553e2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:46:24, skipping insertion in model container [2023-05-04 06:46:24,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:46:24" (3/3) ... [2023-05-04 06:46:24,710 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2023-05-04 06:46:24,717 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:46:24,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:46:24,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:46:24,733 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:46:24,828 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 06:46:24,867 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:46:24,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:46:24,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:24,869 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) [2023-05-04 06:46:24,871 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 [2023-05-04 06:46:24,901 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:46:24,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:46:24,923 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;@3e8e45d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:46:24,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 06:46:25,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:25,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:25,038 INFO L85 PathProgramCache]: Analyzing trace with hash -82253630, now seen corresponding path program 1 times [2023-05-04 06:46:25,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:25,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913967494] [2023-05-04 06:46:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:25,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:25,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:25,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913967494] [2023-05-04 06:46:25,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913967494] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:46:25,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:46:25,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:46:25,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698967679] [2023-05-04 06:46:25,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:46:25,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:46:25,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:25,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:46:25,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:46:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:25,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:25,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:46:25,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:25,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:46:25,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:25,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:25,374 INFO L85 PathProgramCache]: Analyzing trace with hash -511523949, now seen corresponding path program 1 times [2023-05-04 06:46:25,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:25,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507531972] [2023-05-04 06:46:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:25,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:25,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:25,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507531972] [2023-05-04 06:46:25,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507531972] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:46:25,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:46:25,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:46:25,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465605931] [2023-05-04 06:46:25,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:46:25,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:46:25,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:25,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:46:25,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:46:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:25,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:25,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:46:25,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:25,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:26,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:46:26,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:26,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1536303307, now seen corresponding path program 1 times [2023-05-04 06:46:26,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:26,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002202411] [2023-05-04 06:46:26,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:26,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:26,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:26,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002202411] [2023-05-04 06:46:26,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002202411] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:26,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801545065] [2023-05-04 06:46:26,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:26,177 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) [2023-05-04 06:46:26,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 06:46:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:26,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 06:46:26,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:26,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:26,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801545065] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:26,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 06:46:26,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2023-05-04 06:46:26,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137486486] [2023-05-04 06:46:26,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:46:26,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 06:46:26,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:26,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 06:46:26,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-05-04 06:46:26,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:26,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:26,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:46:26,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:26,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:26,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:26,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:26,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:26,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:26,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 06:46:26,782 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 [2023-05-04 06:46:26,783 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:26,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash 52564439, now seen corresponding path program 1 times [2023-05-04 06:46:26,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:26,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152582715] [2023-05-04 06:46:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:26,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:27,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:27,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152582715] [2023-05-04 06:46:27,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152582715] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:27,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160356992] [2023-05-04 06:46:27,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:27,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:27,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:27,251 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) [2023-05-04 06:46:27,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 06:46:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:27,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 06:46:27,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:27,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:28,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160356992] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:28,065 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:28,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 20 [2023-05-04 06:46:28,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46827541] [2023-05-04 06:46:28,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:28,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 06:46:28,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:28,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 06:46:28,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2023-05-04 06:46:28,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:28,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:28,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.95) internal successors, (139), 20 states have internal predecessors, (139), 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) [2023-05-04 06:46:28,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:28,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:28,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:28,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:28,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:28,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 06:46:28,641 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 [2023-05-04 06:46:28,641 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:28,642 INFO L85 PathProgramCache]: Analyzing trace with hash 613693925, now seen corresponding path program 2 times [2023-05-04 06:46:28,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:28,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134318072] [2023-05-04 