/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 04:12:07,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 04:12:07,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 04:12:07,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 04:12:07,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 04:12:07,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 04:12:07,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 04:12:07,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 04:12:07,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 04:12:07,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 04:12:07,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 04:12:07,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 04:12:07,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 04:12:07,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 04:12:07,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 04:12:07,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 04:12:07,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 04:12:07,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 04:12:07,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 04:12:07,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 04:12:07,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 04:12:07,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 04:12:07,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 04:12:07,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 04:12:07,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 04:12:07,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 04:12:07,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 04:12:07,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 04:12:07,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 04:12:07,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 04:12:07,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 04:12:07,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 04:12:07,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 04:12:07,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 04:12:07,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 04:12:07,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 04:12:07,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 04:12:07,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 04:12:07,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 04:12:07,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 04:12:07,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 04:12:07,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-11-14 04:12:07,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 04:12:07,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 04:12:07,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 04:12:07,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 04:12:07,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 04:12:07,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 04:12:07,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 04:12:07,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 04:12:07,740 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 04:12:07,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 04:12:07,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 04:12:07,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 04:12:07,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 04:12:07,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 04:12:07,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 04:12:07,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 04:12:07,742 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 04:12:07,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 04:12:07,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 04:12:07,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 04:12:07,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 04:12:07,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 04:12:07,970 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 04:12:07,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2021-11-14 04:12:08,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/977a0e2ff/8c8399ad9d234747ae6be3712d9b2103/FLAGff5885e6a [2021-11-14 04:12:08,360 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 04:12:08,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2021-11-14 04:12:08,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/977a0e2ff/8c8399ad9d234747ae6be3712d9b2103/FLAGff5885e6a [2021-11-14 04:12:08,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/977a0e2ff/8c8399ad9d234747ae6be3712d9b2103 [2021-11-14 04:12:08,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 04:12:08,383 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 04:12:08,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 04:12:08,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 04:12:08,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 04:12:08,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13711a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08, skipping insertion in model container [2021-11-14 04:12:08,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 04:12:08,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 04:12:08,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-11-14 04:12:08,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 04:12:08,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 04:12:08,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-11-14 04:12:08,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 04:12:08,613 INFO L208 MainTranslator]: Completed translation [2021-11-14 04:12:08,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08 WrapperNode [2021-11-14 04:12:08,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 04:12:08,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 04:12:08,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 04:12:08,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 04:12:08,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 04:12:08,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 04:12:08,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 04:12:08,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 04:12:08,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 04:12:08,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 04:12:08,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 04:12:08,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 04:12:08,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (1/1) ... [2021-11-14 04:12:08,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 04:12:08,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 04:12:08,692 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) [2021-11-14 04:12:08,694 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 [2021-11-14 04:12:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 04:12:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 04:12:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 04:12:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 04:12:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 04:12:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 04:12:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 04:12:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 04:12:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 04:12:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 04:12:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 04:12:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 04:12:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 04:12:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 04:12:08,722 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 04:12:08,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 04:12:08,988 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 04:12:08,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:08 BoogieIcfgContainer [2021-11-14 04:12:08,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 04:12:08,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 04:12:08,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 04:12:08,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 04:12:08,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:12:08" (1/3) ... [2021-11-14 04:12:08,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494b8e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:08, skipping insertion in model container [2021-11-14 04:12:08,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:08" (2/3) ... [2021-11-14 04:12:08,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494b8e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:08, skipping insertion in model container [2021-11-14 04:12:08,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:08" (3/3) ... [2021-11-14 04:12:08,994 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2021-11-14 04:12:08,997 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 04:12:08,998 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 04:12:08,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 04:12:08,998 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 04:12:09,043 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,044 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,048 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 04:12:09,051 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-14 04:12:09,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 04:12:09,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 04:12:09,090 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) [2021-11-14 04:12:09,091 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 [2021-11-14 04:12:09,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 04:12:09,120 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 04:12:09,120 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-14 04:12:09,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 04:12:09,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 04:12:09,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1592664843, now seen corresponding path program 1 times [2021-11-14 04:12:09,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 04:12:09,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028587944] [2021-11-14 04:12:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 04:12:09,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 04:12:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 04:12:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 04:12:09,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 04:12:09,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028587944] [2021-11-14 04:12:09,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028587944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 04:12:09,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 04:12:09,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 04:12:09,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482658590] [2021-11-14 04:12:09,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 04:12:09,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 04:12:09,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 04:12:09,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 04:12:09,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 04:12:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 04:12:09,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 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) [2021-11-14 04:12:09,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 04:12:09,496 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 04:12:09,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 04:12:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1944224297, now seen corresponding path program 1 times [2021-11-14 04:12:09,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 04:12:09,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219602346] [2021-11-14 04:12:09,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 04:12:09,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 04:12:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 04:12:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 04:12:09,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 04:12:09,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219602346] [2021-11-14 04:12:09,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219602346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 04:12:09,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 04:12:09,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-14 04:12:09,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132578022] [2021-11-14 04:12:09,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 04:12:09,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 04:12:09,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 04:12:09,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 04:12:09,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-14 04:12:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 04:12:09,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 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) [2021-11-14 04:12:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:09,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 04:12:09,976 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 04:12:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 04:12:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1124511689, now seen corresponding path program 2 times [2021-11-14 04:12:09,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 04:12:09,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716728500] [2021-11-14 04:12:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 04:12:09,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 04:12:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 04:12:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 04:12:10,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 04:12:10,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716728500] [2021-11-14 04:12:10,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716728500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 04:12:10,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 04:12:10,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 04:12:10,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137871887] [2021-11-14 04:12:10,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 04:12:10,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 04:12:10,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 04:12:10,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 04:12:10,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-14 04:12:10,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,086 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 04:12:10,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2021-11-14 04:12:10,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:10,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 04:12:10,180 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 04:12:10,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 04:12:10,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1104053761, now seen corresponding path program 3 times [2021-11-14 04:12:10,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 04:12:10,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248382027] [2021-11-14 04:12:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 04:12:10,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 04:12:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 04:12:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 04:12:10,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 04:12:10,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248382027] [2021-11-14 04:12:10,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248382027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 04:12:10,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 04:12:10,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 04:12:10,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659293841] [2021-11-14 04:12:10,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 04:12:10,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 04:12:10,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 04:12:10,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 04:12:10,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-14 04:12:10,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 04:12:10,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2021-11-14 04:12:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 04:12:10,348 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 04:12:10,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 04:12:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash 596534895, now seen corresponding path program 4 times [2021-11-14 04:12:10,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 04:12:10,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411506877] [2021-11-14 04:12:10,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 04:12:10,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 04:12:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 04:12:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 04:12:10,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 04:12:10,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411506877] [2021-11-14 04:12:10,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411506877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 04:12:10,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 04:12:10,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 04:12:10,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830648120] [2021-11-14 04:12:10,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 04:12:10,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 04:12:10,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 04:12:10,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 04:12:10,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-14 04:12:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,517 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 04:12:10,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-11-14 04:12:10,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:10,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 04:12:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 04:12:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 04:12:10,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 04:12:10,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-14 04:12:10,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-14 04:12:10,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-14 04:12:10,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 04:12:10,646 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1] [2021-11-14 04:12:10,647 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 04:12:10,647 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 04:12:10,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:12:10 BasicIcfg [2021-11-14 04:12:10,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 04:12:10,649 INFO L158 Benchmark]: Toolchain (without parser) took 2265.63ms. Allocated memory is still 348.1MB. Free memory was 290.0MB in the beginning and 176.7MB in the end (delta: 113.3MB). Peak memory consumption was 114.5MB. Max. memory is 16.0GB. [2021-11-14 04:12:10,651 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 306.4MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 04:12:10,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.89ms. Allocated memory is still 348.1MB. Free memory was 289.8MB in the beginning and 314.0MB in the end (delta: -24.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.0GB. [2021-11-14 04:12:10,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.22ms. Allocated memory is still 348.1MB. Free memory was 314.0MB in the beginning and 311.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 04:12:10,653 INFO L158 Benchmark]: Boogie Preprocessor took 15.46ms. Allocated memory is still 348.1MB. Free memory was 311.9MB in the beginning and 310.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 04:12:10,653 INFO L158 Benchmark]: RCFGBuilder took 323.95ms. Allocated memory is still 348.1MB. Free memory was 310.9MB in the beginning and 295.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2021-11-14 04:12:10,654 INFO L158 Benchmark]: TraceAbstraction took 1658.75ms. Allocated memory is still 348.1MB. Free memory was 295.2MB in the beginning and 176.7MB in the end (delta: 118.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.0GB. [2021-11-14 04:12:10,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory is still 306.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 227.89ms. Allocated memory is still 348.1MB. Free memory was 289.8MB in the beginning and 314.0MB in the end (delta: -24.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 35.22ms. Allocated memory is still 348.1MB. Free memory was 314.0MB in the beginning and 311.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 15.46ms. Allocated memory is still 348.1MB. Free memory was 311.9MB in the beginning and 310.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 323.95ms. Allocated memory is still 348.1MB. Free memory was 310.9MB in the beginning and 295.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1658.75ms. Allocated memory is still 348.1MB. Free memory was 295.2MB in the beginning and 176.7MB in the end (delta: 118.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 737, positive: 690, positive conditional: 342, positive unconditional: 348, negative: 47, negative conditional: 37, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 724, positive: 690, positive conditional: 342, positive unconditional: 348, negative: 34, negative conditional: 24, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 724, positive: 690, positive conditional: 342, positive unconditional: 348, negative: 34, negative conditional: 24, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 778, positive: 690, positive conditional: 278, positive unconditional: 412, negative: 88, negative conditional: 54, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 778, positive: 690, positive conditional: 134, positive unconditional: 556, negative: 88, negative conditional: 36, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 778, positive: 690, positive conditional: 134, positive unconditional: 556, negative: 88, negative conditional: 36, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 373, positive: 357, positive conditional: 3, positive unconditional: 354, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 373, positive: 352, positive conditional: 0, positive unconditional: 352, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 77, negative conditional: 9, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 778, positive: 333, positive conditional: 131, positive unconditional: 202, negative: 72, negative conditional: 30, negative unconditional: 42, unknown: 373, unknown conditional: 9, unknown unconditional: 364] , Statistics on independence cache: Total cache size (in pairs): 373, Positive cache size: 357, Positive conditional cache size: 3, Positive unconditional cache size: 354, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 162, Maximal queried relation: 4, Independence queries for same thread: 13 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 130.28ms, Number of persistent set computation: 151, Number of trivial persistent sets: 89, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 358, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 737, positive: 690, positive conditional: 342, positive unconditional: 348, negative: 47, negative conditional: 37, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 724, positive: 690, positive conditional: 342, positive unconditional: 348, negative: 34, negative conditional: 24, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 724, positive: 690, positive conditional: 342, positive unconditional: 348, negative: 34, negative conditional: 24, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 778, positive: 690, positive conditional: 278, positive unconditional: 412, negative: 88, negative conditional: 54, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 778, positive: 690, positive conditional: 134, positive unconditional: 556, negative: 88, negative conditional: 36, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 778, positive: 690, positive conditional: 134, positive unconditional: 556, negative: 88, negative conditional: 36, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 373, positive: 357, positive conditional: 3, positive unconditional: 354, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 373, positive: 352, positive conditional: 0, positive unconditional: 352, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 77, negative conditional: 9, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 778, positive: 333, positive conditional: 131, positive unconditional: 202, negative: 72, negative conditional: 30, negative unconditional: 42, unknown: 373, unknown conditional: 9, unknown unconditional: 364] , Statistics on independence cache: Total cache size (in pairs): 373, Positive cache size: 357, Positive conditional cache size: 3, Positive unconditional cache size: 354, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 162, Maximal queried relation: 4, Independence queries for same thread: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 102]: 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 errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-14 04:12:10,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-14 04:12:10,895 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...