/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 12:55:46,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 12:55:46,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 12:55:46,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 12:55:46,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 12:55:46,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 12:55:46,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 12:55:46,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 12:55:46,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 12:55:46,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 12:55:46,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 12:55:46,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 12:55:46,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 12:55:46,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 12:55:46,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 12:55:46,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 12:55:46,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 12:55:46,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 12:55:46,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 12:55:46,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 12:55:46,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 12:55:46,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 12:55:46,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 12:55:46,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 12:55:46,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-10 12:55:46,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 12:55:46,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 12:55:46,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 12:55:46,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 12:55:46,089 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 12:55:46,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 12:55:46,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 12:55:46,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 12:55:46,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 12:55:46,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 12:55:46,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 12:55:46,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 12:55:46,091 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 12:55:46,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 12:55:46,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 12:55:46,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 12:55:46,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 12:55:46,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 12:55:46,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 12:55:46,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 12:55:46,094 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 12:55:46,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 12:55:46,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 12:55:46,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 12:55:46,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 12:55:46,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 12:55:46,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 12:55:46,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 12:55:46,299 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 12:55:46,300 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 12:55:46,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2023-01-10 12:55:47,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 12:55:47,411 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 12:55:47,411 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2023-01-10 12:55:47,415 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9e8fbf3/e93a402a1b654409bc1f389831735d03/FLAGe61fa29ce [2023-01-10 12:55:47,425 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9e8fbf3/e93a402a1b654409bc1f389831735d03 [2023-01-10 12:55:47,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 12:55:47,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 12:55:47,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 12:55:47,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 12:55:47,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 12:55:47,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c038298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47, skipping insertion in model container [2023-01-10 12:55:47,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 12:55:47,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 12:55:47,586 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/chl-collitem-symm.wvr.c[2986,2999] [2023-01-10 12:55:47,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 12:55:47,604 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 12:55:47,634 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/chl-collitem-symm.wvr.c[2986,2999] [2023-01-10 12:55:47,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 12:55:47,645 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 12:55:47,645 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 12:55:47,649 INFO L208 MainTranslator]: Completed translation [2023-01-10 12:55:47,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47 WrapperNode [2023-01-10 12:55:47,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 12:55:47,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 12:55:47,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 12:55:47,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 12:55:47,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,696 INFO L138 Inliner]: procedures = 22, calls = 35, calls flagged for inlining = 15, calls inlined = 29, statements flattened = 262 [2023-01-10 12:55:47,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 12:55:47,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 12:55:47,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 12:55:47,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 12:55:47,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,712 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 12:55:47,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 12:55:47,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 12:55:47,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 12:55:47,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (1/1) ... [2023-01-10 12:55:47,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 12:55:47,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:55:47,762 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 12:55:47,769 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 12:55:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 12:55:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 12:55:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 12:55:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 12:55:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 12:55:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 12:55:47,800 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 12:55:47,866 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 12:55:47,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 12:55:48,173 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 12:55:48,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 12:55:48,483 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-10 12:55:48,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:55:48 BoogieIcfgContainer [2023-01-10 12:55:48,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 12:55:48,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 12:55:48,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 12:55:48,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 12:55:48,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:55:47" (1/3) ... [2023-01-10 12:55:48,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245194e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:55:48, skipping insertion in model container [2023-01-10 12:55:48,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:55:47" (2/3) ... [2023-01-10 12:55:48,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245194e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:55:48, skipping insertion in model container [2023-01-10 12:55:48,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:55:48" (3/3) ... [2023-01-10 12:55:48,490 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2023-01-10 12:55:48,495 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 12:55:48,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 12:55:48,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 12:55:48,501 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 12:55:48,552 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-10 12:55:48,585 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:55:48,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 12:55:48,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:55:48,587 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 12:55:48,589 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 12:55:48,617 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 12:55:48,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 12:55:48,625 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;@5fce9797, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:55:48,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 12:55:48,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:55:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:55:48,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1417447292, now seen corresponding path program 1 times [2023-01-10 12:55:48,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:55:48,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123923156] [2023-01-10 12:55:48,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:55:48,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:55:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:55:48,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 12:55:48,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:55:48,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123923156] [2023-01-10 12:55:48,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123923156] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 12:55:48,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 12:55:48,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 12:55:48,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30733089] [2023-01-10 12:55:48,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 12:55:48,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 12:55:48,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:55:48,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 12:55:48,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 12:55:48,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:48,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:55:48,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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 12:55:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:49,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 12:55:49,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:55:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:55:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1033663901, now seen corresponding path program 1 times [2023-01-10 12:55:49,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:55:49,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245095124] [2023-01-10 12:55:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:55:49,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:55:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:55:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 12:55:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:55:52,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245095124] [2023-01-10 12:55:52,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245095124] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 12:55:52,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 12:55:52,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-01-10 12:55:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256582045] [2023-01-10 12:55:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 12:55:52,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-01-10 12:55:52,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:55:52,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-01-10 12:55:52,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-01-10 12:55:52,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:52,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:55:52,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 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 12:55:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:55:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-01-10 12:55:53,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 12:55:53,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 12:55:53,737 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-01-10 12:55:53,738 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2023-01-10 12:55:53,742 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:55:53,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 12:55:53,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:55:53,801 INFO L229 MonitoredProcess]: Starting monitored process 3 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 12:55:53,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-01-10 12:55:53,804 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 12:55:53,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2023-01-10 12:55:53,805 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;@5fce9797, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:55:53,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 12:55:53,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-10 12:55:53,811 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 12:55:53,811 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2023-01-10 12:55:53,813 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:55:53,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 12:55:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:55:53,815 INFO L229 MonitoredProcess]: Starting monitored process 4 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 12:55:53,826 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 12:55:53,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2023-01-10 12:55:53,827 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;@5fce9797, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:55:53,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 12:55:53,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-01-10 12:55:53,834 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-01-10 12:55:53,835 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2023-01-10 12:55:53,835 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 12:55:53,835 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 12:55:53,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:55:53 BasicIcfg [2023-01-10 12:55:53,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 12:55:53,838 INFO L158 Benchmark]: Toolchain (without parser) took 6411.04ms. Allocated memory was 184.5MB in the beginning and 351.3MB in the end (delta: 166.7MB). Free memory was 157.1MB in the beginning and 209.2MB in the end (delta: -52.1MB). Peak memory consumption was 115.6MB. Max. memory is 8.0GB. [2023-01-10 12:55:53,839 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 184.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 12:55:53,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.61ms. Allocated memory is still 184.5MB. Free memory was 157.1MB in the beginning and 145.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-01-10 12:55:53,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.33ms. Allocated memory is still 184.5MB. Free memory was 145.6MB in the beginning and 142.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-01-10 12:55:53,839 INFO L158 Benchmark]: Boogie Preprocessor took 18.26ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 141.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-01-10 12:55:53,839 INFO L158 Benchmark]: RCFGBuilder took 768.99ms. Allocated memory is still 184.5MB. Free memory was 141.3MB in the beginning and 118.7MB in the end (delta: 22.6MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB. [2023-01-10 12:55:53,840 INFO L158 Benchmark]: TraceAbstraction took 5351.99ms. Allocated memory was 184.5MB in the beginning and 351.3MB in the end (delta: 166.7MB). Free memory was 118.2MB in the beginning and 209.2MB in the end (delta: -91.0MB). Peak memory consumption was 75.2MB. Max. memory is 8.0GB. [2023-01-10 12:55:53,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-01-10 12:55:53,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 184.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.61ms. Allocated memory is still 184.5MB. Free memory was 157.1MB in the beginning and 145.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.33ms. Allocated memory is still 184.5MB. Free memory was 145.6MB in the beginning and 142.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.26ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 141.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 768.99ms. Allocated memory is still 184.5MB. Free memory was 141.3MB in the beginning and 118.7MB in the end (delta: 22.6MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5351.99ms. Allocated memory was 184.5MB in the beginning and 351.3MB in the end (delta: 166.7MB). Free memory was 118.2MB in the beginning and 209.2MB in the end (delta: -91.0MB). Peak memory consumption was 75.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 159, independent: 150, independent conditional: 150, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, independent: 150, independent conditional: 150, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 150, independent: 150, independent conditional: 150, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 150, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 150, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 150, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 54, unknown conditional: 0, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 9 - StatisticsResult: Traversal Statistics Data States: 103, Transitions: 102, Traversal time: 25305570.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 103, Transitions: 105, Traversal time: 43228121.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 181, Transitions: 184, Traversal time: 1520826951.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 24 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Traversal Statistics Data States: 65, Transitions: 64, Traversal time: 4148548.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 0 - StatisticsResult: Traversal Statistics Data States: 89, Transitions: 88, Traversal time: 5430677.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 5 - PositiveResult [Line: 87]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5136343791.0ns, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1636691246.0ns, FeasibilityCheckTime: 3438544767.0ns, RefinementTime: 23933120.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 12462096.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 196641871.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 779 SdHoareTripleChecker+Invalid, 150466643.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 588 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 191 mSDtfsCounter, 148 mSolverCounterSat, 10878541.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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: 15676348.0ns SsaConstructionTime, 259231347.0ns SatisfiabilityAnalysisTime, 3059773168.0ns InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 1232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8150608.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 4392291.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1660848.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9510194.0ns, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 6097986.0ns, FeasibilityCheckTime: 0.0ns, RefinementTime: 0.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 1243896.0ns, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-01-10 12:55:53,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2023-01-10 12:55:54,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2023-01-10 12:55:54,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-10 12:55:54,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...