06:46:28,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:28,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:28,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:28,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134318072] [2023-05-04 06:46:28,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134318072] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:28,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091231073] [2023-05-04 06:46:28,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:46:28,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:28,995 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) [2023-05-04 06:46:29,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 06:46:29,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:46:29,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:29,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 06:46:29,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:29,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:29,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091231073] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:29,404 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:29,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 11] total 20 [2023-05-04 06:46:29,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357135596] [2023-05-04 06:46:29,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:29,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 06:46:29,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:29,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 06:46:29,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2023-05-04 06:46:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:29,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:29,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.1) internal successors, (122), 20 states have internal predecessors, (122), 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) [2023-05-04 06:46:29,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:29,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:29,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:29,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:29,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:46:30,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 06:46:30,260 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 [2023-05-04 06:46:30,261 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:30,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:30,262 INFO L85 PathProgramCache]: Analyzing trace with hash 164277635, now seen corresponding path program 3 times [2023-05-04 06:46:30,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:30,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128906524] [2023-05-04 06:46:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:30,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:30,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:30,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128906524] [2023-05-04 06:46:30,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128906524] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:30,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657657319] [2023-05-04 06:46:30,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:46:30,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:30,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:30,933 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) [2023-05-04 06:46:30,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 06:46:31,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:46:31,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:31,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 06:46:31,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:31,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:31,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657657319] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:31,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:31,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 9] total 22 [2023-05-04 06:46:31,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907595418] [2023-05-04 06:46:31,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:31,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 06:46:31,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:31,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 06:46:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2023-05-04 06:46:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:31,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:31,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.318181818181818) internal successors, (139), 22 states have internal predecessors, (139), 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) [2023-05-04 06:46:31,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:31,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:31,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:31,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:31,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:46:31,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:46:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:46:32,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 06:46:32,507 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 [2023-05-04 06:46:32,507 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:32,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1547850315, now seen corresponding path program 4 times [2023-05-04 06:46:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:32,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408653002] [2023-05-04 06:46:32,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 06:46:33,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:33,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408653002] [2023-05-04 06:46:33,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408653002] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:33,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653451243] [2023-05-04 06:46:33,185 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:46:33,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:33,187 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) [2023-05-04 06:46:33,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 06:46:33,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:46:33,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:33,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 06:46:33,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 06:46:33,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 06:46:34,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653451243] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:34,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:34,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2023-05-04 06:46:34,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782860567] [2023-05-04 06:46:34,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:34,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-04 06:46:34,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-04 06:46:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=799, Unknown=0, NotChecked=0, Total=930 [2023-05-04 06:46:34,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:34,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:34,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.387096774193548) internal successors, (136), 31 states have internal predecessors, (136), 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) [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:46:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 06:46:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:46:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:46:36,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 06:46:36,317 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 [2023-05-04 06:46:36,318 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:36,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash 848224475, now seen corresponding path program 5 times [2023-05-04 06:46:36,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:36,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125606699] [2023-05-04 06:46:36,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:36,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:38,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:38,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125606699] [2023-05-04 06:46:38,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125606699] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:38,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971843146] [2023-05-04 06:46:38,028 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:46:38,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:38,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:38,030 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) [2023-05-04 06:46:38,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 06:46:38,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 06:46:38,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:38,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-04 06:46:38,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:39,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:43,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971843146] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:43,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:43,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 50 [2023-05-04 06:46:43,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131355942] [2023-05-04 06:46:43,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:43,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 