/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:36:27,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:36:27,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:36:27,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:36:27,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:36:27,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:36:27,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:36:27,731 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:36:27,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:36:27,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:36:27,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:36:27,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:36:27,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:36:27,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:36:27,760 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:36:27,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:36:27,760 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:36:27,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:36:27,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:36:27,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:36:27,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:36:27,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:36:27,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:36:27,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:36:28,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:36:28,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:36:28,004 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:36:28,004 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:36:28,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i [2021-06-02 06:36:28,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04a93e9a/37b270926d8d41e99917e299f3a6a469/FLAG57bfae57f [2021-06-02 06:36:28,506 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:36:28,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i [2021-06-02 06:36:28,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04a93e9a/37b270926d8d41e99917e299f3a6a469/FLAG57bfae57f [2021-06-02 06:36:29,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04a93e9a/37b270926d8d41e99917e299f3a6a469 [2021-06-02 06:36:29,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:36:29,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:36:29,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:36:29,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:36:29,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:36:29,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1ba6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29, skipping insertion in model container [2021-06-02 06:36:29,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:36:29,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:36:29,193 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i[949,962] [2021-06-02 06:36:29,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:36:29,308 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:36:29,315 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.opt.i[949,962] [2021-06-02 06:36:29,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:36:29,374 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:36:29,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29 WrapperNode [2021-06-02 06:36:29,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:36:29,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:36:29,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:36:29,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:36:29,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:36:29,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:36:29,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:36:29,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:36:29,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... [2021-06-02 06:36:29,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:36:29,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:36:29,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:36:29,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:36:29,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:36:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:36:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:36:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:36:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:36:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:36:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:36:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:36:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:36:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:36:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:36:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:36:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:36:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:36:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:36:29,479 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:36:29,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:36:29,827 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:36:29,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:36:29 BoogieIcfgContainer [2021-06-02 06:36:29,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:36:29,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:36:29,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:36:29,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:36:29,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:36:29" (1/3) ... [2021-06-02 06:36:29,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e3c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:36:29, skipping insertion in model container [2021-06-02 06:36:29,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:36:29" (2/3) ... [2021-06-02 06:36:29,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e3c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:36:29, skipping insertion in model container [2021-06-02 06:36:29,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:36:29" (3/3) ... [2021-06-02 06:36:29,836 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_tso.opt.i [2021-06-02 06:36:29,842 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:36:29,843 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:36:29,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:36:29,843 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,886 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,889 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,891 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,891 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:36:29,894 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:36:29,908 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:36:29,946 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:36:29,946 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:36:29,946 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:36:29,946 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:36:29,947 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:36:29,947 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:36:29,947 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:36:29,947 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:36:30,100 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:36:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:36:30,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1943773822, now seen corresponding path program 1 times [2021-06-02 06:36:30,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:36:30,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58877765] [2021-06-02 06:36:30,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:36:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:36:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:36:30,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:36:30,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58877765] [2021-06-02 06:36:30,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58877765] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:36:30,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:36:30,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:36:30,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526832377] [2021-06-02 06:36:30,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:36:30,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:36:30,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:36:30,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:36:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:30,450 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:36:30,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:36:30,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:30,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:36:30,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:36:30,783 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:36:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:36:30,783 INFO L82 PathProgramCache]: Analyzing trace with hash 802551661, now seen corresponding path program 1 times [2021-06-02 06:36:30,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:36:30,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772850687] [2021-06-02 06:36:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:36:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:36:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:36:30,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:36:30,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772850687] [2021-06-02 06:36:30,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772850687] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:36:30,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:36:30,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:36:30,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659031309] [2021-06-02 06:36:30,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:36:30,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:36:30,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:36:30,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:36:30,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:30,876 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:36:30,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:36:30,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:36:30,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:36:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:30,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:36:30,993 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:36:30,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:36:30,995 INFO L82 PathProgramCache]: Analyzing trace with hash -436740165, now seen corresponding path program 1 times [2021-06-02 06:36:30,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:36:30,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354728077] [2021-06-02 06:36:30,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:36:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:36:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:36:31,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:36:31,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354728077] [2021-06-02 06:36:31,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354728077] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:36:31,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:36:31,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:36:31,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579270930] [2021-06-02 06:36:31,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:36:31,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:36:31,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:36:31,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:36:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:31,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:36:31,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:36:31,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:36:31,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:31,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:36:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:36:31,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:36:31,278 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:36:31,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:36:31,278 INFO L82 PathProgramCache]: Analyzing trace with hash -2113142834, now seen corresponding path program 1 times [2021-06-02 06:36:31,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:36:31,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319496552] [2021-06-02 06:36:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:36:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:36:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:36:31,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:36:31,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319496552] [2021-06-02 06:36:31,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319496552] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:36:31,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:36:31,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:36:31,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637930366] [2021-06-02 06:36:31,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:36:31,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:36:31,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:36:31,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:36:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:31,373 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:36:31,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:36:31,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:36:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:36:31,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:36:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:36:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 06:36:31,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:36:31,757 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:36:31,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:36:31,757 INFO L82 PathProgramCache]: Analyzing trace with hash 2138169276, now seen corresponding path program 2 times [2021-06-02 06:36:31,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:36:31,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860496476] [2021-06-02 06:36:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:36:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:36:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:36:31,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:36:31,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860496476] [2021-06-02 06:36:31,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860496476] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:36:31,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:36:31,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:36:31,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67291292] [2021-06-02 06:36:31,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:36:31,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:36:31,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:36:31,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:36:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:31,836 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:36:31,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:36:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:36:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:36:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 06:36:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:36:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:36:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:36:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:36:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 06:36:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:36:32,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:36:32,123 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:36:32,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:36:32 BasicIcfg [2021-06-02 06:36:32,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:36:32,125 INFO L168 Benchmark]: Toolchain (without parser) took 3098.09 ms. Allocated memory was 371.2 MB in the beginning and 448.8 MB in the end (delta: 77.6 MB). Free memory was 334.1 MB in the beginning and 349.7 MB in the end (delta: -15.6 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:36:32,125 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory was 352.0 MB in the beginning and 352.0 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:36:32,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.23 ms. Allocated memory is still 371.2 MB. Free memory was 333.8 MB in the beginning and 333.1 MB in the end (delta: 708.0 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-06-02 06:36:32,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.62 ms. Allocated memory is still 371.2 MB. Free memory was 333.1 MB in the beginning and 331.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:36:32,126 INFO L168 Benchmark]: Boogie Preprocessor took 13.99 ms. Allocated memory is still 371.2 MB. Free memory was 331.0 MB in the beginning and 330.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:36:32,126 INFO L168 Benchmark]: RCFGBuilder took 414.07 ms. Allocated memory is still 371.2 MB. Free memory was 330.0 MB in the beginning and 303.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:36:32,127 INFO L168 Benchmark]: TraceAbstraction took 2293.45 ms. Allocated memory was 371.2 MB in the beginning and 448.8 MB in the end (delta: 77.6 MB). Free memory was 303.8 MB in the beginning and 349.7 MB in the end (delta: -45.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.0 GB. [2021-06-02 06:36:32,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory was 352.0 MB in the beginning and 352.0 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 346.23 ms. Allocated memory is still 371.2 MB. Free memory was 333.8 MB in the beginning and 333.1 MB in the end (delta: 708.0 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.62 ms. Allocated memory is still 371.2 MB. Free memory was 333.1 MB in the beginning and 331.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.99 ms. Allocated memory is still 371.2 MB. Free memory was 331.0 MB in the beginning and 330.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 414.07 ms. Allocated memory is still 371.2 MB. Free memory was 330.0 MB in the beginning and 303.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2293.45 ms. Allocated memory was 371.2 MB in the beginning and 448.8 MB in the end (delta: 77.6 MB). Free memory was 303.8 MB in the beginning and 349.7 MB in the end (delta: -45.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6004, positive: 5856, positive conditional: 5856, positive unconditional: 0, negative: 148, negative conditional: 148, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5958, positive: 5856, positive conditional: 5856, positive unconditional: 0, negative: 102, negative conditional: 102, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15143, positive: 14737, positive conditional: 0, positive unconditional: 14737, negative: 406, negative conditional: 0, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2615, positive: 2570, positive conditional: 0, positive unconditional: 2570, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2615, positive: 2548, positive conditional: 0, positive unconditional: 2548, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15143, positive: 12167, positive conditional: 0, positive unconditional: 12167, negative: 361, negative conditional: 0, negative unconditional: 361, unknown: 2615, unknown conditional: 0, unknown unconditional: 2615] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45, SemanticConditionEliminator.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 893, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 655, negative conditional: 42, negative unconditional: 613, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45, Eliminated conditions: 613, SemanticConditionEliminator.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 893, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 655, negative conditional: 42, negative unconditional: 613, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45, Eliminated conditions: 613, SemanticConditionEliminator.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 893, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 655, negative conditional: 42, negative unconditional: 613, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45, Eliminated conditions: 613, SemanticConditionEliminator.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 893, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 655, negative conditional: 42, negative unconditional: 613, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45, Eliminated conditions: 613, SemanticConditionEliminator.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 893, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 663, negative conditional: 50, negative unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 893, positive: 221, positive conditional: 221, positive unconditional: 0, negative: 655, negative conditional: 42, negative unconditional: 613, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45, Eliminated conditions: 613 ], Maximal queried relation: 5, Independence queries for same thread: 46 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 540, Number of persistent set computation: 1591, Number of trivial persistent sets: 1246, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 15143, positive: 14737, positive conditional: 0, positive unconditional: 14737, negative: 406, negative conditional: 0, negative unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2615, positive: 2570, positive conditional: 0, positive unconditional: 2570, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2615, positive: 2548, positive conditional: 0, positive unconditional: 2548, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 53, negative conditional: 8, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 177, positive: 93, positive conditional: 9, positive unconditional: 84, negative: 84, negative conditional: 11, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15143, positive: 12167, positive conditional: 0, positive unconditional: 12167, negative: 361, negative conditional: 0, negative unconditional: 361, unknown: 2615, unknown conditional: 0, unknown unconditional: 2615] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2579, Positive conditional cache size: 9, Positive unconditional cache size: 2570, Negative cache size: 53, Negative conditional cache size: 8, Negative unconditional cache size: 45 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2203.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 1410.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 91.8ms SatisfiabilityAnalysisTime, 529.5ms InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 1420 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! Received shutdown request...