/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSmt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 16:21:37,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 16:21:37,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 16:21:37,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 16:21:37,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 16:21:37,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 16:21:37,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 16:21:37,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 16:21:37,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 16:21:37,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 16:21:37,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 16:21:37,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 16:21:37,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 16:21:37,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 16:21:37,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 16:21:37,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 16:21:37,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 16:21:37,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 16:21:37,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 16:21:37,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 16:21:37,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 16:21:37,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 16:21:37,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 16:21:37,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 16:21:37,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-10 16:21:37,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-10 16:21:37,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-10 16:21:37,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-10 16:21:37,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-10 16:21:37,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-10 16:21:37,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-10 16:21:37,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-10 16:21:37,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-10 16:21:37,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-10 16:21:37,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-10 16:21:37,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-10 16:21:37,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-10 16:21:37,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-10 16:21:37,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 16:21:37,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 16:21:37,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 16:21:37,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSmt.epf [2023-01-10 16:21:37,578 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 16:21:37,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 16:21:37,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 16:21:37,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 16:21:37,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 16:21:37,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 16:21:37,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 16:21:37,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 16:21:37,580 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 16:21:37,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 16:21:37,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 16:21:37,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 16:21:37,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 16:21:37,582 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 16:21:37,583 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-10 16:21:37,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 16:21:37,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 16:21:37,583 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 16:21:37,583 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 16:21:37,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 16:21:37,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 16:21:37,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 16:21:37,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 16:21:37,784 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 16:21:37,784 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 16:21:37,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2023-01-10 16:21:38,873 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 16:21:39,027 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 16:21:39,027 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2023-01-10 16:21:39,032 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f0020b9/3ecd8913738c4f2aa5fb0956bfb59160/FLAG93e567025 [2023-01-10 16:21:39,044 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f0020b9/3ecd8913738c4f2aa5fb0956bfb59160 [2023-01-10 16:21:39,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 16:21:39,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 16:21:39,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 16:21:39,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 16:21:39,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 16:21:39,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491fe4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39, skipping insertion in model container [2023-01-10 16:21:39,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 16:21:39,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 16:21:39,188 WARN L247 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-dec-subseq.wvr.c[2924,2937] [2023-01-10 16:21:39,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 16:21:39,202 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 16:21:39,214 WARN L247 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-dec-subseq.wvr.c[2924,2937] [2023-01-10 16:21:39,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 16:21:39,223 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 16:21:39,223 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 16:21:39,227 INFO L208 MainTranslator]: Completed translation [2023-01-10 16:21:39,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39 WrapperNode [2023-01-10 16:21:39,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 16:21:39,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 16:21:39,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 16:21:39,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 16:21:39,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,253 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 196 [2023-01-10 16:21:39,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 16:21:39,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 16:21:39,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 16:21:39,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 16:21:39,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 16:21:39,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 16:21:39,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 16:21:39,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 16:21:39,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (1/1) ... [2023-01-10 16:21:39,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 16:21:39,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:21:39,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-10 16:21:39,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-10 16:21:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 16:21:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 16:21:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 16:21:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 16:21:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 16:21:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 16:21:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 16:21:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 16:21:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 16:21:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 16:21:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 16:21:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 16:21:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 16:21:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 16:21:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 16:21:39,324 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 16:21:39,449 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 16:21:39,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 16:21:39,702 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 16:21:39,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 16:21:39,749 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-01-10 16:21:39,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:21:39 BoogieIcfgContainer [2023-01-10 16:21:39,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 16:21:39,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 16:21:39,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 16:21:39,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 16:21:39,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:21:39" (1/3) ... [2023-01-10 16:21:39,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357d179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:21:39, skipping insertion in model container [2023-01-10 16:21:39,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:21:39" (2/3) ... [2023-01-10 16:21:39,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357d179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:21:39, skipping insertion in model container [2023-01-10 16:21:39,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:21:39" (3/3) ... [2023-01-10 16:21:39,756 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2023-01-10 16:21:39,761 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 16:21:39,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 16:21:39,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 16:21:39,768 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 16:21:39,823 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-10 16:21:39,865 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 16:21:39,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 16:21:39,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:21:39,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 16:21:39,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-01-10 16:21:39,946 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 16:21:39,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 16:21:39,956 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;@4b8fa36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 16:21:39,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 16:21:40,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:21:40,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:21:40,173 INFO L85 PathProgramCache]: Analyzing trace with hash 117652014, now seen corresponding path program 1 times [2023-01-10 16:21:40,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:21:40,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665175749] [2023-01-10 16:21:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:21:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-10 16:21:40,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:21:40,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665175749] [2023-01-10 16:21:40,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665175749] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 16:21:40,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 16:21:40,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 16:21:40,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98748607] [2023-01-10 16:21:40,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 16:21:40,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 16:21:40,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:21:40,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 16:21:40,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 16:21:40,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:21:40,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.0) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 16:21:40,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 16:21:40,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:21:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:21:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash -656317986, now seen corresponding path program 1 times [2023-01-10 16:21:40,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:21:40,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128757771] [2023-01-10 16:21:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:40,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:21:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 16:21:40,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:21:40,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128757771] [2023-01-10 16:21:40,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128757771] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 16:21:40,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 16:21:40,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-01-10 16:21:40,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407987421] [2023-01-10 16:21:40,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 16:21:40,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-10 16:21:40,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:21:40,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-10 16:21:40,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-01-10 16:21:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:21:40,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 16:21:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:40,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:40,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 16:21:40,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:21:40,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:21:40,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1640780207, now seen corresponding path program 1 times [2023-01-10 16:21:40,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:21:40,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908944055] [2023-01-10 16:21:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:40,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:21:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-10 16:21:41,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:21:41,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908944055] [2023-01-10 16:21:41,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908944055] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 16:21:41,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 16:21:41,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-01-10 16:21:41,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053090084] [2023-01-10 16:21:41,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 16:21:41,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 16:21:41,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:21:41,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 16:21:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-01-10 16:21:41,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:41,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:21:41,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 16:21:41,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:41,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:41,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 16:21:41,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-10 16:21:41,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:21:41,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:21:41,245 INFO L85 PathProgramCache]: Analyzing trace with hash -204367741, now seen corresponding path program 1 times [2023-01-10 16:21:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:21:41,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135471598] [2023-01-10 16:21:41,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:41,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:21:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-10 16:21:41,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:21:41,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135471598] [2023-01-10 16:21:41,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135471598] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:21:41,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777393038] [2023-01-10 16:21:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:41,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:21:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:21:41,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 16:21:41,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-10 16:21:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:41,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-10 16:21:41,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:21:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-10 16:21:41,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:21:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-10 16:21:42,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777393038] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 16:21:42,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 16:21:42,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2023-01-10 16:21:42,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38645505] [2023-01-10 16:21:42,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 16:21:42,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-01-10 16:21:42,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:21:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-01-10 16:21:42,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2023-01-10 16:21:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:42,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:21:42,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.125) internal successors, (339), 24 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 16:21:42,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:42,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:42,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 16:21:42,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 16:21:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 16:21:42,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-01-10 16:21:42,777 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 [2023-01-10 16:21:42,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:21:42,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:21:42,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1676268228, now seen corresponding path program 2 times [2023-01-10 16:21:42,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:21:42,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450779305] [2023-01-10 16:21:42,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:42,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:21:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-01-10 16:21:42,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:21:42,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450779305] [2023-01-10 16:21:42,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450779305] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:21:42,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91842677] [2023-01-10 16:21:42,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 16:21:42,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:21:42,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:21:42,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 16:21:42,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-10 16:21:43,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 16:21:43,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 16:21:43,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 7 conjunts are in the unsatisfiable core [2023-01-10 16:21:43,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:21:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-01-10 16:21:43,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:21:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-01-10 16:21:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91842677] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 16:21:43,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 16:21:43,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-01-10 16:21:43,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999623704] [2023-01-10 16:21:43,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 16:21:43,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-01-10 16:21:43,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 16:21:43,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-01-10 16:21:43,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-01-10 16:21:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:43,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 16:21:43,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 20.76923076923077) internal successors, (270), 13 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-10 16:21:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-01-10 16:21:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 16:21:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 16:21:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-10 16:21:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-01-10 16:21:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 16:21:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-10 16:21:43,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-01-10 16:21:44,128 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 [2023-01-10 16:21:44,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 16:21:44,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 16:21:44,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1296534384, now seen corresponding path program 3 times [2023-01-10 16:21:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 16:21:44,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251175548] [2023-01-10 16:21:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 16:21:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 16:21:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 16:21:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-10 16:21:44,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 16:21:44,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251175548] [2023-01-10 16:21:44,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251175548] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 16:21:44,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731702592] [2023-01-10 16:21:44,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 16:21:44,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 16:21:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 16:21:44,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 16:21:44,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-10 16:21:44,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-10 16:21:44,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 16:21:44,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 105 conjunts are in the unsatisfiable core [2023-01-10 16:21:44,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 16:21:46,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 16:21:46,395 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 [2023-01-10 16:21:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 16:21:46,501 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 [2023-01-10 16:21:48,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 16:21:48,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 16:21:48,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 16:21:48,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 16:21:48,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 16:21:48,660 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 16:21:48,670 INFO L321 Elim1Store]: treesize reduction 32, result has 17.9 percent of original size [2023-01-10 16:21:48,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 22 [2023-01-10 16:21:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-10 16:21:48,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 16:21:59,469 WARN L222 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-01-10 16:22:01,260 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((~i~0 Int) (v_ArrVal_148 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_148))) (let ((.cse7 (select .cse6 c_~A~0.base)) (.cse8 (* ~i~0 4))) (let ((.cse0 (select .cse7 (+ c_~A~0.offset .cse8))) (.cse1 (select .cse7 (+ c_~A~0.offset .cse8 4)))) (or (< (+ 2 ~i~0) c_~N~0) (< .cse0 .cse1) (forall ((~end~0 Int)) (let ((.cse2 (+ ~end~0 1))) (or (<= c_~n~0 .cse2) (forall ((~queue~0.base Int)) (let ((.cse4 (* ~end~0 4)) (.cse3 (select .cse6 ~queue~0.base))) (or (not (= (select .cse3 (+ c_~queue~0.offset .cse4)) .cse0)) (not (= .cse1 (select .cse3 (+ c_~queue~0.offset .cse4 4)))) (forall ((~start~0 Int)) (or (< ~start~0 0) (<= .cse2 ~start~0) (let ((.cse5 (* ~start~0 4))) (< (select .cse3 (+ c_~queue~0.offset .cse5 4)) (+ (select .cse3 (+ c_~queue~0.offset .cse5)) 1))))))))))) (<= c_~N~0 (+ ~i~0 1))))))) (forall ((~i~0 Int) (v_ArrVal_148 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_148))) (let ((.cse15 (select .cse14 c_~A~0.base)) (.cse16 (* ~i~0 4))) (let ((.cse9 (select .cse15 (+ c_~A~0.offset .cse16))) (.cse10 (select .cse15 (+ c_~A~0.offset .cse16 4)))) (or (< (+ 2 ~i~0) c_~N~0) (< .cse9 .cse10) (<= c_~N~0 (+ ~i~0 1)) (forall ((~end~0 Int)) (let ((.cse11 (+ ~end~0 1))) (or (<= c_~n~0 .cse11) (forall ((~queue~0.base Int)) (let ((.cse12 (select .cse14 ~queue~0.base)) (.cse13 (* ~end~0 4))) (or (forall ((~start~0 Int)) (or (< ~start~0 0) (<= .cse11 ~start~0) (<= (select .cse12 (+ c_~queue~0.offset (* ~start~0 4))) c_~v_old~0))) (not (= (select .cse12 (+ c_~queue~0.offset .cse13)) .cse9)) (not (= .cse10 (select .cse12 (+ c_~queue~0.offset .cse13 4))))))))))))))) (or (forall ((~end~0 Int) (~queue~0.base Int) (~i~0 Int) (v_ArrVal_148 (Array Int Int))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_148))) (let ((.cse22 (select .cse21 c_~A~0.base)) (.cse23 (* ~i~0 4))) (let ((.cse17 (select .cse22 (+ c_~A~0.offset .cse23))) (.cse18 (select .cse22 (+ c_~A~0.offset .cse23 4))) (.cse19 (select .cse21 ~queue~0.base)) (.cse20 (* ~end~0 4))) (or (< (+ 2 ~i~0) c_~N~0) (< .cse17 .cse18) (<= c_~N~0 (+ ~i~0 1)) (< ~end~0 0) (not (= (select .cse19 (+ c_~queue~0.offset .cse20)) .cse17)) (<= c_~n~0 (+ ~end~0 1)) (not (= .cse18 (select .cse19 (+ c_~queue~0.offset .cse20 4))))))))) (not (= (mod c_~ok~0 256) 0)))) is different from false [2023-01-10 16:22:02,853 WARN L837 $PredicateComparison]: unable to prove that (and (or (not (= (mod c_~ok~0 256) 0)) (forall ((~end~0 Int) (~queue~0.base Int) (~i~0 Int) (v_ArrVal_148 (Array Int Int)) (v_ArrVal_147 (Array Int Int))) (let ((.cse6 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_147) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_148))) (let ((.cse4 (select .cse6 c_~A~0.base)) (.cse5 (* ~i~0 4))) (let ((.cse2 (select .cse4 (+ c_~A~0.offset .cse5))) (.cse0 (select .cse6 ~queue~0.base)) (.cse1 (* ~end~0 4)) (.cse3 (select .cse4 (+ c_~A~0.offset .cse5 4)))) (or (< (+ 2 ~i~0) c_~N~0) (<= c_~N~0 (+ ~i~0 1)) (not (= (select .cse0 (+ c_~queue~0.offset .cse1)) .cse2)) (< ~end~0 0) (<= c_~n~0 (+ ~end~0 1)) (< .cse2 .cse3) (not (= (select .cse0 (+ c_~queue~0.offset .cse1 4)) .cse3)))))))) (forall ((~end~0 Int) (~queue~0.base Int) (~start~0 Int) (~i~0 Int) (v_ArrVal_148 (Array Int Int)) (v_ArrVal_147 (Array Int Int))) (let ((.cse12 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_147) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_148))) (let ((.cse13 (select .cse12 c_~A~0.base)) (.cse14 (* ~i~0 4))) (let ((.cse10 (+ ~end~0 1)) (.cse9 (select .cse13 (+ c_~A~0.offset .cse14))) (.cse8 (* ~end~0 4)) (.cse11 (select .cse13 (+ c_~A~0.offset .cse14 4))) (.cse7 (select .cse12 ~queue~0.base))) (or (< ~start~0 0) (< (+ 2 ~i~0) c_~N~0) (<= c_~N~0 (+ ~i~0 1)) (not (= (select .cse7 (+ c_~queue~0.offset .cse8)) .cse9)) (<= .cse10 ~start~0) (<= c_~n~0 .cse10) (< .cse9 .cse11) (not (= (select .cse7 (+ c_~queue~0.offset .cse8 4)) .cse11)) (< (select .cse7 (+ c_~queue~0.offset (* ~start~0 4))) (+ |c_ULTIMATE.start_main_#t~mem14#1| 1))))))) (forall ((~end~0 Int) (~queue~0.base Int) (~start~0 Int) (~i~0 Int) (v_ArrVal_148 (Array Int Int)) (v_ArrVal_147 (Array Int Int))) (let ((.cse23 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_147) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_148))) (let ((.cse21 (select .cse23 c_~A~0.base)) (.cse22 (* ~i~0 4))) (let ((.cse18 (+ ~end~0 1)) (.cse17 (select .cse21 (+ c_~A~0.offset .cse22))) (.cse15 (select .cse23 ~queue~0.base)) (.cse16 (* ~end~0 4)) (.cse20 (select .cse21 (+ c_~A~0.offset .cse22 4)))) (or (< ~start~0 0) (< (+ 2 ~i~0) c_~N~0) (<= c_~N~0 (+ ~i~0 1)) (not (= (select .cse15 (+ c_~queue~0.offset .cse16)) .cse17)) (<= .cse18 ~start~0) (<= c_~n~0 .cse18) (let ((.cse19 (* ~start~0 4))) (< (select .cse15 (+ c_~queue~0.offset .cse19 4)) (+ (select .cse15 (+ c_~queue~0.offset .cse19)) 1))) (< .cse17 .cse20) (not (= (select .cse15 (+ c_~queue~0.offset .cse16 4)) .cse20)))))))) is different from false [2023-01-10 16:22:04,794 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:04,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 6193 treesize of output 7154 [2023-01-10 16:22:05,705 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:05,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2689 treesize of output 2569 [2023-01-10 16:22:06,097 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:06,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2443 treesize of output 2446 [2023-01-10 16:22:06,433 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:06,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2320 treesize of output 2270 [2023-01-10 16:22:06,763 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:06,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2203 treesize of output 2036 [2023-01-10 16:22:07,157 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:07,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1969 treesize of output 2024 [2023-01-10 16:22:07,625 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-10 16:22:07,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1839 treesize of output 1764 Received shutdown request... [2023-01-10 16:35:58,923 WARN L238 SmtUtils]: Removed 2 from assertion stack [2023-01-10 16:35:58,925 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 16:35:58,928 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 16:35:58,929 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 16:35:58,929 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 16:35:58,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-10 16:35:59,129 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 [2023-01-10 16:35:59,130 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 20ms.. [2023-01-10 16:35:59,165 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-01-10 16:35:59,166 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2023-01-10 16:35:59,167 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 16:35:59,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 16:35:59,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:35:59 BasicIcfg [2023-01-10 16:35:59,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 16:35:59,169 INFO L158 Benchmark]: Toolchain (without parser) took 860122.16ms. Allocated memory was 288.4MB in the beginning and 1.1GB in the end (delta: 816.8MB). Free memory was 238.6MB in the beginning and 778.8MB in the end (delta: -540.2MB). Peak memory consumption was 672.6MB. Max. memory is 8.0GB. [2023-01-10 16:35:59,169 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 16:35:59,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.57ms. Allocated memory is still 288.4MB. Free memory was 238.6MB in the beginning and 227.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-01-10 16:35:59,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.88ms. Allocated memory is still 288.4MB. Free memory was 227.0MB in the beginning and 224.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 16:35:59,170 INFO L158 Benchmark]: Boogie Preprocessor took 20.48ms. Allocated memory is still 288.4MB. Free memory was 224.9MB in the beginning and 222.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 16:35:59,170 INFO L158 Benchmark]: RCFGBuilder took 475.98ms. Allocated memory is still 288.4MB. Free memory was 222.8MB in the beginning and 197.1MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-01-10 16:35:59,170 INFO L158 Benchmark]: TraceAbstraction took 859417.15ms. Allocated memory was 288.4MB in the beginning and 1.1GB in the end (delta: 816.8MB). Free memory was 196.1MB in the beginning and 778.8MB in the end (delta: -582.7MB). Peak memory consumption was 629.6MB. Max. memory is 8.0GB. [2023-01-10 16:35:59,171 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 183.5MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 179.57ms. Allocated memory is still 288.4MB. Free memory was 238.6MB in the beginning and 227.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.88ms. Allocated memory is still 288.4MB. Free memory was 227.0MB in the beginning and 224.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.48ms. Allocated memory is still 288.4MB. Free memory was 224.9MB in the beginning and 222.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 475.98ms. Allocated memory is still 288.4MB. Free memory was 222.8MB in the beginning and 197.1MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 859417.15ms. Allocated memory was 288.4MB in the beginning and 1.1GB in the end (delta: 816.8MB). Free memory was 196.1MB in the beginning and 778.8MB in the end (delta: -582.7MB). Peak memory consumption was 629.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 231, independent: 153, independent conditional: 153, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1639, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 591, dependent conditional: 591, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 18, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 309, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1077, independent: 745, independent conditional: 0, independent unconditional: 745, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 77, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 231, independent: 153, independent conditional: 153, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1639, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 591, dependent conditional: 591, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 18, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 309, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1077, independent: 745, independent conditional: 0, independent unconditional: 745, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 154, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 234, independent: 153, independent conditional: 153, independent unconditional: 0, dependent: 81, dependent conditional: 81, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1639, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 591, dependent conditional: 591, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 18, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 309, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1077, independent: 745, independent conditional: 0, independent unconditional: 745, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 234, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 253, independent: 165, independent conditional: 165, independent unconditional: 0, dependent: 88, dependent conditional: 88, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1639, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 591, dependent conditional: 591, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 18, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 309, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1077, independent: 745, independent conditional: 0, independent unconditional: 745, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 321, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 256, independent: 165, independent conditional: 165, independent unconditional: 0, dependent: 91, dependent conditional: 91, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1639, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 591, dependent conditional: 591, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 18, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 309, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1077, independent: 745, independent conditional: 0, independent unconditional: 745, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 411, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 434, independent: 259, independent conditional: 259, independent unconditional: 0, dependent: 175, dependent conditional: 175, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1639, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 591, dependent conditional: 591, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1059, independent: 1048, independent conditional: 1048, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 18, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1077, independent: 1048, independent conditional: 0, independent unconditional: 1048, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 309, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 309, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1077, independent: 745, independent conditional: 0, independent unconditional: 745, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 309, unknown conditional: 0, unknown unconditional: 309] , Statistics on independence cache: Total cache size (in pairs): 309, Positive cache size: 303, Positive conditional cache size: 0, Positive unconditional cache size: 303, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 3, Independence queries for same thread: 580, Statistics for Abstraction: - StatisticsResult: Traversal Statistics Data States: 228, Transitions: 249, Traversal time: 198275906.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 8 - StatisticsResult: Traversal Statistics Data States: 228, Transitions: 255, Traversal time: 26922358.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 8 - StatisticsResult: Traversal Statistics Data States: 235, Transitions: 262, Traversal time: 137379088.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 8 - StatisticsResult: Traversal Statistics Data States: 251, Transitions: 278, Traversal time: 119351268.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 8 - StatisticsResult: Traversal Statistics Data States: 259, Transitions: 286, Traversal time: 328179478.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 8 - StatisticsResult: Traversal Statistics Data States: 308, Transitions: 346, Traversal time: 243561384.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 12 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 20ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 188 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 859238228508.0ns, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1107492696.0ns, FeasibilityCheckTime: 857414125068.0ns, RefinementTime: 31029756.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 16944819.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1033 SdHoareTripleChecker+Valid, 358751554.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1033 mSDsluCounter, 3576 SdHoareTripleChecker+Invalid, 295653213.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2813 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 698 IncrementalHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 763 mSDtfsCounter, 698 mSolverCounterSat, 20503862.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 62830386.0ns SsaConstructionTime, 400028110.0ns SatisfiabilityAnalysisTime, 1916974772.0ns InterpolantComputationTime, 1068 NumberOfCodeBlocks, 1068 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1385 ConstructedInterpolants, 0 QuantifiedInterpolants, 4228 SizeOfPredicates, 13 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 106/118 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