/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 00:33:50,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 00:33:50,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 00:33:50,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 00:33:50,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 00:33:50,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 00:33:50,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 00:33:50,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 00:33:50,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 00:33:50,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 00:33:50,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 00:33:50,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 00:33:50,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 00:33:50,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 00:33:50,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 00:33:50,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 00:33:50,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 00:33:50,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 00:33:50,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 00:33:50,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 00:33:50,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 00:33:50,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 00:33:50,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 00:33:50,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 00:33:50,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 00:33:50,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 00:33:50,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 00:33:50,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 00:33:50,886 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.epf [2022-02-16 00:33:50,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 00:33:50,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 00:33:50,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 00:33:50,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 00:33:50,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 00:33:50,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 00:33:50,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 00:33:50,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 00:33:50,902 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 00:33:50,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 00:33:50,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 00:33:50,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 00:33:50,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 00:33:50,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 00:33:50,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 00:33:50,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 00:33:50,905 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-16 00:33:50,905 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-16 00:33:50,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 00:33:51,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 00:33:51,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 00:33:51,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 00:33:51,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 00:33:51,108 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 00:33:51,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2022-02-16 00:33:51,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8a15c65/a1698cb5b0a74a3eaaed51d6116883c2/FLAG1f13d10ee [2022-02-16 00:33:51,463 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 00:33:51,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/NonAtomicIncrement_2Threads.c [2022-02-16 00:33:51,463 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 00:33:51,463 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 00:33:51,463 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 00:33:51,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8a15c65/a1698cb5b0a74a3eaaed51d6116883c2/FLAG1f13d10ee [2022-02-16 00:33:51,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8a15c65/a1698cb5b0a74a3eaaed51d6116883c2 [2022-02-16 00:33:51,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 00:33:51,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 00:33:51,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 00:33:51,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 00:33:51,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 00:33:51,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:33:51" (1/1) ... [2022-02-16 00:33:51,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383990de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:51, skipping insertion in model container [2022-02-16 00:33:51,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:33:51" (1/1) ... [2022-02-16 00:33:51,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 00:33:51,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 00:33:52,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 00:33:52,026 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 00:33:52,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 00:33:52,045 INFO L208 MainTranslator]: Completed translation [2022-02-16 00:33:52,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52 WrapperNode [2022-02-16 00:33:52,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 00:33:52,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 00:33:52,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 00:33:52,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 00:33:52,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,066 INFO L137 Inliner]: procedures = 9, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-02-16 00:33:52,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 00:33:52,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 00:33:52,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 00:33:52,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 00:33:52,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 00:33:52,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 00:33:52,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 00:33:52,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 00:33:52,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (1/1) ... [2022-02-16 00:33:52,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 00:33:52,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:52,137 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) [2022-02-16 00:33:52,149 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 [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 00:33:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrement [2022-02-16 00:33:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrement [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure firstIncrement [2022-02-16 00:33:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure firstIncrement [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 00:33:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 00:33:52,167 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 00:33:52,211 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 00:33:52,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 00:33:52,293 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 00:33:52,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 00:33:52,298 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-16 00:33:52,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:33:52 BoogieIcfgContainer [2022-02-16 00:33:52,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 00:33:52,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 00:33:52,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 00:33:52,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 00:33:52,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:33:51" (1/3) ... [2022-02-16 00:33:52,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e66e745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:33:52, skipping insertion in model container [2022-02-16 00:33:52,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:33:52" (2/3) ... [2022-02-16 00:33:52,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e66e745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:33:52, skipping insertion in model container [2022-02-16 00:33:52,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:33:52" (3/3) ... [2022-02-16 00:33:52,304 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.c [2022-02-16 00:33:52,307 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 00:33:52,307 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 00:33:52,307 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 00:33:52,308 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 00:33:52,328 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,329 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,329 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,329 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,329 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,329 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,330 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,330 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,330 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,331 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,331 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,331 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,331 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,331 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,332 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,332 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,332 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,332 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,332 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,332 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,333 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,333 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,333 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,333 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,333 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,333 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,334 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,334 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,334 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,334 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,335 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,335 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,335 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,335 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,336 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,336 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,336 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,336 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,336 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,336 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,337 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,337 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,337 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,337 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,339 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,339 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~localx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,340 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,340 WARN L322 ript$VariableManager]: TermVariabe |firstIncrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,340 WARN L322 ript$VariableManager]: TermVariabe firstIncrementThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,341 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,342 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,342 WARN L322 ript$VariableManager]: TermVariabe |secondIncrementThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,342 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~localx~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,342 WARN L322 ript$VariableManager]: TermVariabe secondIncrementThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 00:33:52,346 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-16 00:33:52,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 00:33:52,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:52,380 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) [2022-02-16 00:33:52,381 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 [2022-02-16 00:33:52,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-16 00:33:52,422 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 [2022-02-16 00:33:52,422 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 00:33:52,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:52,573 INFO L85 PathProgramCache]: Analyzing trace with hash 403930220, now seen corresponding path program 1 times [2022-02-16 00:33:52,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:52,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750051429] [2022-02-16 00:33:52,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:52,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:52,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:52,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750051429] [2022-02-16 00:33:52,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750051429] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:33:52,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:33:52,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 00:33:52,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149264411] [2022-02-16 00:33:52,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:33:52,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 00:33:52,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:52,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 00:33:52,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 00:33:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,762 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:52,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-02-16 00:33:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 00:33:52,782 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:52,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:52,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2019144022, now seen corresponding path program 1 times [2022-02-16 00:33:52,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:52,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046057273] [2022-02-16 00:33:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:52,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:52,836 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:52,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046057273] [2022-02-16 00:33:52,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046057273] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:33:52,836 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:33:52,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:33:52,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105333612] [2022-02-16 00:33:52,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:33:52,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:33:52,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:52,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:33:52,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:33:52,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,838 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:52,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-02-16 00:33:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:52,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 00:33:52,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:52,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:52,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1699411922, now seen corresponding path program 1 times [2022-02-16 00:33:52,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:52,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223991971] [2022-02-16 00:33:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:52,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:52,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:52,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223991971] [2022-02-16 00:33:52,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223991971] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:52,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976236984] [2022-02-16 00:33:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:52,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:52,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:52,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:52,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 00:33:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:53,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-16 00:33:53,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 00:33:53,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 00:33:53,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976236984] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:33:53,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-16 00:33:53,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-16 00:33:53,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090104893] [2022-02-16 00:33:53,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:33:53,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:33:53,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:53,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:33:53,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-16 00:33:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:53,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-16 00:33:53,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 00:33:53,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-16 00:33:53,384 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:53,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:53,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1626615442, now seen corresponding path program 1 times [2022-02-16 00:33:53,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:53,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652322129] [2022-02-16 00:33:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:53,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 00:33:53,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:53,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652322129] [2022-02-16 00:33:53,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652322129] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:53,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352822346] [2022-02-16 00:33:53,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:53,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:53,440 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:53,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 00:33:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:53,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-16 00:33:53,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 00:33:53,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 00:33:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 00:33:53,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352822346] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 00:33:53,729 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 00:33:53,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-16 00:33:53,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404586518] [2022-02-16 00:33:53,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 00:33:53,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 00:33:53,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:53,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 00:33:53,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-16 00:33:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,733 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:53,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2022-02-16 00:33:53,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:53,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 00:33:54,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:54,086 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:54,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:54,087 INFO L85 PathProgramCache]: Analyzing trace with hash -766401894, now seen corresponding path program 2 times [2022-02-16 00:33:54,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:54,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515475617] [2022-02-16 00:33:54,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:54,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 00:33:54,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:54,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515475617] [2022-02-16 00:33:54,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515475617] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:54,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313480630] [2022-02-16 00:33:54,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 00:33:54,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:54,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:54,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 00:33:54,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 00:33:54,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 00:33:54,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-16 00:33:54,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 00:33:54,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 00:33:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 00:33:54,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313480630] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 00:33:54,363 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 00:33:54,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-16 00:33:54,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212766794] [2022-02-16 00:33:54,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 00:33:54,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 00:33:54,365 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:54,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 00:33:54,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-16 00:33:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:54,366 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:54,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2022-02-16 00:33:54,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:54,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:54,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:54,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:54,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:54,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-16 00:33:54,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:54,624 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:54,624 INFO L85 PathProgramCache]: Analyzing trace with hash 830100066, now seen corresponding path program 3 times [2022-02-16 00:33:54,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:54,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516825166] [2022-02-16 00:33:54,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:54,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 00:33:54,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:54,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516825166] [2022-02-16 00:33:54,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516825166] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:54,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637675971] [2022-02-16 00:33:54,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 00:33:54,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:54,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:54,722 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:54,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 00:33:54,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-16 00:33:54,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 00:33:54,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-16 00:33:54,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 00:33:54,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 00:33:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 00:33:55,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637675971] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 00:33:55,026 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 00:33:55,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-16 00:33:55,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874413522] [2022-02-16 00:33:55,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 00:33:55,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-16 00:33:55,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:55,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-16 00:33:55,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-02-16 00:33:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:55,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 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) [2022-02-16 00:33:55,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-16 00:33:55,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 00:33:55,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:55,415 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:55,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1363298386, now seen corresponding path program 4 times [2022-02-16 00:33:55,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:55,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023134671] [2022-02-16 00:33:55,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:55,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-16 00:33:55,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:55,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023134671] [2022-02-16 00:33:55,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023134671] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:55,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751998763] [2022-02-16 00:33:55,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 00:33:55,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:55,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:55,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:55,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 00:33:55,573 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 00:33:55,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 00:33:55,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-16 00:33:55,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-16 00:33:55,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 00:33:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-16 00:33:55,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751998763] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 00:33:55,825 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 00:33:55,825 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2022-02-16 00:33:55,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101382635] [2022-02-16 00:33:55,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 00:33:55,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-16 00:33:55,845 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:55,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-16 00:33:55,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-02-16 00:33:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:55,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 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) [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-16 00:33:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-16 00:33:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-16 00:33:55,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 00:33:56,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:56,137 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:56,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:56,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1818469938, now seen corresponding path program 5 times [2022-02-16 00:33:56,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:56,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575509024] [2022-02-16 00:33:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:56,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 117 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:56,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:56,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575509024] [2022-02-16 00:33:56,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575509024] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:56,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84661156] [2022-02-16 00:33:56,339 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 00:33:56,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:56,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:56,340 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:56,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 00:33:56,390 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-16 00:33:56,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 00:33:56,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-16 00:33:56,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:56,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 00:33:56,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84661156] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:33:56,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-16 00:33:56,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [22] total 24 [2022-02-16 00:33:56,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767545321] [2022-02-16 00:33:56,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:33:56,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-16 00:33:56,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:56,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-16 00:33:56,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-02-16 00:33:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:56,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:56,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.5) internal successors, (99), 23 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-16 00:33:56,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-16 00:33:56,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-16 00:33:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-16 00:33:57,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-16 00:33:57,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:57,244 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 00:33:57,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:33:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1701598734, now seen corresponding path program 6 times [2022-02-16 00:33:57,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:33:57,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549406363] [2022-02-16 00:33:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:33:57,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:33:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:33:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 98 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:57,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:33:57,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549406363] [2022-02-16 00:33:57,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549406363] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 00:33:57,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852007427] [2022-02-16 00:33:57,417 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 00:33:57,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 00:33:57,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:33:57,418 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 00:33:57,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 00:33:57,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-02-16 00:33:57,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 00:33:57,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-16 00:33:57,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 00:33:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:57,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 00:33:57,915 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:33:57,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852007427] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 00:33:57,915 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 00:33:57,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 38 [2022-02-16 00:33:57,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864915804] [2022-02-16 00:33:57,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 00:33:57,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-16 00:33:57,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:33:57,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-16 00:33:57,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1185, Unknown=0, NotChecked=0, Total=1482 [2022-02-16 00:33:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:57,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:33:57,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 5.421052631578948) internal successors, (206), 39 states have internal predecessors, (206), 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) [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-16 00:33:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:34:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-16 00:34:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 00:34:01,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 00:34:01,797 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-16 00:34:01,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-16 00:34:01,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-16 00:34:01,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-16 00:34:02,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-16 00:34:02,025 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2022-02-16 00:34:02,026 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 00:34:02,026 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 00:34:02,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:34:02 BasicIcfg [2022-02-16 00:34:02,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 00:34:02,028 INFO L158 Benchmark]: Toolchain (without parser) took 10130.58ms. Allocated memory was 179.3MB in the beginning and 314.6MB in the end (delta: 135.3MB). Free memory was 127.3MB in the beginning and 130.3MB in the end (delta: -3.1MB). Peak memory consumption was 196.7MB. Max. memory is 8.0GB. [2022-02-16 00:34:02,028 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory was 145.2MB in the beginning and 145.1MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 00:34:02,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.42ms. Allocated memory is still 179.3MB. Free memory was 127.1MB in the beginning and 154.7MB in the end (delta: -27.5MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-02-16 00:34:02,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.62ms. Allocated memory is still 179.3MB. Free memory was 154.7MB in the beginning and 153.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 00:34:02,029 INFO L158 Benchmark]: Boogie Preprocessor took 20.74ms. Allocated memory is still 179.3MB. Free memory was 153.1MB in the beginning and 152.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 00:34:02,031 INFO L158 Benchmark]: RCFGBuilder took 211.09ms. Allocated memory is still 179.3MB. Free memory was 152.1MB in the beginning and 141.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-16 00:34:02,031 INFO L158 Benchmark]: TraceAbstraction took 9727.47ms. Allocated memory was 179.3MB in the beginning and 314.6MB in the end (delta: 135.3MB). Free memory was 141.1MB in the beginning and 130.3MB in the end (delta: 10.7MB). Peak memory consumption was 209.4MB. Max. memory is 8.0GB. [2022-02-16 00:34:02,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory was 145.2MB in the beginning and 145.1MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 146.42ms. Allocated memory is still 179.3MB. Free memory was 127.1MB in the beginning and 154.7MB in the end (delta: -27.5MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.62ms. Allocated memory is still 179.3MB. Free memory was 154.7MB in the beginning and 153.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.74ms. Allocated memory is still 179.3MB. Free memory was 153.1MB in the beginning and 152.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 211.09ms. Allocated memory is still 179.3MB. Free memory was 152.1MB in the beginning and 141.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 9727.47ms. Allocated memory was 179.3MB in the beginning and 314.6MB in the end (delta: 135.3MB). Free memory was 141.1MB in the beginning and 130.3MB in the end (delta: 10.7MB). Peak memory consumption was 209.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 160279, positive: 131550, positive conditional: 130590, positive unconditional: 960, negative: 28729, negative conditional: 28719, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134632, positive: 131550, positive conditional: 130590, positive unconditional: 960, negative: 3082, negative conditional: 3072, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 134632, positive: 131550, positive conditional: 130590, positive unconditional: 960, negative: 3082, negative conditional: 3072, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151620, positive: 131550, positive conditional: 130416, positive unconditional: 1134, negative: 20070, negative conditional: 16988, negative unconditional: 3082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 151620, positive: 131550, positive conditional: 42074, positive unconditional: 89476, negative: 20070, negative conditional: 4246, negative unconditional: 15824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 151620, positive: 131550, positive conditional: 42074, positive unconditional: 89476, negative: 20070, negative conditional: 4246, negative unconditional: 15824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 911, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 149, negative conditional: 139, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 911, positive: 760, positive conditional: 0, positive unconditional: 760, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 151, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 149, negative conditional: 139, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 146, negative conditional: 128, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 151620, positive: 130788, positive conditional: 42074, positive unconditional: 88714, negative: 19921, negative conditional: 4107, negative unconditional: 15814, unknown: 911, unknown conditional: 139, unknown unconditional: 772] , Statistics on independence cache: Total cache size (in pairs): 911, Positive cache size: 762, Positive conditional cache size: 0, Positive unconditional cache size: 762, Negative cache size: 149, Negative conditional cache size: 139, Negative unconditional cache size: 10, Eliminated conditions: 101084, Maximal queried relation: 8, Independence queries for same thread: 25647 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 426, Number of trivial persistent sets: 407, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 970, positive: 960, positive conditional: 0, positive unconditional: 960, 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: 160279, positive: 131550, positive conditional: 130590, positive unconditional: 960, negative: 28729, negative conditional: 28719, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134632, positive: 131550, positive conditional: 130590, positive unconditional: 960, negative: 3082, negative conditional: 3072, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 134632, positive: 131550, positive conditional: 130590, positive unconditional: 960, negative: 3082, negative conditional: 3072, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151620, positive: 131550, positive conditional: 130416, positive unconditional: 1134, negative: 20070, negative conditional: 16988, negative unconditional: 3082, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 151620, positive: 131550, positive conditional: 42074, positive unconditional: 89476, negative: 20070, negative conditional: 4246, negative unconditional: 15824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 151620, positive: 131550, positive conditional: 42074, positive unconditional: 89476, negative: 20070, negative conditional: 4246, negative unconditional: 15824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 911, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 149, negative conditional: 139, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 911, positive: 760, positive conditional: 0, positive unconditional: 760, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 151, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 149, negative conditional: 139, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 146, negative conditional: 128, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 151620, positive: 130788, positive conditional: 42074, positive unconditional: 88714, negative: 19921, negative conditional: 4107, negative unconditional: 15814, unknown: 911, unknown conditional: 139, unknown unconditional: 772] , Statistics on independence cache: Total cache size (in pairs): 911, Positive cache size: 762, Positive conditional cache size: 0, Positive unconditional cache size: 762, Negative cache size: 149, Negative conditional cache size: 139, Negative unconditional cache size: 10, Eliminated conditions: 101084, Maximal queried relation: 8, Independence queries for same thread: 25647 - 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: 46]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1488 ConstructedInterpolants, 0 QuantifiedInterpolants, 2852 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1103 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 888/1165 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! [2022-02-16 00:34:02,057 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 [2022-02-16 00:34:02,268 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...