/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/svcomp/pthread-wmm/safe031_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 21:42:52,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 21:42:52,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 21:42:52,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 21:42:52,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 21:42:52,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 21:42:52,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 21:42:52,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 21:42:52,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 21:42:52,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 21:42:52,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 21:42:52,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-02-15 21:42:52,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 21:42:52,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 21:42:52,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 21:42:53,001 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 [2022-02-15 21:42:53,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 21:42:53,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 21:42:53,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 21:42:53,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 21:42:53,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 21:42:53,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 21:42:53,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 21:42:53,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 21:42:53,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 21:42:53,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 21:42:53,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 21:42:53,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-15 21:42:53,022 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-15 21:42:53,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 21:42:53,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 21:42:53,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 21:42:53,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 21:42:53,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 21:42:53,211 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 21:42:53,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2022-02-15 21:42:53,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad08cc360/115d2f42f1484e49b994eab34aaebadc/FLAGce0b0b64d [2022-02-15 21:42:53,669 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 21:42:53,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2022-02-15 21:42:53,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad08cc360/115d2f42f1484e49b994eab34aaebadc/FLAGce0b0b64d [2022-02-15 21:42:54,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad08cc360/115d2f42f1484e49b994eab34aaebadc [2022-02-15 21:42:54,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 21:42:54,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 21:42:54,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 21:42:54,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 21:42:54,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 21:42:54,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f189b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54, skipping insertion in model container [2022-02-15 21:42:54,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 21:42:54,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 21:42:54,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i[945,958] [2022-02-15 21:42:54,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 21:42:54,306 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 21:42:54,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i[945,958] [2022-02-15 21:42:54,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 21:42:54,384 INFO L208 MainTranslator]: Completed translation [2022-02-15 21:42:54,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54 WrapperNode [2022-02-15 21:42:54,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 21:42:54,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 21:42:54,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 21:42:54,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 21:42:54,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,430 INFO L137 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-02-15 21:42:54,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 21:42:54,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 21:42:54,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 21:42:54,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 21:42:54,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 21:42:54,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 21:42:54,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 21:42:54,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 21:42:54,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (1/1) ... [2022-02-15 21:42:54,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 21:42:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 21:42:54,486 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) [2022-02-15 21:42:54,487 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 [2022-02-15 21:42:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 21:42:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-15 21:42:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-15 21:42:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-15 21:42:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 21:42:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 21:42:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 21:42:54,527 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 21:42:54,631 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 21:42:54,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 21:42:54,823 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 21:42:54,828 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 21:42:54,828 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 21:42:54,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:42:54 BoogieIcfgContainer [2022-02-15 21:42:54,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 21:42:54,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 21:42:54,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 21:42:54,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 21:42:54,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 09:42:54" (1/3) ... [2022-02-15 21:42:54,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b33241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:42:54, skipping insertion in model container [2022-02-15 21:42:54,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:54" (2/3) ... [2022-02-15 21:42:54,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b33241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:42:54, skipping insertion in model container [2022-02-15 21:42:54,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:42:54" (3/3) ... [2022-02-15 21:42:54,835 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2022-02-15 21:42:54,838 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 21:42:54,838 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 21:42:54,838 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 21:42:54,838 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 21:42:54,870 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,871 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,871 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,871 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,872 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,873 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,873 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,873 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,873 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,874 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,875 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,877 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,879 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,879 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,879 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,879 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,881 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,881 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,882 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,882 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,882 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,882 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:42:54,882 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 21:42:54,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 21:42:54,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 21:42:54,928 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) [2022-02-15 21:42:54,930 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 [2022-02-15 21:42:54,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-15 21:42:54,960 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 [2022-02-15 21:42:54,961 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-15 21:42:55,156 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 21:42:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 21:42:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1832582201, now seen corresponding path program 1 times [2022-02-15 21:42:55,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 21:42:55,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947424047] [2022-02-15 21:42:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 21:42:55,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 21:42:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 21:42:55,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 21:42:55,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 21:42:55,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947424047] [2022-02-15 21:42:55,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947424047] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 21:42:55,383 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 21:42:55,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 21:42:55,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737988198] [2022-02-15 21:42:55,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 21:42:55,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 21:42:55,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 21:42:55,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 21:42:55,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 21:42:55,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 21:42:55,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2022-02-15 21:42:55,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 21:42:55,431 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 21:42:55,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 21:42:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1079717748, now seen corresponding path program 1 times [2022-02-15 21:42:55,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 21:42:55,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301555399] [2022-02-15 21:42:55,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 21:42:55,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 21:42:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 21:42:55,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 21:42:55,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 21:42:55,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301555399] [2022-02-15 21:42:55,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301555399] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 21:42:55,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 21:42:55,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 21:42:55,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362659144] [2022-02-15 21:42:55,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 21:42:55,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 21:42:55,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 21:42:55,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 21:42:55,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-15 21:42:55,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 21:42:55,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 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) [2022-02-15 21:42:55,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:55,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 21:42:55,743 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 21:42:55,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 21:42:55,744 INFO L85 PathProgramCache]: Analyzing trace with hash -975518619, now seen corresponding path program 1 times [2022-02-15 21:42:55,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 21:42:55,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183972742] [2022-02-15 21:42:55,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 21:42:55,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 21:42:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 21:42:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 21:42:55,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 21:42:55,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183972742] [2022-02-15 21:42:55,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183972742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 21:42:55,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 21:42:55,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 21:42:55,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279366704] [2022-02-15 21:42:55,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 21:42:55,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 21:42:55,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 21:42:55,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 21:42:55,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 21:42:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 21:42:55,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2022-02-15 21:42:55,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:55,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:55,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 21:42:56,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:56,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 21:42:56,099 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 21:42:56,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 21:42:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1859593713, now seen corresponding path program 2 times [2022-02-15 21:42:56,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 21:42:56,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268748694] [2022-02-15 21:42:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 21:42:56,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 21:42:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 21:42:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 21:42:56,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 21:42:56,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268748694] [2022-02-15 21:42:56,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268748694] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 21:42:56,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 21:42:56,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 21:42:56,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767013642] [2022-02-15 21:42:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 21:42:56,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 21:42:56,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 21:42:56,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 21:42:56,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-15 21:42:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,236 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 21:42:56,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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) [2022-02-15 21:42:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 21:42:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:56,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 21:42:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 21:42:56,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 21:42:56,456 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 21:42:56,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 21:42:56,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1353227394, now seen corresponding path program 1 times [2022-02-15 21:42:56,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 21:42:56,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748853799] [2022-02-15 21:42:56,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 21:42:56,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 21:42:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 21:42:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 21:42:56,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 21:42:56,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748853799] [2022-02-15 21:42:56,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748853799] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 21:42:56,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 21:42:56,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 