/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-NewStatesSleepPersistent-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.abstract-por-f0ea240 [2022-02-11 02:38:45,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 02:38:45,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 02:38:45,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 02:38:45,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 02:38:45,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 02:38:45,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 02:38:45,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 02:38:45,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 02:38:45,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 02:38:45,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 02:38:45,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 02:38:45,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 02:38:45,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 02:38:45,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 02:38:45,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 02:38:45,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 02:38:45,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 02:38:45,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 02:38:45,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 02:38:45,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 02:38:45,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 02:38:45,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 02:38:45,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 02:38:45,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 02:38:45,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 02:38:45,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 02:38:45,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 02:38:45,119 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-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 02:38:45,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 02:38:45,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 02:38:45,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 02:38:45,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 02:38:45,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 02:38:45,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 02:38:45,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 02:38:45,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 02:38:45,157 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 02:38:45,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 02:38:45,158 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 02:38:45,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 02:38:45,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 02:38:45,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 02:38:45,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 02:38:45,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 02:38:45,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 02:38:45,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 02:38:45,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 02:38:45,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:38:45,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 02:38:45,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 02:38:45,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 02:38:45,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 02:38:45,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 02:38:45,161 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 02:38:45,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 02:38:45,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 02:38:45,161 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 02:38:45,161 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 02:38:45,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 02:38:45,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 02:38:45,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 02:38:45,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 02:38:45,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 02:38:45,446 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 02:38:45,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2022-02-11 02:38:45,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbd9e39e/1791f5b068184676af40d2a05d8c607a/FLAG6a126e4a4 [2022-02-11 02:38:46,034 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 02:38:46,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2022-02-11 02:38:46,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbd9e39e/1791f5b068184676af40d2a05d8c607a/FLAG6a126e4a4 [2022-02-11 02:38:46,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbd9e39e/1791f5b068184676af40d2a05d8c607a [2022-02-11 02:38:46,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 02:38:46,507 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 02:38:46,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 02:38:46,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 02:38:46,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 02:38:46,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:38:46" (1/1) ... [2022-02-11 02:38:46,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763c4de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:46, skipping insertion in model container [2022-02-11 02:38:46,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:38:46" (1/1) ... [2022-02-11 02:38:46,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 02:38:46,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 02:38:46,822 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] [2022-02-11 02:38:47,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:38:47,015 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 02:38:47,026 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] [2022-02-11 02:38:47,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:38:47,105 INFO L208 MainTranslator]: Completed translation [2022-02-11 02:38:47,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47 WrapperNode [2022-02-11 02:38:47,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 02:38:47,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 02:38:47,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 02:38:47,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 02:38:47,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,161 INFO L137 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-02-11 02:38:47,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 02:38:47,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 02:38:47,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 02:38:47,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 02:38:47,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 02:38:47,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 02:38:47,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 02:38:47,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 02:38:47,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (1/1) ... [2022-02-11 02:38:47,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:38:47,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:38:47,237 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) [2022-02-11 02:38:47,261 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 [2022-02-11 02:38:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 02:38:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 02:38:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 02:38:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 02:38:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 02:38:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-11 02:38:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-11 02:38:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-11 02:38:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-11 02:38:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-11 02:38:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-11 02:38:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 02:38:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 02:38:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 02:38:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 02:38:47,285 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 02:38:47,416 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 02:38:47,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 02:38:47,663 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 02:38:47,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 02:38:47,669 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 02:38:47,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:38:47 BoogieIcfgContainer [2022-02-11 02:38:47,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 02:38:47,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 02:38:47,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 02:38:47,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 02:38:47,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 02:38:46" (1/3) ... [2022-02-11 02:38:47,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362617ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:38:47, skipping insertion in model container [2022-02-11 02:38:47,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:38:47" (2/3) ... [2022-02-11 02:38:47,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362617ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:38:47, skipping insertion in model container [2022-02-11 02:38:47,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:38:47" (3/3) ... [2022-02-11 02:38:47,678 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2022-02-11 02:38:47,684 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 02:38:47,685 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 02:38:47,685 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 02:38:47,685 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 02:38:47,734 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,735 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,735 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,735 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,735 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,735 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,736 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,736 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,737 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,737 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,738 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,739 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,739 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,739 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,740 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,740 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,740 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,741 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,741 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,741 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,742 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,744 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,744 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,745 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,746 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,747 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,747 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,749 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,749 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,752 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,753 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,753 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,753 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,755 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,755 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,756 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,756 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,758 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,758 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,758 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,759 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:38:47,760 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:38:47,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:38:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:38:47,816 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) [2022-02-11 02:38:47,817 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 [2022-02-11 02:38:47,849 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:38:47,856 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 02:38:47,857 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 02:38:48,081 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 02:38:48,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:38:48,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1832582201, now seen corresponding path program 1 times [2022-02-11 02:38:48,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:38:48,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777787476] [2022-02-11 02:38:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:38:48,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:38:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:38:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:38:48,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:38:48,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777787476] [2022-02-11 02:38:48,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777787476] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:38:48,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:38:48,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 02:38:48,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247294125] [2022-02-11 02:38:48,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:38:48,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 02:38:48,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:38:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 02:38:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 02:38:48,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:38:48,402 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) [2022-02-11 02:38:48,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 02:38:48,435 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 02:38:48,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:38:48,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1079717748, now seen corresponding path program 1 times [2022-02-11 02:38:48,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:38:48,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073659344] [2022-02-11 02:38:48,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:38:48,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:38:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:38:48,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:38:48,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:38:48,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073659344] [2022-02-11 02:38:48,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073659344] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:38:48,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:38:48,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 02:38:48,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801202058] [2022-02-11 02:38:48,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:38:48,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 02:38:48,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:38:48,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 02:38:48,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-11 02:38:48,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:38:48,683 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) [2022-02-11 02:38:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:38:48,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 02:38:48,849 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 02:38:48,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:38:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash 402661381, now seen corresponding path program 1 times [2022-02-11 02:38:48,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:38:48,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391358759] [2022-02-11 02:38:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:38:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:38:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:38:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:38:49,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:38:49,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391358759] [2022-02-11 02:38:49,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391358759] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:38:49,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:38:49,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 02:38:49,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169469879] [2022-02-11 02:38:49,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:38:49,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 02:38:49,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:38:49,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 02:38:49,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-11 02:38:49,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,004 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:38:49,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2022-02-11 02:38:49,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:38:49,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:38:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 02:38:49,137 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 02:38:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:38:49,137 INFO L85 PathProgramCache]: Analyzing trace with hash 32355503, now seen corresponding path program 1 times [2022-02-11 02:38:49,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:38:49,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635759013] [2022-02-11 02:38:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:38:49,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:38:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:38:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:38:49,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:38:49,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635759013] [2022-02-11 02:38:49,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635759013] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:38:49,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:38:49,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-11 02:38:49,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380136745] [2022-02-11 02:38:49,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:38:49,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:38:49,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:38:49,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:38:49,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-11 02:38:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,287 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:38:49,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2022-02-11 02:38:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:38:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:38:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 02:38:49,466 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 02:38:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:38:49,467 INFO L85 PathProgramCache]: Analyzing trace with hash -345406140, now seen corresponding path program 1 times [2022-02-11 02:38:49,467 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:38:49,467 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404619011] [2022-02-11 02:38:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:38:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:38:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:38:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:38:49,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:38:49,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404619011] [2022-02-11 02:38:49,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404619011] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:38:49,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:38:49,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 02:38:49,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363015920] [2022-02-11 02:38:49,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:38:49,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 02:38:49,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:38:49,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 02:38:49,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-11 02:38:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,581 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:38:49,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2022-02-11 02:38:49,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:38:49,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:38:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:38:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:38:49,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 02:38:49,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 02:38:49,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 02:38:49,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 02:38:49,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-11 02:38:49,730 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-11 02:38:49,733 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 02:38:49,733 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 02:38:49,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 02:38:49 BasicIcfg [2022-02-11 02:38:49,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 02:38:49,746 INFO L158 Benchmark]: Toolchain (without parser) took 3237.57ms. Allocated memory was 182.5MB in the beginning and 233.8MB in the end (delta: 51.4MB). Free memory was 122.5MB in the beginning and 169.4MB in the end (delta: -46.8MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2022-02-11 02:38:49,749 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 02:38:49,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.22ms. Allocated memory was 182.5MB in the beginning and 233.8MB in the end (delta: 51.4MB). Free memory was 122.3MB in the beginning and 195.5MB in the end (delta: -73.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-11 02:38:49,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.04ms. Allocated memory is still 233.8MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 02:38:49,750 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 233.8MB. Free memory was 193.4MB in the beginning and 191.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 02:38:49,750 INFO L158 Benchmark]: RCFGBuilder took 469.79ms. Allocated memory is still 233.8MB. Free memory was 191.8MB in the beginning and 178.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-11 02:38:49,750 INFO L158 Benchmark]: TraceAbstraction took 2071.39ms. Allocated memory is still 233.8MB. Free memory was 177.7MB in the beginning and 169.4MB in the end (delta: 8.3MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-02-11 02:38:49,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 597.22ms. Allocated memory was 182.5MB in the beginning and 233.8MB in the end (delta: 51.4MB). Free memory was 122.3MB in the beginning and 195.5MB in the end (delta: -73.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.04ms. Allocated memory is still 233.8MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 233.8MB. Free memory was 193.4MB in the beginning and 191.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 469.79ms. Allocated memory is still 233.8MB. Free memory was 191.8MB in the beginning and 178.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2071.39ms. Allocated memory is still 233.8MB. Free memory was 177.7MB in the beginning and 169.4MB in the end (delta: 8.3MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3125, positive: 3070, positive conditional: 1881, positive unconditional: 1189, negative: 55, negative conditional: 31, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3117, positive: 3070, positive conditional: 1881, positive unconditional: 1189, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3117, positive: 3070, positive conditional: 1881, positive unconditional: 1189, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3205, positive: 3070, positive conditional: 1433, positive unconditional: 1637, negative: 135, negative conditional: 88, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3205, positive: 3070, positive conditional: 463, positive unconditional: 2607, negative: 135, negative conditional: 5, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3205, positive: 3070, positive conditional: 463, positive unconditional: 2607, negative: 135, negative conditional: 5, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1225, positive: 1199, positive conditional: 10, positive unconditional: 1189, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1225, positive: 1181, positive conditional: 0, positive unconditional: 1181, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 18, positive conditional: 10, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 71, positive conditional: 20, positive unconditional: 51, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3205, positive: 1871, positive conditional: 453, positive unconditional: 1418, negative: 109, negative conditional: 3, negative unconditional: 106, unknown: 1225, unknown conditional: 12, unknown unconditional: 1213] , Statistics on independence cache: Total cache size (in pairs): 1225, Positive cache size: 1199, Positive conditional cache size: 10, Positive unconditional cache size: 1189, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 1053, Maximal queried relation: 4, Independence queries for same thread: 8 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 228, Number of trivial persistent sets: 91, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1213, positive: 1189, positive conditional: 0, positive unconditional: 1189, 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: 3125, positive: 3070, positive conditional: 1881, positive unconditional: 1189, negative: 55, negative conditional: 31, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3117, positive: 3070, positive conditional: 1881, positive unconditional: 1189, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3117, positive: 3070, positive conditional: 1881, positive unconditional: 1189, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3205, positive: 3070, positive conditional: 1433, positive unconditional: 1637, negative: 135, negative conditional: 88, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3205, positive: 3070, positive conditional: 463, positive unconditional: 2607, negative: 135, negative conditional: 5, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3205, positive: 3070, positive conditional: 463, positive unconditional: 2607, negative: 135, negative conditional: 5, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1225, positive: 1199, positive conditional: 10, positive unconditional: 1189, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1225, positive: 1181, positive conditional: 0, positive unconditional: 1181, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 18, positive conditional: 10, positive unconditional: 8, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 71, positive conditional: 20, positive unconditional: 51, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3205, positive: 1871, positive conditional: 453, positive unconditional: 1418, negative: 109, negative conditional: 3, negative unconditional: 106, unknown: 1225, unknown conditional: 12, unknown unconditional: 1213] , Statistics on independence cache: Total cache size (in pairs): 1225, Positive cache size: 1199, Positive conditional cache size: 10, Positive unconditional cache size: 1189, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Eliminated conditions: 1053, Maximal queried relation: 4, Independence queries for same thread: 8 - 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: 1.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 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! [2022-02-11 02:38:49,790 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 [2022-02-11 02:38:50,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...