/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 20:50:16,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 20:50:16,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 20:50:16,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-14 20:50:16,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-14 20:50:16,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-14 20:50:16,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-14 20:50:16,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-14 20:50:16,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-14 20:50:16,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-14 20:50:16,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-14 20:50:16,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-14 20:50:16,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 20:50:16,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 20:50:16,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 20:50:16,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 20:50:16,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 20:50:16,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 20:50:16,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 20:50:16,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 20:50:16,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 20:50:16,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 20:50:16,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 20:50:16,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 20:50:16,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 20:50:16,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 20:50:16,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 20:50:16,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 20:50:16,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 20:50:16,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-14 20:50:16,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-14 20:50:16,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-14 20:50:16,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-14 20:50:16,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-14 20:50:16,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-14 20:50:16,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-14 20:50:16,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-14 20:50:16,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-14 20:50:16,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 20:50:16,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 20:50:16,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 20:50:16,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 20:50:16,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 20:50:16,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 20:50:16,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 20:50:16,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 20:50:16,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 20:50:16,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 20:50:16,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 20:50:16,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 20:50:16,152 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 20:50:16,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 20:50:16,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 20:50:16,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 20:50:16,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 20:50:16,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 20:50:16,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 20:50:16,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 20:50:16,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 20:50:16,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 20:50:16,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 20:50:16,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 20:50:16,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 20:50:16,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 20:50:16,155 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 20:50:16,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 20:50:16,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 20:50:16,156 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 20:50:16,156 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 20:50:16,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 20:50:16,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 20:50:16,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 20:50:16,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 20:50:16,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 20:50:16,370 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 20:50:16,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2022-11-14 20:50:16,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e6aa108/f7aad5d4e8a8476fbce8ca3e4a4c8e1f/FLAG6f2536899 [2022-11-14 20:50:16,789 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 20:50:16,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2022-11-14 20:50:16,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e6aa108/f7aad5d4e8a8476fbce8ca3e4a4c8e1f/FLAG6f2536899 [2022-11-14 20:50:17,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e6aa108/f7aad5d4e8a8476fbce8ca3e4a4c8e1f [2022-11-14 20:50:17,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 20:50:17,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 20:50:17,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 20:50:17,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 20:50:17,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 20:50:17,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2541eb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17, skipping insertion in model container [2022-11-14 20:50:17,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 20:50:17,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 20:50:17,383 WARN L233 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-buffer-series2.wvr.c[4232,4245] [2022-11-14 20:50:17,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 20:50:17,392 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 20:50:17,412 WARN L233 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-buffer-series2.wvr.c[4232,4245] [2022-11-14 20:50:17,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 20:50:17,425 INFO L208 MainTranslator]: Completed translation [2022-11-14 20:50:17,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17 WrapperNode [2022-11-14 20:50:17,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 20:50:17,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 20:50:17,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 20:50:17,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 20:50:17,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,461 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 394 [2022-11-14 20:50:17,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 20:50:17,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 20:50:17,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 20:50:17,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 20:50:17,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,482 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 20:50:17,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 20:50:17,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 20:50:17,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 20:50:17,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (1/1) ... [2022-11-14 20:50:17,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 20:50:17,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:50:17,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-14 20:50:17,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-14 20:50:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-14 20:50:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-14 20:50:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-14 20:50:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-14 20:50:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-14 20:50:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-14 20:50:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 20:50:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 