21:42:56,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471612202] [2022-02-15 21:42:56,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 21:42:56,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 21:42:56,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 21:42:56,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 21:42:56,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 21:42:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 21:42:56,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2022-02-15 21:42:56,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 21:42:56,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:56,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 21:42:56,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 21:42:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 21:42:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 21:42:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 21:42:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 21:42:56,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-15 21:42:56,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-15 21:42:56,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-15 21:42:56,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-15 21:42:56,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 21:42:56,684 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-02-15 21:42:56,687 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 21:42:56,687 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 21:42:56,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 09:42:56 BasicIcfg [2022-02-15 21:42:56,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 21:42:56,689 INFO L158 Benchmark]: Toolchain (without parser) took 2621.65ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 133.0MB in the beginning and 120.1MB in the end (delta: 12.9MB). Peak memory consumption was 52.0MB. Max. memory is 8.0GB. [2022-02-15 21:42:56,689 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory was 150.7MB in the beginning and 150.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 21:42:56,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.98ms. Allocated memory is still 184.5MB. Free memory was 132.7MB in the beginning and 152.0MB in the end (delta: -19.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-15 21:42:56,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 184.5MB. Free memory was 152.0MB in the beginning and 149.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 21:42:56,690 INFO L158 Benchmark]: Boogie Preprocessor took 25.94ms. Allocated memory is still 184.5MB. Free memory was 149.9MB in the beginning and 148.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 21:42:56,691 INFO L158 Benchmark]: RCFGBuilder took 372.59ms. Allocated memory is still 184.5MB. Free memory was 148.4MB in the beginning and 136.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-15 21:42:56,691 INFO L158 Benchmark]: TraceAbstraction took 1857.96ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 135.8MB in the beginning and 120.1MB in the end (delta: 15.7MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2022-02-15 21:42:56,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory was 150.7MB in the beginning and 150.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 315.98ms. Allocated memory is still 184.5MB. Free memory was 132.7MB in the beginning and 152.0MB in the end (delta: -19.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 184.5MB. Free memory was 152.0MB in the beginning and 149.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.94ms. Allocated memory is still 184.5MB. Free memory was 149.9MB in the beginning and 148.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 372.59ms. Allocated memory is still 184.5MB. Free memory was 148.4MB in the beginning and 136.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1857.96ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 135.8MB in the beginning and 120.1MB in the end (delta: 15.7MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4278, positive: 4177, positive conditional: 2904, positive unconditional: 1273, negative: 101, negative conditional: 77, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4254, positive: 4177, positive conditional: 2904, positive unconditional: 1273, negative: 77, negative conditional: 53, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4254, positive: 4177, positive conditional: 2904, positive unconditional: 1273, negative: 77, negative conditional: 53, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4433, positive: 4177, positive conditional: 2604, positive unconditional: 1573, negative: 256, negative conditional: 179, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4433, positive: 4177, positive conditional: 816, positive unconditional: 3361, negative: 256, negative conditional: 30, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4433, positive: 4177, positive conditional: 816, positive unconditional: 3361, negative: 256, negative conditional: 30, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1310, positive: 1283, positive conditional: 10, positive unconditional: 1273, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1310, positive: 1265, positive conditional: 0, positive unconditional: 1265, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 10, positive unconditional: 8, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 83, positive conditional: 25, positive unconditional: 59, negative: 65, negative conditional: 13, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4433, positive: 2894, positive conditional: 806, positive unconditional: 2088, negative: 229, negative conditional: 27, negative unconditional: 202, unknown: 1310, unknown conditional: 13, unknown unconditional: 1297] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1283, Positive conditional cache size: 10, Positive unconditional cache size: 1273, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Eliminated conditions: 1937, Maximal queried relation: 4, Independence queries for same thread: 24 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 449, Number of trivial persistent sets: 235, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1297, positive: 1273, positive conditional: 0, positive unconditional: 1273, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4278, positive: 4177, positive conditional: 2904, positive unconditional: 1273, negative: 101, negative conditional: 77, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4254, positive: 4177, positive conditional: 2904, positive unconditional: 1273, negative: 77, negative conditional: 53, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4254, positive: 4177, positive conditional: 2904, positive unconditional: 1273, negative: 77, negative conditional: 53, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4433, positive: 4177, positive conditional: 2604, positive unconditional: 1573, negative: 256, negative conditional: 179, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4433, positive: 4177, positive conditional: 816, positive unconditional: 3361, negative: 256, negative conditional: 30, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4433, positive: 4177, positive conditional: 816, positive unconditional: 3361, negative: 256, negative conditional: 30, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1310, positive: 1283, positive conditional: 10, positive unconditional: 1273, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1310, positive: 1265, positive conditional: 0, positive unconditional: 1265, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 10, positive unconditional: 8, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 83, positive conditional: 25, positive unconditional: 59, negative: 65, negative conditional: 13, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4433, positive: 2894, positive conditional: 806, positive unconditional: 2088, negative: 229, negative conditional: 27, negative unconditional: 202, unknown: 1310, unknown conditional: 13, unknown unconditional: 1297] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1283, Positive conditional cache size: 10, Positive unconditional cache size: 1273, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Eliminated conditions: 1937, Maximal queried relation: 4, Independence queries for same thread: 24 - 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: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 315 NumberOfCodeBlocks, 315 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 1176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-15 21:42:56,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-15 21:42:56,937 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...