06:46:43,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:43,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 06:46:43,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=2116, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 06:46:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:43,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:43,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.66) internal successors, (183), 50 states have internal predecessors, (183), 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) [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:46:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:56,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 06:46:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:46:56,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 06:46:56,482 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 [2023-05-04 06:46:56,483 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:46:56,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:56,483 INFO L85 PathProgramCache]: Analyzing trace with hash -100481051, now seen corresponding path program 6 times [2023-05-04 06:46:56,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:56,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096314349] [2023-05-04 06:46:56,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:56,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:46:58,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:58,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096314349] [2023-05-04 06:46:58,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096314349] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:58,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022493472] [2023-05-04 06:46:58,423 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:46:58,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:58,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:58,429 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) [2023-05-04 06:46:58,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 06:46:58,534 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-04 06:46:58,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:58,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 06:46:58,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:47:00,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:47:55,904 WARN L233 SmtUtils]: Spent 30.96s on a formula simplification. DAG size of input: 69 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:47:59,966 WARN L833 $PredicateComparison]: unable to prove that (or (not (< 0 (mod c_~counter~0 4294967296))) (let ((.cse7 (* 4294967295 c_~counter~0)) (.cse8 (* 2 c_~counter~0)) (.cse3 (mod c_thread1Thread1of1ForFork0_~i~0 4294967296))) (and (forall ((aux_div_aux_mod_aux_mod_~M~0_21_32_84 Int)) (let ((.cse0 (* aux_div_aux_mod_aux_mod_~M~0_21_32_84 4294967296))) (or (<= c_thread1Thread1of1ForFork0_~i~0 (+ 4294967292 .cse0)) (forall ((aux_div_aux_mod_~M~0_21_32 Int) (aux_mod_aux_mod_aux_mod_~M~0_21_32_84 Int)) (let ((.cse1 (+ .cse0 aux_mod_aux_mod_aux_mod_~M~0_21_32_84 4294967293)) (.cse2 (* 4294967296 aux_div_aux_mod_~M~0_21_32))) (or (<= .cse1 c_thread1Thread1of1ForFork0_~i~0) (<= (+ 3 c_thread1Thread1of1ForFork0_~i~0 .cse2) (+ .cse0 aux_mod_aux_mod_aux_mod_~M~0_21_32_84 .cse3)) (>= aux_mod_aux_mod_aux_mod_~M~0_21_32_84 4294967296) (< 4 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0 (* 4294967295 aux_mod_aux_mod_aux_mod_~M~0_21_32_84)) 4294967296)) (<= .cse1 (+ c_thread1Thread1of1ForFork0_~i~0 .cse2)))))))) (or (forall ((aux_div_aux_mod_aux_mod_~M~0_21_32_84 Int) (aux_div_aux_mod_~M~0_21_32 Int) (aux_mod_aux_mod_aux_mod_~M~0_21_32_84 Int)) (let ((.cse6 (* aux_div_aux_mod_aux_mod_~M~0_21_32_84 4294967296))) (let ((.cse4 (+ .cse6 aux_mod_aux_mod_aux_mod_~M~0_21_32_84 4294967293)) (.cse5 (* 4294967296 aux_div_aux_mod_~M~0_21_32))) (or (<= .cse4 c_thread1Thread1of1ForFork0_~i~0) (<= (+ 3 c_thread1Thread1of1ForFork0_~i~0 .cse5) (+ .cse6 aux_mod_aux_mod_aux_mod_~M~0_21_32_84 .cse3)) (<= c_thread1Thread1of1ForFork0_~i~0 (+ 4294967292 .cse6)) (>= aux_mod_aux_mod_aux_mod_~M~0_21_32_84 4294967296) (< 5 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0 (* 4294967295 aux_mod_aux_mod_aux_mod_~M~0_21_32_84)) 4294967296)) (<= .cse4 (+ c_thread1Thread1of1ForFork0_~i~0 .cse5)))))) (forall ((aux_mod_~C~0_36 Int)) (or (<= aux_mod_~C~0_36 0) (<= (mod (+ .cse7 (* 2 aux_mod_~C~0_36)) 4294967296) 0) (<= 4294967296 aux_mod_~C~0_36) (not (< 0 (mod (+ .cse8 (* 4294967295 aux_mod_~C~0_36)) 4294967296)))))) (or (forall ((aux_mod_~C~0_36 Int)) (or (<= aux_mod_~C~0_36 0) (<= (mod (+ .cse7 (* 2 aux_mod_~C~0_36)) 4294967296) 0) (<= 4294967296 aux_mod_~C~0_36) (not (< 0 (mod (+ (* 3 c_~counter~0) (* 4294967294 aux_mod_~C~0_36)) 4294967296))) (not (< 0 (mod (+ .cse8 (* 4294967295 aux_mod_~C~0_36)) 4294967296))))) (forall ((aux_div_aux_mod_aux_mod_~M~0_21_32_84 Int) (aux_div_aux_mod_~M~0_21_32 Int) (aux_mod_aux_mod_aux_mod_~M~0_21_32_84 Int)) (let ((.cse11 (* aux_div_aux_mod_aux_mod_~M~0_21_32_84 4294967296))) (let ((.cse9 (+ .cse11 aux_mod_aux_mod_aux_mod_~M~0_21_32_84 4294967293)) (.cse10 (* 4294967296 aux_div_aux_mod_~M~0_21_32))) (or (<= .cse9 c_thread1Thread1of1ForFork0_~i~0) (<= (+ 3 c_thread1Thread1of1ForFork0_~i~0 .cse10) (+ .cse11 aux_mod_aux_mod_aux_mod_~M~0_21_32_84 .cse3)) (<= c_thread1Thread1of1ForFork0_~i~0 (+ 4294967292 .cse11)) (>= aux_mod_aux_mod_aux_mod_~M~0_21_32_84 4294967296) (< 6 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0 (* 4294967295 aux_mod_aux_mod_aux_mod_~M~0_21_32_84)) 4294967296)) (<= .cse9 (+ c_thread1Thread1of1ForFork0_~i~0 .cse10)))))))))) is different from false [2023-05-04 06:48:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-05-04 06:48:00,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022493472] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:48:00,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:48:00,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 25] total 62 [2023-05-04 06:48:00,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679369053] [2023-05-04 06:48:00,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:48:00,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-05-04 06:48:00,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:48:00,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-05-04 06:48:00,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=3207, Unknown=4, NotChecked=118, Total=3782 [2023-05-04 06:48:00,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:48:00,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:48:00,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.129032258064516) internal successors, (194), 62 states have internal predecessors, (194), 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) [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:48:00,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:48:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:48:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:48:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 06:48:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 06:48:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:48:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 06:48:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:48:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 06:48:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 06:48:33,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 06:48:33,514 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 [2023-05-04 06:48:33,514 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:48:33,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:48:33,515 INFO L85 PathProgramCache]: Analyzing trace with hash 473473299, now seen corresponding path program 7 times [2023-05-04 06:48:33,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:48:33,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457788117] [2023-05-04 06:48:33,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:48:33,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:48:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:50:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 65 proven. 152 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-04 06:50:28,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:50:28,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457788117] [2023-05-04 06:50:28,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457788117] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:50:28,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176819585] [2023-05-04 06:50:28,853 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:50:28,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:50:28,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:50:28,855 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:50:28,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 06:50:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:50:28,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-04 06:50:28,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:51:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 72 proven. 156 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 06:51:21,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:53:19,974 WARN L233 SmtUtils]: Spent 49.83s on a formula simplification that was a NOOP. DAG size: 10497 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-04 07:00:36,625 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 [2023-05-04 07:00:36,625 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 [2023-05-04 07:00:36,625 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:00:37,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-04 07:00:37,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 07:00:37,837 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-04 07:00:37,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown