/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/safe020_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:35:04,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:35:04,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:35:04,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:35:04,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:35:04,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:35:04,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:35:04,973 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 06:35:05,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:35:05,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:35:05,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:35:05,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:35:05,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:35:05,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:35:05,005 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:35:05,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:35:05,006 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:35:05,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:35:05,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:35:05,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:35:05,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:35:05,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:35:05,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:35:05,008 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:35:05,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:35:05,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:35:05,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:35:05,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:35:05,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:35:05,272 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:35:05,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc.i [2021-06-02 06:35:05,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64bf82c79/5381ce02d83b4cc2be475069e66b7c62/FLAG68d068820 [2021-06-02 06:35:05,753 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:35:05,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc.i [2021-06-02 06:35:05,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64bf82c79/5381ce02d83b4cc2be475069e66b7c62/FLAG68d068820 [2021-06-02 06:35:05,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64bf82c79/5381ce02d83b4cc2be475069e66b7c62 [2021-06-02 06:35:05,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:35:05,787 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:35:05,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:35:05,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:35:05,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:35:05,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:35:05" (1/1) ... [2021-06-02 06:35:05,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a83ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:05, skipping insertion in model container [2021-06-02 06:35:05,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:35:05" (1/1) ... [2021-06-02 06:35:05,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:35:05,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:35:05,934 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/safe020_pso.oepc.i[950,963] [2021-06-02 06:35:06,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:35:06,043 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:35:06,051 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/safe020_pso.oepc.i[950,963] [2021-06-02 06:35:06,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:35:06,125 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:35:06,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06 WrapperNode [2021-06-02 06:35:06,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:35:06,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:35:06,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:35:06,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:35:06,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:35:06,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:35:06,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:35:06,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:35:06,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (1/1) ... [2021-06-02 06:35:06,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:35:06,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:35:06,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:35:06,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:35:06,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (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 06:35:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:35:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:35:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:35:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:35:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:35:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:35:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:35:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:35:06,288 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 06:35:06,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:35:06,571 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:35:06,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:35:06 BoogieIcfgContainer [2021-06-02 06:35:06,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:35:06,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:35:06,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:35:06,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:35:06,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:35:05" (1/3) ... [2021-06-02 06:35:06,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7450ce65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:35:06, skipping insertion in model container [2021-06-02 06:35:06,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:06" (2/3) ... [2021-06-02 06:35:06,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7450ce65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:35:06, skipping insertion in model container [2021-06-02 06:35:06,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:35:06" (3/3) ... [2021-06-02 06:35:06,577 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc.i [2021-06-02 06:35:06,581 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:35:06,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:35:06,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:35:06,582 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:35:06,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,613 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,613 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,614 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,615 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:35:06,616 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:35:06,631 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 06:35:06,675 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:35:06,676 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:35:06,676 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:35:06,676 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:35:06,676 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:35:06,676 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:35:06,676 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:35:06,676 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:35:06,871 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:35:06,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:35:06,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1333187383, now seen corresponding path program 1 times [2021-06-02 06:35:06,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:35:06,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055419805] [2021-06-02 06:35:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:35:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:35:07,208 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 06:35:07,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:35:07,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055419805] [2021-06-02 06:35:07,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055419805] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:35:07,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:35:07,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:35:07,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25967778] [2021-06-02 06:35:07,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:35:07,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:35:07,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:35:07,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:35:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:07,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:35:07,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 06:35:07,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:35:07,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:35:07,459 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:35:07,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:35:07,462 INFO L82 PathProgramCache]: Analyzing trace with hash 399660202, now seen corresponding path program 1 times [2021-06-02 06:35:07,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:35:07,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926692015] [2021-06-02 06:35:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:35:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:35:07,591 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 06:35:07,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:35:07,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926692015] [2021-06-02 