/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 05:37:01,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 05:37:01,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 05:37:01,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 05:37:01,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 05:37:01,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 05:37:01,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 05:37:01,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 05:37:01,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 05:37:01,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 05:37:01,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 05:37:01,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 05:37:01,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 05:37:01,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 05:37:01,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 05:37:01,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 05:37:01,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 05:37:01,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 05:37:01,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 05:37:01,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 05:37:01,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 05:37:01,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 05:37:01,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 05:37:01,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 05:37:01,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 05:37:01,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 05:37:01,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 05:37:01,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 05:37:01,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 05:37:01,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 05:37:01,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 05:37:01,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 05:37:01,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 05:37:01,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 05:37:01,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 05:37:01,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 05:37:01,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 05:37:01,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 05:37:01,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 05:37:01,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 05:37:01,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 05:37:01,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 05:37:01,960 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 05:37:01,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 05:37:01,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 05:37:01,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 05:37:01,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 05:37:01,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 05:37:01,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 05:37:01,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 05:37:01,962 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 05:37:01,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 05:37:01,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 05:37:01,964 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 05:37:01,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 05:37:01,964 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 05:37:01,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 05:37:01,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 05:37:01,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 05:37:01,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 05:37:01,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 05:37:01,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 05:37:01,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 05:37:01,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 05:37:01,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 05:37:01,966 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 05:37:01,966 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 05:37:01,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 05:37:01,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 05:37:01,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 05:37:01,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 05:37:01,967 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 05:37:01,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 05:37:02,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 05:37:02,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 05:37:02,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 05:37:02,243 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 05:37:02,244 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 05:37:02,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2023-05-20 05:37:02,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdc6700e5/9b27b10a825e43469ebc8e1624e62474/FLAG56354b47a [2023-05-20 05:37:02,740 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 05:37:02,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2023-05-20 05:37:02,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdc6700e5/9b27b10a825e43469ebc8e1624e62474/FLAG56354b47a [2023-05-20 05:37:03,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdc6700e5/9b27b10a825e43469ebc8e1624e62474 [2023-05-20 05:37:03,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 05:37:03,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 05:37:03,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 05:37:03,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 05:37:03,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 05:37:03,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270de4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03, skipping insertion in model container [2023-05-20 05:37:03,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 05:37:03,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 05:37:03,337 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-array-sum-alt2.wvr.c[2525,2538] [2023-05-20 05:37:03,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 05:37:03,352 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 05:37:03,372 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-array-sum-alt2.wvr.c[2525,2538] [2023-05-20 05:37:03,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 05:37:03,387 INFO L208 MainTranslator]: Completed translation [2023-05-20 05:37:03,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03 WrapperNode [2023-05-20 05:37:03,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 05:37:03,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 05:37:03,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 05:37:03,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 05:37:03,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,441 INFO L138 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 191 [2023-05-20 05:37:03,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 05:37:03,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 05:37:03,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 05:37:03,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 05:37:03,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 05:37:03,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 05:37:03,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 05:37:03,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 05:37:03,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (1/1) ... [2023-05-20 05:37:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 05:37:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:37:03,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 05:37:03,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 05:37:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 05:37:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 05:37:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 05:37:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 05:37:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 05:37:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 05:37:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 05:37:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 05:37:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 05:37:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 05:37:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 05:37:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 05:37:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 05:37:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 05:37:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 05:37:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 05:37:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 05:37:03,570 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 05:37:03,704 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 05:37:03,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 05:37:04,128 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 05:37:04,276 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 05:37:04,276 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 05:37:04,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:37:04 BoogieIcfgContainer [2023-05-20 05:37:04,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 05:37:04,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 05:37:04,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 05:37:04,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 05:37:04,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:37:03" (1/3) ... [2023-05-20 05:37:04,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9ec1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:37:04, skipping insertion in model container [2023-05-20 05:37:04,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:37:03" (2/3) ... [2023-05-20 05:37:04,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9ec1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:37:04, skipping insertion in model container [2023-05-20 05:37:04,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:37:04" (3/3) ... [2023-05-20 05:37:04,298 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2023-05-20 05:37:04,309 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 05:37:04,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 05:37:04,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 05:37:04,317 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 05:37:04,393 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 05:37:04,441 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 05:37:04,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 05:37:04,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:37:04,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 05:37:04,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 05:37:04,486 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 05:37:04,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 05:37:04,507 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;@28f5228f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 05:37:04,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 05:37:04,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:37:04,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:37:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1102464393, now seen corresponding path program 1 times [2023-05-20 05:37:04,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:37:04,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248145708] [2023-05-20 05:37:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:37:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 05:37:05,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:37:05,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248145708] [2023-05-20 05:37:05,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248145708] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:37:05,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:37:05,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 05:37:05,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645603496] [2023-05-20 05:37:05,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:37:05,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 05:37:05,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:37:05,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 05:37:05,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 05:37:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:37:05,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:37:05,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 05:37:05,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:37:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:37:05,146 INFO L85 PathProgramCache]: Analyzing trace with hash 173457043, now seen corresponding path program 1 times [2023-05-20 05:37:05,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:37:05,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927958006] [2023-05-20 