20:50:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 20:50:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-14 20:50:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 20:50:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 20:50:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 20:50:17,542 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-14 20:50:17,681 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 20:50:17,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 20:50:18,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 20:50:18,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 20:50:18,390 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-14 20:50:18,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:50:18 BoogieIcfgContainer [2022-11-14 20:50:18,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 20:50:18,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 20:50:18,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 20:50:18,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 20:50:18,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:50:17" (1/3) ... [2022-11-14 20:50:18,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49112949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:50:18, skipping insertion in model container [2022-11-14 20:50:18,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:50:17" (2/3) ... [2022-11-14 20:50:18,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49112949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:50:18, skipping insertion in model container [2022-11-14 20:50:18,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:50:18" (3/3) ... [2022-11-14 20:50:18,399 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2022-11-14 20:50:18,405 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 20:50:18,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 20:50:18,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-14 20:50:18,411 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 20:50:18,576 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-14 20:50:18,617 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:50:18,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 20:50:18,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:50:18,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 20:50:18,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-14 20:50:18,669 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 20:50:18,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-11-14 20:50:18,687 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;@af5e842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 20:50:18,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-14 20:50:18,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:18,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1886231601, now seen corresponding path program 1 times [2022-11-14 20:50:18,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:18,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224308246] [2022-11-14 20:50:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:18,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:50:19,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:19,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224308246] [2022-11-14 20:50:19,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224308246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:50:19,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:50:19,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 20:50:19,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269966197] [2022-11-14 20:50:19,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:50:19,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-14 20:50:19,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:50:19,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-14 20:50:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-14 20:50:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:19,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:50:19,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:50:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:19,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 20:50:19,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:19,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:19,226 INFO L85 PathProgramCache]: Analyzing trace with hash 785802287, now seen corresponding path program 1 times [2022-11-14 20:50:19,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:19,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825095130] [2022-11-14 20:50:19,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:19,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 20:50:19,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:19,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825095130] [2022-11-14 20:50:19,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825095130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:50:19,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:50:19,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-14 20:50:19,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875743156] [2022-11-14 20:50:19,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:50:19,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-14 20:50:19,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:50:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-14 20:50:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-14 20:50:19,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:19,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:50:19,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:50:19,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:19,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:21,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:21,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:21,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 20:50:21,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:21,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:21,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1891129231, now seen corresponding path program 1 times [2022-11-14 20:50:21,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:21,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928586020] [2022-11-14 20:50:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:21,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:22,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:22,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928586020] [2022-11-14 20:50:22,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928586020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 20:50:22,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 20:50:22,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-14 20:50:22,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470510536] [2022-11-14 20:50:22,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 20:50:22,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-14 20:50:22,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:50:22,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-14 20:50:22,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-14 20:50:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:22,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:50:22,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.375) internal successors, (155), 8 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:50:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:22,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:22,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 20:50:22,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:22,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:22,560 INFO L85 PathProgramCache]: Analyzing trace with hash 895401745, now seen corresponding path program 1 times [2022-11-14 20:50:22,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:22,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875218591] [2022-11-14 20:50:22,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:22,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:23,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:23,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875218591] [2022-11-14 20:50:23,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875218591] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:50:23,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93754819] [2022-11-14 20:50:23,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:23,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:50:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:50:23,369 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) [2022-11-14 20:50:23,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-14 20:50:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:23,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-14 20:50:23,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:50:24,114 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-11-14 20:50:24,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:24,308 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:24,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:24,356 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:24,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:50:24,703 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:50:24,703 INFO L350 Elim1Store]: Elim1 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 29 treesize of output 30 [2022-11-14 20:50:24,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:50:24,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 80 treesize of output 76 [2022-11-14 20:50:24,719 INFO L350 Elim1Store]: Elim1 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 60 treesize of output 48 [2022-11-14 20:50:24,726 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 20 [2022-11-14 20:50:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:25,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93754819] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:50:25,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:50:25,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2022-11-14 20:50:25,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494910334] [2022-11-14 20:50:25,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:50:25,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-14 20:50:25,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:50:25,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-14 20:50:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1214, Unknown=29, NotChecked=0, Total=1406 [2022-11-14 20:50:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:25,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:50:25,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 9.216216216216216) internal successors, (341), 38 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:50:25,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:25,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:25,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:25,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:50:27,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-14 20:50:27,312 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,SelfDestructingSolverStorable3 [2022-11-14 20:50:27,312 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1127066511, now seen corresponding path program 1 times [2022-11-14 20:50:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:27,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629129423] [2022-11-14 20:50:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:27,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:27,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629129423] [2022-11-14 20:50:27,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629129423] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:50:27,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50798312] [2022-11-14 20:50:27,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:27,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:50:27,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:50:27,560 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) [2022-11-14 20:50:27,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-14 20:50:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:27,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-14 20:50:27,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:50:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:27,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:50:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:28,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50798312] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:50:28,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:50:28,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-11-14 20:50:28,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304136078] [2022-11-14 20:50:28,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:50:28,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-14 20:50:28,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:50:28,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-14 20:50:28,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-14 20:50:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:28,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:50:28,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.0) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:50:28,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:28,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:28,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:28,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:50:28,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:29,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:50:29,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-14 20:50:29,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-14 20:50:29,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:50:29,793 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:29,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:29,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1238538568, now seen corresponding path program 1 times [2022-11-14 20:50:29,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:29,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024031830] [2022-11-14 20:50:29,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:29,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:30,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:30,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024031830] [2022-11-14 20:50:30,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024031830] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:50:30,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883466350] [2022-11-14 20:50:30,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:50:30,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:50:30,641 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) [2022-11-14 20:50:30,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-14 20:50:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:30,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-14 20:50:30,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:50:31,522 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-11-14 20:50:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:31,792 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:31,854 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:31,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:31,915 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:31,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:50:31,947 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_201 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_201) c_~f~0.base) (+ c_~f~0.offset (* c_~j~0 4))) 2147483649)) is different from false [2022-11-14 20:50:32,173 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:50:32,174 INFO L350 Elim1Store]: Elim1 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 32 treesize of output 33 [2022-11-14 20:50:32,183 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:50:32,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 156 treesize of output 152 [2022-11-14 20:50:32,187 INFO L350 Elim1Store]: Elim1 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 136 treesize of output 112 [2022-11-14 20:50:32,193 INFO L350 Elim1Store]: Elim1 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 112 treesize of output 100 [2022-11-14 20:50:32,200 INFO L350 Elim1Store]: Elim1 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 52 treesize of output 46 [2022-11-14 20:50:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:33,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883466350] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-14 20:50:33,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-14 20:50:33,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 41 [2022-11-14 20:50:33,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227935203] [2022-11-14 20:50:33,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-14 20:50:33,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-14 20:50:33,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-14 20:50:33,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-14 20:50:33,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1415, Unknown=27, NotChecked=78, Total=1722 [2022-11-14 20:50:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:33,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 20:50:33,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 8.658536585365853) internal successors, (355), 42 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 20:50:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:50:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-14 20:50:33,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 20:50:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-14 20:50:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:50:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-14 20:50:34,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-14 20:50:34,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-14 20:50:34,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:50:34,743 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-14 20:50:34,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 20:50:34,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1656207932, now seen corresponding path program 1 times [2022-11-14 20:50:34,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-14 20:50:34,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147651947] [2022-11-14 20:50:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:34,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 20:50:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:35,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-14 20:50:35,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147651947] [2022-11-14 20:50:35,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147651947] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-14 20:50:35,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016666213] [2022-11-14 20:50:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 20:50:35,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 20:50:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 20:50:35,686 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) [2022-11-14 20:50:35,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-14 20:50:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 20:50:35,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-14 20:50:35,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-14 20:50:36,711 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-11-14 20:50:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:36,984 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:37,037 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:37,090 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-14 20:50:37,128 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-14 20:50:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-14 20:50:37,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-14 20:50:37,275 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (v_ArrVal_256 (Array Int Int)) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (< (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_256) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_257) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_259) c_~f~0.base) (+ c_~f~0.offset (* c_~j~0 4))) 2147483649)) is different from false [2022-11-14 20:50:37,312 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (v_ArrVal_256 (Array Int Int)) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (< (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_256) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_257) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_259) |c_ULTIMATE.start_main_#t~ret23#1.base|) (+ (* c_~j~0 4) |c_ULTIMATE.start_main_#t~ret23#1.offset|)) 2147483649)) is different from false [2022-11-14 20:50:37,338 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_259 (Array Int Int)) (v_ArrVal_256 (Array Int Int)) (v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (< (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_256) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_257) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_258) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_259) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* c_~j~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 2147483649)) is different from false [2022-11-14 20:50:37,385 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:50:37,386 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 36 [2022-11-14 20:50:37,402 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-14 20:50:37,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 78338 treesize of output 76294 [2022-11-14 20:50:37,685 INFO L350 Elim1Store]: Elim1 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 76278 treesize of output 74742 [2022-11-14 20:50:37,916 INFO L350 Elim1Store]: Elim1 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 74742 treesize of output 71670 [2022-11-14 20:50:38,245 INFO L350 Elim1Store]: Elim1 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 71670 treesize of output 59382 [2022-11-14 20:50:38,467 INFO L350 Elim1Store]: Elim1 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 59382 treesize of output 53238 Received shutdown request... [2022-11-14 21:04:48,700 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-11-14 21:04:48,703 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-14 21:04:48,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-14 21:04:48,723 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 21:04:48,723 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 21:04:48,724 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-14 21:04:48,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-14 21:04:48,909 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-11-14 21:04:48,911 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-14 21:04:48,911 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-14 21:04:48,911 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-14 21:04:48,911 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-14 21:04:48,911 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-14 21:04:48,916 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-14 21:04:48,917 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT,TIMEOUT (1/5) [2022-11-14 21:04:48,919 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 21:04:48,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 21:04:48,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 09:04:48 BasicIcfg [2022-11-14 21:04:48,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 21:04:48,923 INFO L158 Benchmark]: Toolchain (without parser) took 871725.04ms. Allocated memory was 201.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 171.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-11-14 21:04:48,923 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 21:04:48,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.41ms. Allocated memory was 201.3MB in the beginning and 252.7MB in the end (delta: 51.4MB). Free memory was 170.7MB in the beginning and 219.9MB in the end (delta: -49.2MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-11-14 21:04:48,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.07ms. Allocated memory is still 252.7MB. Free memory was 219.5MB in the beginning and 216.4MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-14 21:04:48,924 INFO L158 Benchmark]: Boogie Preprocessor took 24.93ms. Allocated memory is still 252.7MB. Free memory was 216.4MB in the beginning and 214.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 21:04:48,925 INFO L158 Benchmark]: RCFGBuilder took 905.74ms. Allocated memory is still 252.7MB. Free memory was 214.3MB in the beginning and 144.4MB in the end (delta: 69.9MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. [2022-11-14 21:04:48,926 INFO L158 Benchmark]: TraceAbstraction took 870526.99ms. Allocated memory was 252.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 143.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 993.7MB. Max. memory is 8.0GB. [2022-11-14 21:04:48,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.41ms. Allocated memory was 201.3MB in the beginning and 252.7MB in the end (delta: 51.4MB). Free memory was 170.7MB in the beginning and 219.9MB in the end (delta: -49.2MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.07ms. Allocated memory is still 252.7MB. Free memory was 219.5MB in the beginning and 216.4MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.93ms. Allocated memory is still 252.7MB. Free memory was 216.4MB in the beginning and 214.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 905.74ms. Allocated memory is still 252.7MB. Free memory was 214.3MB in the beginning and 144.4MB in the end (delta: 69.9MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. * TraceAbstraction took 870526.99ms. Allocated memory was 252.7MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 143.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 993.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 814173, independent: 652943, independent conditional: 647184, independent unconditional: 5759, dependent: 161230, dependent conditional: 161192, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 655095, independent: 652943, independent conditional: 647184, independent unconditional: 5759, dependent: 2152, dependent conditional: 2114, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 655095, independent: 652943, independent conditional: 647184, independent unconditional: 5759, dependent: 2152, dependent conditional: 2114, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695176, independent: 652943, independent conditional: 26782, independent unconditional: 626161, dependent: 42233, dependent conditional: 13299, dependent unconditional: 28934, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 695176, independent: 652943, independent conditional: 26782, independent unconditional: 626161, dependent: 42233, dependent conditional: 6222, dependent unconditional: 36011, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 695176, independent: 652943, independent conditional: 26782, independent unconditional: 626161, dependent: 42233, dependent conditional: 6222, dependent unconditional: 36011, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5226, independent: 5040, independent conditional: 87, independent unconditional: 4953, dependent: 186, dependent conditional: 106, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5226, independent: 4839, independent conditional: 0, independent unconditional: 4839, dependent: 387, dependent conditional: 0, dependent unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 387, independent: 201, independent conditional: 87, independent unconditional: 114, dependent: 186, dependent conditional: 106, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 387, independent: 201, independent conditional: 87, independent unconditional: 114, dependent: 186, dependent conditional: 106, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2262, independent: 1340, independent conditional: 503, independent unconditional: 837, dependent: 921, dependent conditional: 513, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 695176, independent: 647903, independent conditional: 26695, independent unconditional: 621208, dependent: 42047, dependent conditional: 6116, dependent unconditional: 35931, unknown: 5226, unknown conditional: 193, unknown unconditional: 5033] , Statistics on independence cache: Total cache size (in pairs): 5226, Positive cache size: 5040, Positive conditional cache size: 87, Positive unconditional cache size: 4953, Negative cache size: 186, Negative conditional cache size: 106, Negative unconditional cache size: 80, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7077, Maximal queried relation: 5, Independence queries for same thread: 159078 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 4592, Number of trivial persistent sets: 2214, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5797, independent: 5759, independent conditional: 0, independent unconditional: 5759, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 814173, independent: 652943, independent conditional: 647184, independent unconditional: 5759, dependent: 161230, dependent conditional: 161192, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 655095, independent: 652943, independent conditional: 647184, independent unconditional: 5759, dependent: 2152, dependent conditional: 2114, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 655095, independent: 652943, independent conditional: 647184, independent unconditional: 5759, dependent: 2152, dependent conditional: 2114, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695176, independent: 652943, independent conditional: 26782, independent unconditional: 626161, dependent: 42233, dependent conditional: 13299, dependent unconditional: 28934, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 695176, independent: 652943, independent conditional: 26782, independent unconditional: 626161, dependent: 42233, dependent conditional: 6222, dependent unconditional: 36011, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 695176, independent: 652943, independent conditional: 26782, independent unconditional: 626161, dependent: 42233, dependent conditional: 6222, dependent unconditional: 36011, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5226, independent: 5040, independent conditional: 87, independent unconditional: 4953, dependent: 186, dependent conditional: 106, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5226, independent: 4839, independent conditional: 0, independent unconditional: 4839, dependent: 387, dependent conditional: 0, dependent unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 387, independent: 201, independent conditional: 87, independent unconditional: 114, dependent: 186, dependent conditional: 106, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 387, independent: 201, independent conditional: 87, independent unconditional: 114, dependent: 186, dependent conditional: 106, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2262, independent: 1340, independent conditional: 503, independent unconditional: 837, dependent: 921, dependent conditional: 513, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 695176, independent: 647903, independent conditional: 26695, independent unconditional: 621208, dependent: 42047, dependent conditional: 6116, dependent unconditional: 35931, unknown: 5226, unknown conditional: 193, unknown unconditional: 5033] , Statistics on independence cache: Total cache size (in pairs): 5226, Positive cache size: 5040, Positive conditional cache size: 87, Positive unconditional cache size: 4953, Negative cache size: 186, Negative conditional cache size: 106, Negative unconditional cache size: 80, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7077, Maximal queried relation: 5, Independence queries for same thread: 159078 - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PartialOrderCegarLoop was analyzing trace of length 176 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread2Thread1of1ForFork2 with 1 thread instances CFG has 9 procedures, 339 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 870.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1454 NumberOfCodeBlocks, 1454 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1942 ConstructedInterpolants, 62 QuantifiedInterpolants, 17494 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 12/25 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown