/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 20:10:17,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 20:10:17,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 20:10:17,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 20:10:17,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 20:10:17,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 20:10:17,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 20:10:17,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 20:10:17,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 20:10:17,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 20:10:17,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 20:10:17,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 20:10:17,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 20:10:17,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 20:10:17,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 20:10:17,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 20:10:17,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 20:10:17,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 20:10:17,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 20:10:17,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 20:10:17,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 20:10:17,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 20:10:17,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 20:10:17,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 20:10:17,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 20:10:17,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 20:10:17,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 20:10:17,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 20:10:17,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 20:10:17,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 20:10:17,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 20:10:17,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 20:10:17,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 20:10:17,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 20:10:17,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 20:10:17,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 20:10:17,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 20:10:17,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 20:10:17,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 20:10:17,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 20:10:17,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 20:10:17,647 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-MCRwithDepranks-Lazy-wrwc.epf [2022-02-19 20:10:17,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 20:10:17,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 20:10:17,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 20:10:17,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 20:10:17,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 20:10:17,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 20:10:17,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 20:10:17,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 20:10:17,678 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 20:10:17,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 20:10:17,679 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 20:10:17,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 20:10:17,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 20:10:17,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 20:10:17,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 20:10:17,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 20:10:17,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 20:10:17,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 20:10:17,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 20:10:17,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 20:10:17,681 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 20:10:17,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 20:10:17,683 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 20:10:17,683 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 20:10:17,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 20:10:17,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 20:10:17,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 20:10:17,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 20:10:17,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 20:10:17,959 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 20:10:17,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-02-19 20:10:18,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5615ca4e/42c2155573fe41b586a5b3afa6e90675/FLAGce29dfe47 [2022-02-19 20:10:18,427 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 20:10:18,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-02-19 20:10:18,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5615ca4e/42c2155573fe41b586a5b3afa6e90675/FLAGce29dfe47 [2022-02-19 20:10:18,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5615ca4e/42c2155573fe41b586a5b3afa6e90675 [2022-02-19 20:10:18,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 20:10:18,846 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 20:10:18,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 20:10:18,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 20:10:18,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 20:10:18,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:10:18" (1/1) ... [2022-02-19 20:10:18,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8952867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:18, skipping insertion in model container [2022-02-19 20:10:18,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:10:18" (1/1) ... [2022-02-19 20:10:18,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 20:10:18,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 20:10:19,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2022-02-19 20:10:19,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 20:10:19,059 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 20:10:19,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2022-02-19 20:10:19,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 20:10:19,102 INFO L208 MainTranslator]: Completed translation [2022-02-19 20:10:19,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19 WrapperNode [2022-02-19 20:10:19,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 20:10:19,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 20:10:19,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 20:10:19,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 20:10:19,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,131 INFO L137 Inliner]: procedures = 21, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 118 [2022-02-19 20:10:19,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 20:10:19,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 20:10:19,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 20:10:19,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 20:10:19,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 20:10:19,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 20:10:19,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 20:10:19,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 20:10:19,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (1/1) ... [2022-02-19 20:10:19,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 20:10:19,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:10:19,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 20:10:19,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 20:10:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 20:10:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 20:10:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 20:10:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 20:10:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 20:10:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 20:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 20:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 20:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 20:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 20:10:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 20:10:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 20:10:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 20:10:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 20:10:19,229 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 20:10:19,296 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 20:10:19,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 20:10:19,496 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 20:10:19,543 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 20:10:19,543 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 20:10:19,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:10:19 BoogieIcfgContainer [2022-02-19 20:10:19,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 20:10:19,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 20:10:19,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 20:10:19,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 20:10:19,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 08:10:18" (1/3) ... [2022-02-19 20:10:19,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526d5600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:10:19, skipping insertion in model container [2022-02-19 20:10:19,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:10:19" (2/3) ... [2022-02-19 20:10:19,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526d5600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:10:19, skipping insertion in model container [2022-02-19 20:10:19,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:10:19" (3/3) ... [2022-02-19 20:10:19,553 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2022-02-19 20:10:19,557 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 20:10:19,557 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 20:10:19,557 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 20:10:19,558 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 20:10:19,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,626 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,626 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,626 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 20:10:19,648 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 20:10:19,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 20:10:19,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 20:10:19,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 20:10:19,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 20:10:19,752 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 20:10:19,759 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 20:10:19,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 20:10:19,861 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 110 transitions and produced 111 states. [2022-02-19 20:10:19,863 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 20:10:19,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:10:19,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1391098523, now seen corresponding path program 1 times [2022-02-19 20:10:19,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:10:19,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295037685] [2022-02-19 20:10:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:10:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:10:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:10:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:10:20,109 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:10:20,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295037685] [2022-02-19 20:10:20,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295037685] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:10:20,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:10:20,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 20:10:20,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965514881] [2022-02-19 20:10:20,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:10:20,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 20:10:20,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:10:20,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 20:10:20,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 20:10:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,143 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:10:20,144 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) [2022-02-19 20:10:20,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,211 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 110 transitions and produced 111 states. [2022-02-19 20:10:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 20:10:20,213 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 20:10:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:10:20,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1651504199, now seen corresponding path program 1 times [2022-02-19 20:10:20,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:10:20,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333774161] [2022-02-19 20:10:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:10:20,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:10:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:10:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:10:20,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:10:20,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333774161] [2022-02-19 20:10:20,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333774161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:10:20,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:10:20,569 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-19 20:10:20,569 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912295808] [2022-02-19 20:10:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:10:20,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 20:10:20,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:10:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 20:10:20,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-19 20:10:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:10:20,572 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) [2022-02-19 20:10:20,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,797 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 297 transitions and produced 232 states. [2022-02-19 20:10:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:20,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 20:10:20,798 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 20:10:20,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:10:20,798 INFO L85 PathProgramCache]: Analyzing trace with hash 659203, now seen corresponding path program 2 times [2022-02-19 20:10:20,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:10:20,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805737154] [2022-02-19 20:10:20,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:10:20,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:10:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:10:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:10:20,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:10:20,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805737154] [2022-02-19 20:10:20,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805737154] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:10:20,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:10:20,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 20:10:20,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836520174] [2022-02-19 20:10:20,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:10:20,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 20:10:20,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:10:20,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 20:10:20,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-19 20:10:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:10:20,928 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) [2022-02-19 20:10:20,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:20,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:20,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,167 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 380 transitions and produced 288 states. [2022-02-19 20:10:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 20:10:21,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 20:10:21,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:10:21,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1232315185, now seen corresponding path program 3 times [2022-02-19 20:10:21,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:10:21,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887468773] [2022-02-19 20:10:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:10:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:10:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:10:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:10:21,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:10:21,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887468773] [2022-02-19 20:10:21,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887468773] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:10:21,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:10:21,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 20:10:21,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414830068] [2022-02-19 20:10:21,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:10:21,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 20:10:21,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:10:21,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 20:10:21,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-19 20:10:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,339 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:10:21,340 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) [2022-02-19 20:10:21,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:21,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,441 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 206 transitions and produced 171 states. [2022-02-19 20:10:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 20:10:21,442 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 20:10:21,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 20:10:21,443 INFO L85 PathProgramCache]: Analyzing trace with hash 466433845, now seen corresponding path program 4 times [2022-02-19 20:10:21,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 20:10:21,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36003521] [2022-02-19 20:10:21,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 20:10:21,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 20:10:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 20:10:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 20:10:21,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 20:10:21,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36003521] [2022-02-19 20:10:21,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36003521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 20:10:21,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 20:10:21,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-19 20:10:21,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853891426] [2022-02-19 20:10:21,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 20:10:21,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-19 20:10:21,696 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 20:10:21,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-19 20:10:21,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-19 20:10:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 20:10:21,697 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) [2022-02-19 20:10:21,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:21,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,987 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 699 transitions and produced 349 states. [2022-02-19 20:10:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 20:10:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 20:10:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 20:10:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 20:10:21,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-19 20:10:21,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 20:10:21,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 20:10:21,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 20:10:21,997 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1] [2022-02-19 20:10:21,998 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 20:10:21,999 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 20:10:22,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 08:10:22 BasicIcfg [2022-02-19 20:10:22,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 20:10:22,001 INFO L158 Benchmark]: Toolchain (without parser) took 3154.86ms. Allocated memory was 185.6MB in the beginning and 289.4MB in the end (delta: 103.8MB). Free memory was 131.3MB in the beginning and 127.4MB in the end (delta: 3.9MB). Peak memory consumption was 107.0MB. Max. memory is 8.0GB. [2022-02-19 20:10:22,002 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 20:10:22,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.09ms. Allocated memory was 185.6MB in the beginning and 289.4MB in the end (delta: 103.8MB). Free memory was 131.2MB in the beginning and 262.2MB in the end (delta: -131.0MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-02-19 20:10:22,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.89ms. Allocated memory is still 289.4MB. Free memory was 262.2MB in the beginning and 260.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 20:10:22,003 INFO L158 Benchmark]: Boogie Preprocessor took 17.09ms. Allocated memory is still 289.4MB. Free memory was 260.6MB in the beginning and 259.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 20:10:22,003 INFO L158 Benchmark]: RCFGBuilder took 395.68ms. Allocated memory is still 289.4MB. Free memory was 259.1MB in the beginning and 243.3MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-19 20:10:22,003 INFO L158 Benchmark]: TraceAbstraction took 2453.97ms. Allocated memory is still 289.4MB. Free memory was 242.8MB in the beginning and 127.4MB in the end (delta: 115.4MB). Peak memory consumption was 114.9MB. Max. memory is 8.0GB. [2022-02-19 20:10:22,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.09ms. Allocated memory was 185.6MB in the beginning and 289.4MB in the end (delta: 103.8MB). Free memory was 131.2MB in the beginning and 262.2MB in the end (delta: -131.0MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.89ms. Allocated memory is still 289.4MB. Free memory was 262.2MB in the beginning and 260.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.09ms. Allocated memory is still 289.4MB. Free memory was 260.6MB in the beginning and 259.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 395.68ms. Allocated memory is still 289.4MB. Free memory was 259.1MB in the beginning and 243.3MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2453.97ms. Allocated memory is still 289.4MB. Free memory was 242.8MB in the beginning and 127.4MB in the end (delta: 115.4MB). Peak memory consumption was 114.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative 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, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, 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, 0.7s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1234 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! [2022-02-19 20:10:22,038 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 [2022-02-19 20:10:22,253 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...