05:37:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:05,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:37:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 05:37:05,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:37:05,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927958006] [2023-05-20 05:37:05,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927958006] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 05:37:05,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 05:37:05,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 05:37:05,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723939331] [2023-05-20 05:37:05,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 05:37:05,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 05:37:05,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:37:05,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 05:37:05,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 05:37:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:37:05,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:37:05,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:37:05,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 05:37:05,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:37:05,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:37:05,773 INFO L85 PathProgramCache]: Analyzing trace with hash 741732930, now seen corresponding path program 1 times [2023-05-20 05:37:05,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:37:05,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111408652] [2023-05-20 05:37:05,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:05,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:37:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:06,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:37:06,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111408652] [2023-05-20 05:37:06,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111408652] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:37:06,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265463736] [2023-05-20 05:37:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:06,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:37:06,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:37:06,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:37:06,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 05:37:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:06,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 05:37:06,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:37:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:06,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:37:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:06,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265463736] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:37:06,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:37:06,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2023-05-20 05:37:06,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122021549] [2023-05-20 05:37:06,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:37:06,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-20 05:37:06,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:37:06,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-20 05:37:06,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2023-05-20 05:37:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:06,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:37:06,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.0) internal successors, (243), 27 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:37:06,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:06,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:37:06,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:37:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 05:37:07,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 05:37:07,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 05:37:07,738 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:37:07,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:37:07,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1012664029, now seen corresponding path program 1 times [2023-05-20 05:37:07,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:37:07,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893107002] [2023-05-20 05:37:07,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:07,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:37:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:08,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:37:08,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893107002] [2023-05-20 05:37:08,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893107002] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:37:08,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920675219] [2023-05-20 05:37:08,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:08,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:37:08,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:37:08,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:37:08,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 05:37:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:08,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 05:37:08,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:37:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:08,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:37:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:08,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920675219] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:37:08,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:37:08,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 27 [2023-05-20 05:37:08,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065945762] [2023-05-20 05:37:08,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:37:08,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-20 05:37:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:37:08,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-20 05:37:08,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=575, Unknown=0, NotChecked=0, Total=702 [2023-05-20 05:37:08,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:08,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:37:08,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.333333333333333) internal successors, (198), 27 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:37:08,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:08,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:37:08,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 05:37:08,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:37:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:37:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:37:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:37:09,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 05:37:09,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:37:09,469 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:37:09,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:37:09,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2078725965, now seen corresponding path program 2 times [2023-05-20 05:37:09,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:37:09,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328377622] [2023-05-20 05:37:09,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:37:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:37:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:37:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:12,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:37:12,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328377622] [2023-05-20 05:37:12,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328377622] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:37:12,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065809487] [2023-05-20 05:37:12,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:37:12,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:37:12,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:37:12,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:37:12,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 05:37:13,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:37:13,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:37:13,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 111 conjunts are in the unsatisfiable core [2023-05-20 05:37:13,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:37:13,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 05:37:13,175 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-20 05:37:13,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-20 05:37:13,611 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-20 05:37:13,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-05-20 05:37:14,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-20 05:37:14,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 05:37:14,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 05:37:15,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:37:15,710 INFO L356 Elim1Store]: treesize reduction 10, result has 75.6 percent of original size [2023-05-20 05:37:15,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 41 [2023-05-20 05:37:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:37:16,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:37:20,973 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset 4 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)))) (and (forall ((v_ArrVal_139 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) c_~A~0.base))) (<= (+ c_~res1~0 (select .cse0 .cse1)) (let ((.cse2 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse2)) c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse2 4)))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| |v_thread3Thread1of1ForFork1_~i~2#1_22|) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0))) (forall ((v_ArrVal_139 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse3 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) c_~A~0.base))) (< (let ((.cse4 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse3 (+ c_~A~0.offset .cse4)) c_~res2~0 (select .cse3 (+ c_~A~0.offset .cse4 4)))) (+ c_~res1~0 (select .cse3 .cse1) 1))) (< |c_thread2Thread1of1ForFork0_~i~1#1| |v_thread3Thread1of1ForFork1_~i~2#1_22|) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0))))) is different from false [2023-05-20 05:37:21,722 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse2 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse6))) (.cse3 (+ c_~A~0.offset 4 .cse6))) (and (forall ((v_ArrVal_139 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) c_~A~0.base))) (< (let ((.cse1 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1)) c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse1 4)))) (+ .cse2 c_~res1~0 (select .cse0 .cse3) 1))) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|))) (forall ((v_ArrVal_139 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) c_~A~0.base))) (<= (+ .cse2 c_~res1~0 (select .cse4 .cse3)) (let ((.cse5 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse4 (+ c_~A~0.offset .cse5)) c_~res2~0 (select .cse4 (+ c_~A~0.offset .cse5 4)))))) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|)))))) is different from false [2023-05-20 05:37:22,197 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~A~0.offset 4))) (and (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_138))) (let ((.cse1 (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) c_~A~0.base))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select .cse1 .cse2)) (let ((.cse3 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ c_~res2~0 (select .cse1 (+ c_~A~0.offset .cse3)) (select .cse1 (+ c_~A~0.offset .cse3 4))))))))) (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_138))) (let ((.cse4 (select (store .cse6 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) c_~A~0.base))) (< (let ((.cse5 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ c_~res2~0 (select .cse4 (+ c_~A~0.offset .cse5)) (select .cse4 (+ c_~A~0.offset .cse5 4)))) (+ (select (select .cse6 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select .cse4 .cse2) 1)))))))) is different from false [2023-05-20 05:37:23,076 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (and (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (v_ArrVal_137 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_138))) (let ((.cse1 (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (<= (+ c_~res1~0 (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select .cse1 .cse2)) (let ((.cse3 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse1 (+ .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~res2~0 (select .cse1 (+ .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))))))) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|))) (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (v_ArrVal_137 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse6 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_138))) (let ((.cse4 (select (store .cse6 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (< (let ((.cse5 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse4 (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~res2~0 (select .cse4 (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))) (+ c_~res1~0 (select (select .cse6 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select .cse4 .cse2) 1)))) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|))))) is different from false [2023-05-20 05:37:23,107 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (v_ArrVal_137 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_138))) (let ((.cse0 (select (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (< (let ((.cse1 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse0 (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~res2~0 (select .cse0 (+ .cse1 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (+ (select .cse0 .cse2) c_~res1~0 (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) 1)))) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|))) (forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_138 (Array Int Int)) (v_ArrVal_137 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_22| Int)) (or (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_22| 3) c_~N~0) (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_22|) (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_138))) (let ((.cse4 (select (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_139) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (<= (+ (select .cse4 .cse2) c_~res1~0 (select (select .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (let ((.cse6 (* |v_thread3Thread1of1ForFork1_~i~2#1_22| 4))) (+ (select .cse4 (+ .cse6 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~res2~0 (select .cse4 (+ .cse6 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))))))) is different from false [2023-05-20 05:37:23,243 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:37:23,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 83 [2023-05-20 05:37:23,296 INFO L356 Elim1Store]: treesize reduction 10, result has 76.7 percent of original size [2023-05-20 05:37:23,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 10294 treesize of output 9334 [2023-05-20 05:37:23,372 INFO L356 Elim1Store]: treesize reduction 10, result has 76.7 percent of original size [2023-05-20 05:37:23,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 9302 treesize of output 7990 [2023-05-20 05:37:23,478 INFO L356 Elim1Store]: treesize reduction 10, result has 76.7 percent of original size [2023-05-20 05:37:23,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 7958 treesize of output 7318 [2023-05-20 05:37:23,551 INFO L356 Elim1Store]: treesize reduction 11, result has 47.6 percent of original size [2023-05-20 05:37:23,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 7286 treesize of output 5120 [2023-05-20 05:39:06,730 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:39:06,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 82 [2023-05-20 05:39:06,735 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:39:06,763 INFO L356 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2023-05-20 05:39:06,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2550 treesize of output 2126 [2023-05-20 05:39:06,797 INFO L356 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2023-05-20 05:39:06,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2070 treesize of output 1774 [2023-05-20 05:39:06,830 INFO L356 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2023-05-20 05:39:06,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1718 treesize of output 1118 [2023-05-20 05:39:11,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-05-20 05:39:11,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-05-20 05:39:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2023-05-20 05:39:11,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065809487] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:39:11,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:39:11,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 37] total 99 [2023-05-20 05:39:11,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841239857] [2023-05-20 05:39:11,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:39:11,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2023-05-20 05:39:11,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:39:11,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2023-05-20 05:39:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=8053, Unknown=76, NotChecked=940, Total=9702 [2023-05-20 05:39:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:11,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:39:11,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.515151515151515) internal successors, (348), 99 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:39:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:11,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:19,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:19,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 05:39:20,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:20,029 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:39:20,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:39:20,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2072438747, now seen corresponding path program 3 times [2023-05-20 05:39:20,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:39:20,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580237882] [2023-05-20 05:39:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:39:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:39:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:39:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 05:39:20,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:39:20,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580237882] [2023-05-20 05:39:20,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580237882] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:39:20,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334808003] [2023-05-20 05:39:20,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:39:20,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:20,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:39:20,512 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:39:20,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 05:39:20,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 05:39:20,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:39:20,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-20 05:39:20,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:39:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 05:39:21,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:39:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 05:39:21,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334808003] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:39:21,682 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:39:21,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 43 [2023-05-20 05:39:21,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609568629] [2023-05-20 05:39:21,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:39:21,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 05:39:21,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:39:21,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 05:39:21,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1634, Unknown=0, NotChecked=0, Total=1806 [2023-05-20 05:39:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:21,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:39:21,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.4186046511627906) internal successors, (276), 43 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:39:21,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:21,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:21,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:21,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:21,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:21,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 05:39:24,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 05:39:24,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:24,366 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:39:24,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:39:24,366 INFO L85 PathProgramCache]: Analyzing trace with hash 683760838, now seen corresponding path program 4 times [2023-05-20 05:39:24,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:39:24,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089807509] [2023-05-20 05:39:24,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:39:24,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:39:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:39:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:39:24,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:39:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089807509] [2023-05-20 05:39:24,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089807509] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:39:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262126917] [2023-05-20 05:39:24,751 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 05:39:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:39:24,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:39:24,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 05:39:24,852 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 05:39:24,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:39:24,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 05:39:24,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:39:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:39:25,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:39:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:39:25,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262126917] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:39:25,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:39:25,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 37 [2023-05-20 05:39:25,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031810324] [2023-05-20 05:39:25,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:39:25,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 05:39:25,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:39:25,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 05:39:25,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1120, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 05:39:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:25,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:39:25,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.4324324324324325) internal successors, (238), 37 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:39:25,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:25,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:25,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:25,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:25,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:25,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 05:39:25,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:26,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 05:39:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:39:26,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 05:39:26,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:26,535 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:39:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:39:26,535 INFO L85 PathProgramCache]: Analyzing trace with hash 934173680, now seen corresponding path program 5 times [2023-05-20 05:39:26,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:39:26,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268531003] [2023-05-20 05:39:26,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:39:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:39:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:39:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:39:30,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:39:30,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268531003] [2023-05-20 05:39:30,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268531003] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:39:30,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394234121] [2023-05-20 05:39:30,129 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 05:39:30,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:30,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:39:30,131 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:39:30,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 05:39:30,255 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-20 05:39:30,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:39:30,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 133 conjunts are in the unsatisfiable core [2023-05-20 05:39:30,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:39:31,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:39:31,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:39:32,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:39:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:39:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:39:32,485 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:39:32,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 47 treesize of output 73 [2023-05-20 05:39:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 05:39:32,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:39:40,397 INFO L356 Elim1Store]: treesize reduction 42, result has 65.3 percent of original size [2023-05-20 05:39:40,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 128 treesize of output 146 [2023-05-20 05:39:40,442 INFO L356 Elim1Store]: treesize reduction 14, result has 82.7 percent of original size [2023-05-20 05:39:40,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 83 [2023-05-20 05:39:40,512 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:39:40,545 INFO L356 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2023-05-20 05:39:40,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 24 [2023-05-20 05:39:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 05:39:41,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394234121] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:39:41,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:39:41,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 39, 34] total 101 [2023-05-20 05:39:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474597855] [2023-05-20 05:39:41,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:39:41,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2023-05-20 05:39:41,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:39:41,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2023-05-20 05:39:41,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=9469, Unknown=9, NotChecked=0, Total=10100 [2023-05-20 05:39:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:41,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:39:41,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.623762376237624) internal successors, (366), 101 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:39:41,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 05:39:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:39:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-20 05:39:54,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 05:39:54,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:54,994 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:39:54,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:39:54,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1050901085, now seen corresponding path program 6 times [2023-05-20 05:39:54,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:39:54,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674675529] [2023-05-20 05:39:54,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:39:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:39:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:39:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 32 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 05:39:55,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:39:55,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674675529] [2023-05-20 05:39:55,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674675529] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:39:55,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125223269] [2023-05-20 05:39:55,510 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 05:39:55,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:55,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:39:55,513 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:39:55,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 05:39:55,766 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-20 05:39:55,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:39:55,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 05:39:55,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:39:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 49 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 05:39:56,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:39:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 67 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 05:39:56,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125223269] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:39:56,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:39:56,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 47 [2023-05-20 05:39:56,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248251836] [2023-05-20 05:39:56,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:39:56,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-20 05:39:56,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:39:56,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-20 05:39:56,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1839, Unknown=0, NotChecked=0, Total=2162 [2023-05-20 05:39:56,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:56,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:39:56,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.787234042553192) internal successors, (272), 47 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:39:56,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:56,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:56,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:56,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:56,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:56,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 05:39:56,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:39:56,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-20 05:39:56,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:39:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:39:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:39:58,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 05:39:58,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-20 05:39:58,313 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:39:58,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:39:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash -291944945, now seen corresponding path program 7 times [2023-05-20 05:39:58,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:39:58,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866711442] [2023-05-20 05:39:58,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:39:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:39:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:39:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 27 proven. 65 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 05:39:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:39:58,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866711442] [2023-05-20 05:39:58,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866711442] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:39:58,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412706470] [2023-05-20 05:39:58,730 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 05:39:58,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:39:58,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:39:58,731 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) [2023-05-20 05:39:58,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 05:39:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:39:58,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 05:39:58,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:39:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 40 proven. 52 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 05:39:59,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:39:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 62 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 05:39:59,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412706470] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:39:59,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:39:59,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2023-05-20 05:39:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571336840] [2023-05-20 05:39:59,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:39:59,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 05:39:59,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:39:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 05:39:59,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1575, Unknown=0, NotChecked=0, Total=1892 [2023-05-20 05:39:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:59,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:39:59,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 6.681818181818182) internal successors, (294), 44 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:39:59,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:40:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:40:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:40:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:40:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:40:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:40:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:40:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:40:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:40:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:40:00,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:40:00,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 05:40:00,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 05:40:00,707 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:40:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:40:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1162553197, now seen corresponding path program 8 times [2023-05-20 05:40:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:40:00,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312541061] [2023-05-20 05:40:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:40:00,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:40:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:40:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:40:07,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:40:07,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312541061] [2023-05-20 05:40:07,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312541061] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:40:07,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707872110] [2023-05-20 05:40:07,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:40:07,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:40:07,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:40:07,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:40:07,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 05:40:07,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:40:07,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:40:07,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 182 conjunts are in the unsatisfiable core [2023-05-20 05:40:07,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:40:08,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 05:40:09,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 05:40:09,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 05:40:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:40:10,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:40:13,610 INFO L356 Elim1Store]: treesize reduction 178, result has 33.3 percent of original size [2023-05-20 05:40:13,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 76 treesize of output 103 [2023-05-20 05:40:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:40:14,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:40:22,367 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset 4 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)))) (and (forall ((~M~0 Int) (v_ArrVal_393 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_2 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_2 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (< (+ 2 v_subst_2) c_~N~0) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base))) (< (let ((.cse2 (* 4 v_subst_2))) (+ (select .cse0 .cse1) (select .cse0 (+ c_~A~0.offset .cse2)) c_~res1~0 (select .cse0 (+ c_~A~0.offset .cse2 4)))) (let ((.cse3 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse3 4)) (select .cse0 (+ c_~A~0.offset (* ~M~0 4))) (select .cse0 (+ c_~A~0.offset .cse3 8)) c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse3)) 1)))) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))) (forall ((~M~0 Int) (v_ArrVal_393 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_1 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_1 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base))) (<= (let ((.cse5 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse4 (+ c_~A~0.offset .cse5 4)) (select .cse4 (+ c_~A~0.offset (* ~M~0 4))) (select .cse4 (+ c_~A~0.offset .cse5 8)) c_~res2~0 (select .cse4 (+ c_~A~0.offset .cse5)))) (let ((.cse6 (* 4 v_subst_1))) (+ (select .cse4 .cse1) c_~res1~0 (select .cse4 (+ c_~A~0.offset .cse6)) (select .cse4 (+ c_~A~0.offset .cse6 4)))))) (< (+ 2 v_subst_1) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))))) is different from false [2023-05-20 05:40:27,199 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse10 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse3 (+ c_~A~0.offset 4 .cse10)) (.cse5 (+ c_~A~0.offset .cse10))) (and (forall ((~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_1 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse0 (select (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base))) (<= (let ((.cse1 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse0 (+ c_~A~0.offset (* ~M~0 4))) (select .cse0 (+ c_~A~0.offset .cse1 4)) c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1)))) (let ((.cse2 (* 4 v_subst_1))) (+ (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~res1~0 (select .cse0 .cse3) (select .cse0 (+ c_~A~0.offset .cse2)) (select (select .cse4 c_~A~0.base) .cse5)))))) (not (< (+ v_subst_1 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (< (+ 2 v_subst_1) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))) (forall ((~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_2 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_2 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (< (+ 2 v_subst_2) c_~N~0) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse6 (select (store .cse8 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base))) (< (let ((.cse7 (* 4 v_subst_2))) (+ (select .cse6 (+ c_~A~0.offset .cse7)) c_~res1~0 (select .cse6 (+ c_~A~0.offset .cse7 4)) (select .cse6 .cse3) (select (select .cse8 c_~A~0.base) .cse5))) (let ((.cse9 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse6 (+ c_~A~0.offset (* ~M~0 4))) (select .cse6 (+ c_~A~0.offset .cse9 4)) c_~res2~0 (select .cse6 (+ c_~A~0.offset .cse9 8)) (select .cse6 (+ c_~A~0.offset .cse9)) 1))))) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|)))))) is different from false [2023-05-20 05:40:27,512 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (+ c_~A~0.offset 4))) (and (forall ((~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_1 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_1 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse0 (select (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base))) (<= (let ((.cse1 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse0 (+ c_~A~0.offset (* ~M~0 4))) (select .cse0 (+ c_~A~0.offset .cse1 4)) c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1)))) (let ((.cse2 (* 4 v_subst_1))) (+ (select .cse0 (+ c_~A~0.offset .cse2 4)) (select (select .cse3 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select .cse0 .cse4) (select .cse0 (+ c_~A~0.offset .cse2))))))) (< (+ 2 v_subst_1) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))) (forall ((~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_2 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_2 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse5 (select (store .cse7 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) c_~A~0.base))) (< (let ((.cse6 (* 4 v_subst_2))) (+ (select .cse5 (+ c_~A~0.offset .cse6)) (select (select .cse7 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select .cse5 .cse4) (select .cse5 (+ c_~A~0.offset .cse6 4)))) (let ((.cse8 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse5 (+ c_~A~0.offset (* ~M~0 4))) (select .cse5 (+ c_~A~0.offset .cse8 4)) c_~res2~0 (select .cse5 (+ c_~A~0.offset .cse8 8)) (select .cse5 (+ c_~A~0.offset .cse8)) 1))))) (< (+ 2 v_subst_2) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))))) is different from false [2023-05-20 05:40:29,452 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| 4))) (and (forall ((v_ArrVal_391 (Array Int Int)) (~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_1 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_1 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse0 (select (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (<= (let ((.cse1 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse0 (+ .cse1 |c_ULTIMATE.start_main_#t~ret12#1.offset| 8)) c_~res2~0 (select .cse0 (+ .cse1 |c_ULTIMATE.start_main_#t~ret12#1.offset|)) (select .cse0 (+ .cse1 |c_ULTIMATE.start_main_#t~ret12#1.offset| 4)) (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))))) (let ((.cse2 (* 4 v_subst_1))) (+ (select .cse0 (+ .cse2 |c_ULTIMATE.start_main_#t~ret12#1.offset| 4)) c_~res1~0 (select (select .cse3 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) (select .cse0 (+ .cse2 |c_ULTIMATE.start_main_#t~ret12#1.offset|)) (select .cse0 .cse4)))))) (< (+ 2 v_subst_1) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))) (forall ((v_ArrVal_391 (Array Int Int)) (~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_2 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_2 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse5 (select (store .cse7 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) |c_ULTIMATE.start_main_#t~ret12#1.base|))) (< (let ((.cse6 (* 4 v_subst_2))) (+ (select .cse5 (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| .cse6)) c_~res1~0 (select (select .cse7 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) (select .cse5 (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| .cse6 4)) (select .cse5 .cse4))) (let ((.cse8 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse5 (+ .cse8 |c_ULTIMATE.start_main_#t~ret12#1.offset| 8)) c_~res2~0 (select .cse5 (+ .cse8 |c_ULTIMATE.start_main_#t~ret12#1.offset|)) (select .cse5 (+ .cse8 |c_ULTIMATE.start_main_#t~ret12#1.offset| 4)) (select .cse5 (+ |c_ULTIMATE.start_main_#t~ret12#1.offset| (* ~M~0 4))) 1))))) (< (+ 2 v_subst_2) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))))) is different from false [2023-05-20 05:40:29,567 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (and (forall ((v_ArrVal_391 (Array Int Int)) (~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_1 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse0 (select (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (<= (let ((.cse1 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse0 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~res2~0 (select .cse0 (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse0 (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (select .cse0 (+ .cse1 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (let ((.cse3 (* 4 v_subst_1))) (+ (select .cse0 .cse2) (select .cse0 (+ .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (select .cse0 (+ .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~res1~0 (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))))) (not (< (+ v_subst_1 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (< (+ 2 v_subst_1) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))) (forall ((v_ArrVal_391 (Array Int Int)) (~M~0 Int) (v_ArrVal_393 (Array Int Int)) (v_ArrVal_392 (Array Int Int)) (|v_thread3Thread1of1ForFork1_~i~2#1_54| Int) (v_subst_2 Int)) (or (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 3) c_~N~0) (not (< (+ v_subst_2 1) c_~N~0)) (not (< (+ |v_thread3Thread1of1ForFork1_~i~2#1_54| 2) c_~N~0)) (< 0 ~M~0) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_392))) (let ((.cse5 (select (store .cse7 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_393) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (< (let ((.cse6 (* 4 v_subst_2))) (+ (select .cse5 .cse2) c_~res1~0 (select .cse5 (+ .cse6 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (select (select .cse7 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select .cse5 (+ .cse6 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (let ((.cse8 (* |v_thread3Thread1of1ForFork1_~i~2#1_54| 4))) (+ (select .cse5 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~res2~0 (select .cse5 (+ .cse8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse5 (+ .cse8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (select .cse5 (+ .cse8 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 1))))) (< (+ 2 v_subst_2) c_~N~0) (< (+ ~M~0 1) |v_thread3Thread1of1ForFork1_~i~2#1_54|))))) is different from false [2023-05-20 05:40:31,888 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:40:31,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 156 [2023-05-20 05:40:32,042 INFO L356 Elim1Store]: treesize reduction 156, result has 43.3 percent of original size [2023-05-20 05:40:32,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 8982 treesize of output 8060 [2023-05-20 05:40:32,185 INFO L356 Elim1Store]: treesize reduction 128, result has 38.8 percent of original size [2023-05-20 05:40:32,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 7878 treesize of output 5206 [2023-05-20 05:40:32,386 INFO L356 Elim1Store]: treesize reduction 154, result has 44.0 percent of original size [2023-05-20 05:40:32,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 4870 treesize of output 3486 [2023-05-20 05:40:32,597 INFO L356 Elim1Store]: treesize reduction 154, result has 44.0 percent of original size [2023-05-20 05:40:32,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 3238 treesize of output 2606 [2023-05-20 05:41:32,181 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:41:32,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 240 treesize of output 157 [2023-05-20 05:41:32,191 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:41:32,292 INFO L356 Elim1Store]: treesize reduction 258, result has 6.2 percent of original size [2023-05-20 05:41:32,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 1158 treesize of output 930 [2023-05-20 05:41:32,365 INFO L356 Elim1Store]: treesize reduction 258, result has 6.2 percent of original size [2023-05-20 05:41:32,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 887 treesize of output 543 [2023-05-20 05:41:32,441 INFO L356 Elim1Store]: treesize reduction 258, result has 6.2 percent of original size [2023-05-20 05:41:32,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 467 treesize of output 303 [2023-05-20 05:41:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-05-20 05:41:35,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707872110] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:41:35,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:41:35,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 59, 58] total 159 [2023-05-20 05:41:35,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514777022] [2023-05-20 05:41:35,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:41:35,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2023-05-20 05:41:35,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:41:35,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2023-05-20 05:41:35,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1448, Invalid=22078, Unknown=56, NotChecked=1540, Total=25122 [2023-05-20 05:41:35,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:41:35,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:41:35,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 2.7169811320754715) internal successors, (432), 159 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:41:35,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:41:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:41:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-20 05:41:58,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 05:41:58,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 05:41:58,271 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:41:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:41:58,271 INFO L85 PathProgramCache]: Analyzing trace with hash 633650210, now seen corresponding path program 9 times [2023-05-20 05:41:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:41:58,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272237606] [2023-05-20 05:41:58,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:41:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:41:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:41:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 59 proven. 100 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 05:41:58,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:41:58,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272237606] [2023-05-20 05:41:58,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272237606] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:41:58,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527234913] [2023-05-20 05:41:58,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:41:58,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:41:58,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:41:58,853 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:41:58,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 05:41:59,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-20 05:41:59,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:41:59,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 05:41:59,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:41:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 28 proven. 61 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 05:41:59,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:42:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-05-20 05:42:00,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527234913] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:42:00,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:42:00,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 17] total 60 [2023-05-20 05:42:00,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169234953] [2023-05-20 05:42:00,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:42:00,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-20 05:42:00,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:42:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-20 05:42:00,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=3330, Unknown=0, NotChecked=0, Total=3540 [2023-05-20 05:42:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:00,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:42:00,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.6) internal successors, (336), 60 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-20 05:42:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 05:42:03,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 05:42:03,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 05:42:03,661 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:42:03,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:42:03,661 INFO L85 PathProgramCache]: Analyzing trace with hash -36091212, now seen corresponding path program 10 times [2023-05-20 05:42:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:42:03,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193959649] [2023-05-20 05:42:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:42:03,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:42:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:42:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 27 proven. 126 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:42:04,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:42:04,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193959649] [2023-05-20 05:42:04,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193959649] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:42:04,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434288834] [2023-05-20 05:42:04,224 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 05:42:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:42:04,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:42:04,229 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:42:04,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 05:42:04,356 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 05:42:04,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:42:04,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 05:42:04,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:42:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 46 proven. 107 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:42:05,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:42:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 75 proven. 78 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:42:05,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434288834] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:42:05,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:42:05,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-20 05:42:05,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110717449] [2023-05-20 05:42:05,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:42:05,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 05:42:05,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:42:05,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 05:42:05,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 05:42:05,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:05,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:42:05,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.148148148148148) internal successors, (332), 54 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 05:42:05,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 05:42:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:06,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 05:42:06,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 05:42:06,742 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:42:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:42:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1569593328, now seen corresponding path program 11 times [2023-05-20 05:42:06,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:42:06,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826720826] [2023-05-20 05:42:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:42:06,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:42:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:42:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:42:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:42:13,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826720826] [2023-05-20 05:42:13,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826720826] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:42:13,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158666558] [2023-05-20 05:42:13,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 05:42:13,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:42:13,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:42:13,240 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:42:13,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 05:42:13,420 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-20 05:42:13,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:42:13,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 218 conjunts are in the unsatisfiable core [2023-05-20 05:42:13,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:42:13,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 05:42:13,608 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 05:42:13,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 05:42:15,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:42:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:42:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:42:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,967 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:42:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:42:18,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:42:18,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:42:18,976 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:42:18,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 75 treesize of output 32 [2023-05-20 05:42:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 05:42:19,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:42:22,927 WARN L833 $PredicateComparison]: unable to prove that (or (not (< (+ |c_thread1Thread1of1ForFork2_~i~0#1| 4) c_~N~0)) (let ((.cse11 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)) (.cse12 (* 4 c_~M~0))) (let ((.cse5 (+ c_~A~0.offset 16 .cse12)) (.cse6 (+ c_~A~0.offset .cse12 8)) (.cse7 (+ c_~A~0.offset .cse12 4)) (.cse8 (+ c_~A~0.offset .cse12)) (.cse9 (+ c_~A~0.offset .cse12 12)) (.cse1 (+ c_~A~0.offset 4 .cse11)) (.cse2 (+ c_~A~0.offset 16 .cse11)) (.cse3 (+ c_~A~0.offset 8 .cse11)) (.cse4 (+ c_~A~0.offset 12 .cse11))) (and (forall ((v_ArrVal_539 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_539) c_~A~0.base))) (< (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3) (select .cse0 .cse4) c_~res1~0) (+ (select .cse0 .cse5) c_~res2~0 (select .cse0 .cse6) (select .cse0 .cse7) (select .cse0 .cse8) (select .cse0 .cse9) 1)))) (forall ((v_ArrVal_539 (Array Int Int))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_539) c_~A~0.base))) (<= (+ (select .cse10 .cse5) c_~res2~0 (select .cse10 .cse6) (select .cse10 .cse7) (select .cse10 .cse8) (select .cse10 .cse9)) (+ (select .cse10 .cse1) (select .cse10 .cse2) (select .cse10 .cse3) (select .cse10 .cse4) c_~res1~0))))))) (< (+ 5 c_~M~0) c_~N~0)) is different from false [2023-05-20 05:42:23,043 WARN L833 $PredicateComparison]: unable to prove that (or (not (< (+ |c_thread1Thread1of1ForFork2_~i~0#1| 4) c_~N~0)) (let ((.cse11 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)) (.cse12 (* 4 c_~M~0))) (let ((.cse5 (+ c_~A~0.offset 16 .cse12)) (.cse6 (+ c_~A~0.offset .cse12 8)) (.cse7 (+ c_~A~0.offset .cse12 4)) (.cse8 (+ c_~A~0.offset .cse12)) (.cse9 (+ c_~A~0.offset .cse12 12)) (.cse1 (+ c_~A~0.offset 4 .cse11)) (.cse2 (+ c_~A~0.offset 16 .cse11)) (.cse3 (+ c_~A~0.offset 8 .cse11)) (.cse4 (+ c_~A~0.offset 12 .cse11))) (and (forall ((v_ArrVal_539 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_539) c_~A~0.base))) (< (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3) (select .cse0 .cse4) c_~res1~0) (+ (select .cse0 .cse5) c_~res2~0 (select .cse0 .cse6) (select .cse0 .cse7) (select .cse0 .cse8) (select .cse0 .cse9) 1)))) (forall ((v_ArrVal_539 (Array Int Int))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_539) c_~A~0.base))) (<= (+ (select .cse10 .cse5) c_~res2~0 (select .cse10 .cse6) (select .cse10 .cse7) (select .cse10 .cse8) (select .cse10 .cse9)) (+ (select .cse10 .cse1) (select .cse10 .cse2) (select .cse10 .cse3) (select .cse10 .cse4) c_~res1~0))))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| c_~M~0) (< (+ 5 c_~M~0) c_~N~0)) is different from false [2023-05-20 05:42:23,059 WARN L833 $PredicateComparison]: unable to prove that (or (< 0 c_~M~0) (not (< (+ |c_thread1Thread1of1ForFork2_~i~0#1| 4) c_~N~0)) (let ((.cse11 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)) (.cse12 (* 4 c_~M~0))) (let ((.cse5 (+ c_~A~0.offset 16 .cse12)) (.cse6 (+ c_~A~0.offset .cse12 8)) (.cse7 (+ c_~A~0.offset .cse12 4)) (.cse8 (+ c_~A~0.offset .cse12)) (.cse9 (+ c_~A~0.offset .cse12 12)) (.cse1 (+ c_~A~0.offset 4 .cse11)) (.cse2 (+ c_~A~0.offset 16 .cse11)) (.cse3 (+ c_~A~0.offset 8 .cse11)) (.cse4 (+ c_~A~0.offset 12 .cse11))) (and (forall ((v_ArrVal_539 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_539) c_~A~0.base))) (< (+ (select .cse0 .cse1) (select .cse0 .cse2) (select .cse0 .cse3) (select .cse0 .cse4) c_~res1~0) (+ (select .cse0 .cse5) c_~res2~0 (select .cse0 .cse6) (select .cse0 .cse7) (select .cse0 .cse8) (select .cse0 .cse9) 1)))) (forall ((v_ArrVal_539 (Array Int Int))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_539) c_~A~0.base))) (<= (+ (select .cse10 .cse5) c_~res2~0 (select .cse10 .cse6) (select .cse10 .cse7) (select .cse10 .cse8) (select .cse10 .cse9)) (+ (select .cse10 .cse1) (select .cse10 .cse2) (select .cse10 .cse3) (select .cse10 .cse4) c_~res1~0))))))) (< (+ 5 c_~M~0) c_~N~0)) is different from false [2023-05-20 05:42:23,283 INFO L356 Elim1Store]: treesize reduction 140, result has 58.9 percent of original size [2023-05-20 05:42:23,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 198 treesize of output 302 [2023-05-20 05:42:23,453 INFO L356 Elim1Store]: treesize reduction 84, result has 69.2 percent of original size [2023-05-20 05:42:23,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 81 treesize of output 208 [2023-05-20 05:42:23,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:42:23,745 INFO L356 Elim1Store]: treesize reduction 320, result has 6.2 percent of original size [2023-05-20 05:42:23,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 104 treesize of output 37 [2023-05-20 05:42:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 05:42:25,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158666558] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:42:25,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:42:25,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 58, 49] total 156 [2023-05-20 05:42:25,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718851481] [2023-05-20 05:42:25,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:42:25,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2023-05-20 05:42:25,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:42:25,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2023-05-20 05:42:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1249, Invalid=22016, Unknown=3, NotChecked=912, Total=24180 [2023-05-20 05:42:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:25,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:42:25,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 3.0128205128205128) internal successors, (470), 156 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 05:42:25,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:25,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 05:42:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:47,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:42:47,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 05:42:47,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 05:42:47,593 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:42:47,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:42:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1462270499, now seen corresponding path program 12 times [2023-05-20 05:42:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:42:47,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295503211] [2023-05-20 05:42:47,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:42:47,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:42:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:42:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 97 proven. 137 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 05:42:48,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:42:48,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295503211] [2023-05-20 05:42:48,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295503211] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:42:48,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245121047] [2023-05-20 05:42:48,288 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 05:42:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:42:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:42:48,289 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:42:48,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 05:42:48,540 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-20 05:42:48,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:42:48,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-20 05:42:48,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:42:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 128 proven. 106 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 05:42:49,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:42:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 158 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 05:42:50,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245121047] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:42:50,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:42:50,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 67 [2023-05-20 05:42:50,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159846535] [2023-05-20 05:42:50,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:42:50,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-20 05:42:50,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:42:50,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-20 05:42:50,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=3799, Unknown=0, NotChecked=0, Total=4422 [2023-05-20 05:42:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:50,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:42:50,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 5.134328358208955) internal successors, (344), 67 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:42:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:42:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:42:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:42:51,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-20 05:42:51,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:42:51,895 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:42:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:42:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1728490517, now seen corresponding path program 13 times [2023-05-20 05:42:51,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:42:51,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278427272] [2023-05-20 05:42:51,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:42:51,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:42:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:42:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 50 proven. 186 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:42:52,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:42:52,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278427272] [2023-05-20 05:42:52,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278427272] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:42:52,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689671428] [2023-05-20 05:42:52,462 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 05:42:52,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:42:52,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:42:52,463 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:42:52,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 05:42:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:42:52,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 05:42:52,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:42:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 75 proven. 161 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:42:53,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:42:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 111 proven. 125 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:42:54,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689671428] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:42:54,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:42:54,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-05-20 05:42:54,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409515335] [2023-05-20 05:42:54,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:42:54,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-20 05:42:54,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:42:54,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-20 05:42:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=3411, Unknown=0, NotChecked=0, Total=4032 [2023-05-20 05:42:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:54,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:42:54,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.828125) internal successors, (373), 64 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:42:54,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:42:54,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:42:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:42:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:42:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:42:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:42:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:42:55,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:42:55,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 05:42:55,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-20 05:42:55,337 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:42:55,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:42:55,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1709394065, now seen corresponding path program 14 times [2023-05-20 05:42:55,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:42:55,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756938681] [2023-05-20 05:42:55,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:42:55,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:42:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:43:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 5 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:43:04,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:43:04,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756938681] [2023-05-20 05:43:04,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756938681] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:43:04,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806921971] [2023-05-20 05:43:04,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 05:43:04,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:43:04,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:43:04,061 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:43:04,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 05:43:04,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 05:43:04,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:43:04,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 239 conjunts are in the unsatisfiable core [2023-05-20 05:43:04,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:43:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:43:06,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:43:11,699 INFO L356 Elim1Store]: treesize reduction 342, result has 5.3 percent of original size [2023-05-20 05:43:11,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 106 treesize of output 37 [2023-05-20 05:43:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:43:11,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:43:26,991 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:43:26,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 234 treesize of output 612 [2023-05-20 05:43:27,235 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:43:27,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 97 treesize of output 432 [2023-05-20 05:43:37,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:43:37,549 INFO L356 Elim1Store]: treesize reduction 468, result has 5.1 percent of original size [2023-05-20 05:43:37,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 124 treesize of output 43 [2023-05-20 05:43:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 111 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:43:42,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806921971] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:43:42,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:43:42,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 66, 65] total 191 [2023-05-20 05:43:42,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084436747] [2023-05-20 05:43:42,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:43:42,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2023-05-20 05:43:42,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:43:42,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2023-05-20 05:43:42,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1377, Invalid=34877, Unknown=36, NotChecked=0, Total=36290 [2023-05-20 05:43:42,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:43:42,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:43:42,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 2.8900523560209423) internal successors, (552), 191 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:43:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:43:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:43:42,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:43:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:11,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-20 05:44:11,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 05:44:11,554 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:44:11,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:44:11,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1135195221, now seen corresponding path program 15 times [2023-05-20 05:44:11,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:44:11,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564394836] [2023-05-20 05:44:11,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:44:11,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:44:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:44:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 161 proven. 132 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:44:12,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:44:12,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564394836] [2023-05-20 05:44:12,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564394836] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:44:12,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805444205] [2023-05-20 05:44:12,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 05:44:12,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:44:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:44:12,221 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:44:12,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 05:44:12,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-20 05:44:12,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:44:12,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-20 05:44:12,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:44:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 182 proven. 111 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:44:13,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:44:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 182 proven. 111 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 05:44:14,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805444205] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:44:14,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:44:14,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2023-05-20 05:44:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846753834] [2023-05-20 05:44:14,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:44:14,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-20 05:44:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:44:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-20 05:44:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2023-05-20 05:44:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:14,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:44:14,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.4324324324324325) internal successors, (402), 74 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:14,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 05:44:14,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-05-20 05:44:14,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 05:44:14,891 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:44:14,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:44:14,892 INFO L85 PathProgramCache]: Analyzing trace with hash 657058438, now seen corresponding path program 16 times [2023-05-20 05:44:14,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:44:14,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892523758] [2023-05-20 05:44:14,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:44:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:44:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:44:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 143 proven. 189 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 05:44:15,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:44:15,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892523758] [2023-05-20 05:44:15,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892523758] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:44:15,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899063976] [2023-05-20 05:44:15,533 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 05:44:15,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:44:15,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:44:15,534 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:44:15,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-20 05:44:15,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 05:44:15,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:44:15,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-20 05:44:15,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:44:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 181 proven. 151 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 05:44:16,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:44:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 217 proven. 115 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 05:44:17,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899063976] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:44:17,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:44:17,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 77 [2023-05-20 05:44:17,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001203091] [2023-05-20 05:44:17,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:44:17,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-05-20 05:44:17,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:44:17,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-05-20 05:44:17,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=5040, Unknown=0, NotChecked=0, Total=5852 [2023-05-20 05:44:17,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:17,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:44:17,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.974025974025974) internal successors, (383), 77 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:17,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:17,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 05:44:17,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 05:44:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 05:44:19,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-20 05:44:19,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:44:19,457 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:44:19,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:44:19,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1092592908, now seen corresponding path program 17 times [2023-05-20 05:44:19,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:44:19,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693100020] [2023-05-20 05:44:19,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:44:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:44:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:44:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 80 proven. 251 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 05:44:20,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:44:20,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693100020] [2023-05-20 05:44:20,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693100020] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:44:20,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747413788] [2023-05-20 05:44:20,085 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 05:44:20,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:44:20,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:44:20,086 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:44:20,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-20 05:44:20,291 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-20 05:44:20,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:44:20,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-20 05:44:20,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:44:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 111 proven. 220 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 05:44:21,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:44:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 154 proven. 177 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 05:44:22,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747413788] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 05:44:22,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 05:44:22,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2023-05-20 05:44:22,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155506684] [2023-05-20 05:44:22,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 05:44:22,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-20 05:44:22,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 05:44:22,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-20 05:44:22,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=4590, Unknown=0, NotChecked=0, Total=5402 [2023-05-20 05:44:22,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:22,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 05:44:22,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.486486486486487) internal successors, (406), 74 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 05:44:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 05:44:22,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 05:44:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 05:44:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 05:44:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 05:44:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-05-20 05:44:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 05:44:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 05:44:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-20 05:44:23,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-05-20 05:44:23,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:44:23,697 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 05:44:23,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 05:44:23,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1448576016, now seen corresponding path program 18 times [2023-05-20 05:44:23,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 05:44:23,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931515650] [2023-05-20 05:44:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 05:44:23,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 05:44:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 05:44:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 23 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 05:44:35,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 05:44:35,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931515650] [2023-05-20 05:44:35,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931515650] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 05:44:35,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803923461] [2023-05-20 05:44:35,209 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 05:44:35,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 05:44:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 05:44:35,215 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 05:44:35,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-20 05:44:35,591 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-20 05:44:35,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 05:44:35,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 288 conjunts are in the unsatisfiable core [2023-05-20 05:44:35,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 05:44:37,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:37,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 05:44:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,444 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,444 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 05:44:44,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 05:44:44,458 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 05:44:44,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 105 treesize of output 42 [2023-05-20 05:44:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 43 proven. 224 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-20 05:44:44,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 05:44:56,796 INFO L356 Elim1Store]: treesize reduction 294, result has 56.3 percent of original size [2023-05-20 05:44:56,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 270 treesize of output 516 [2023-05-20 05:44:57,313 INFO L356 Elim1Store]: treesize reduction 210, result has 63.6 percent of original size [2023-05-20 05:44:57,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 113 treesize of output 390 [2023-05-20 05:44:58,031 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-20 05:44:58,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-20 05:44:58,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-05-20 05:44:58,233 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-20 05:44:58,236 INFO L158 Benchmark]: Toolchain (without parser) took 475109.93ms. Allocated memory was 186.6MB in the beginning and 997.2MB in the end (delta: 810.5MB). Free memory was 154.5MB in the beginning and 754.8MB in the end (delta: -600.3MB). Peak memory consumption was 693.9MB. Max. memory is 8.0GB. [2023-05-20 05:44:58,236 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 05:44:58,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.14ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 154.5MB in the beginning and 242.0MB in the end (delta: -87.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-05-20 05:44:58,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.27ms. Allocated memory is still 274.7MB. Free memory was 242.0MB in the beginning and 239.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 05:44:58,238 INFO L158 Benchmark]: Boogie Preprocessor took 53.36ms. Allocated memory is still 274.7MB. Free memory was 239.4MB in the beginning and 237.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 05:44:58,238 INFO L158 Benchmark]: RCFGBuilder took 782.14ms. Allocated memory is still 274.7MB. Free memory was 237.8MB in the beginning and 203.2MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-05-20 05:44:58,239 INFO L158 Benchmark]: TraceAbstraction took 473953.59ms. Allocated memory was 274.7MB in the beginning and 997.2MB in the end (delta: 722.5MB). Free memory was 202.2MB in the beginning and 754.8MB in the end (delta: -552.6MB). Peak memory consumption was 655.4MB. Max. memory is 8.0GB. [2023-05-20 05:44:58,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 261.14ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 154.5MB in the beginning and 242.0MB in the end (delta: -87.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.27ms. Allocated memory is still 274.7MB. Free memory was 242.0MB in the beginning and 239.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.36ms. Allocated memory is still 274.7MB. Free memory was 239.4MB in the beginning and 237.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 782.14ms. Allocated memory is still 274.7MB. Free memory was 237.8MB in the beginning and 203.2MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 473953.59ms. Allocated memory was 274.7MB in the beginning and 997.2MB in the end (delta: 722.5MB). Free memory was 202.2MB in the beginning and 754.8MB in the end (delta: -552.6MB). Peak memory consumption was 655.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-20 05:44:58,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 05:44:58,648 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 [2023-05-20 05:44:58,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...