06:35:07,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926692015] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:35:07,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:35:07,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:35:07,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110146549] [2021-06-02 06:35:07,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:35:07,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:35:07,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:35:07,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:35:07,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:07,593 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:35:07,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 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) [2021-06-02 06:35:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:35:07,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:35:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:07,722 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:35:07,722 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:35:07,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:35:07,722 INFO L82 PathProgramCache]: Analyzing trace with hash 240190577, now seen corresponding path program 1 times [2021-06-02 06:35:07,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:35:07,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656471174] [2021-06-02 06:35:07,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:35:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:35:07,816 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 06:35:07,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:35:07,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656471174] [2021-06-02 06:35:07,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656471174] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:35:07,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:35:07,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:35:07,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079040236] [2021-06-02 06:35:07,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:35:07,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:35:07,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:35:07,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:35:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:07,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:35:07,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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 06:35:07,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:35:07,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:07,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:35:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:35:08,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:35:08,037 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:35:08,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:35:08,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1194053924, now seen corresponding path program 1 times [2021-06-02 06:35:08,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:35:08,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113238210] [2021-06-02 06:35:08,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:35:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:35:08,129 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 06:35:08,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:35:08,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113238210] [2021-06-02 06:35:08,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113238210] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:35:08,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:35:08,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:35:08,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943209975] [2021-06-02 06:35:08,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:35:08,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:35:08,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:35:08,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:35:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:08,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:35:08,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 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 06:35:08,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:35:08,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:35:08,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:35:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:35:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:35:08,290 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:35:08,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:35:08,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1116358756, now seen corresponding path program 2 times [2021-06-02 06:35:08,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:35:08,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115944704] [2021-06-02 06:35:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:35:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:35:08,416 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 06:35:08,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:35:08,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115944704] [2021-06-02 06:35:08,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115944704] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:35:08,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:35:08,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:35:08,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68555338] [2021-06-02 06:35:08,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:35:08,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:35:08,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:35:08,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:35:08,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:08,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:35:08,418 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 06:35:08,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:35:08,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:35:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:35:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:35:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:35:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:35:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:35:08,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:35:08,665 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:35:08,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:35:08 BasicIcfg [2021-06-02 06:35:08,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:35:08,667 INFO L168 Benchmark]: Toolchain (without parser) took 2890.22 ms. Allocated memory was 339.7 MB in the beginning and 427.8 MB in the end (delta: 88.1 MB). Free memory was 301.7 MB in the beginning and 264.8 MB in the end (delta: 36.9 MB). Peak memory consumption was 125.6 MB. Max. memory is 16.0 GB. [2021-06-02 06:35:08,667 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 339.7 MB. Free memory was 319.8 MB in the beginning and 319.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:35:08,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.54 ms. Allocated memory is still 339.7 MB. Free memory was 301.5 MB in the beginning and 302.4 MB in the end (delta: -912.2 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-02 06:35:08,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.92 ms. Allocated memory is still 339.7 MB. Free memory was 302.4 MB in the beginning and 300.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:35:08,668 INFO L168 Benchmark]: Boogie Preprocessor took 27.21 ms. Allocated memory is still 339.7 MB. Free memory was 300.3 MB in the beginning and 299.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:35:08,668 INFO L168 Benchmark]: RCFGBuilder took 370.38 ms. Allocated memory is still 339.7 MB. Free memory was 299.3 MB in the beginning and 273.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-02 06:35:08,669 INFO L168 Benchmark]: TraceAbstraction took 2093.65 ms. Allocated memory was 339.7 MB in the beginning and 427.8 MB in the end (delta: 88.1 MB). Free memory was 273.1 MB in the beginning and 264.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 97.4 MB. Max. memory is 16.0 GB. [2021-06-02 06:35:08,670 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 339.7 MB. Free memory was 319.8 MB in the beginning and 319.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 337.54 ms. Allocated memory is still 339.7 MB. Free memory was 301.5 MB in the beginning and 302.4 MB in the end (delta: -912.2 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.92 ms. Allocated memory is still 339.7 MB. Free memory was 302.4 MB in the beginning and 300.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.21 ms. Allocated memory is still 339.7 MB. Free memory was 300.3 MB in the beginning and 299.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 370.38 ms. Allocated memory is still 339.7 MB. Free memory was 299.3 MB in the beginning and 273.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2093.65 ms. Allocated memory was 339.7 MB in the beginning and 427.8 MB in the end (delta: 88.1 MB). Free memory was 273.1 MB in the beginning and 264.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 97.4 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: 4009, positive: 3909, positive conditional: 3909, positive unconditional: 0, negative: 100, negative conditional: 100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3977, positive: 3909, positive conditional: 3909, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12955, positive: 12690, positive conditional: 0, positive unconditional: 12690, negative: 265, negative conditional: 0, negative unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2480, positive: 2447, positive conditional: 0, positive unconditional: 2447, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2480, positive: 2425, positive conditional: 0, positive unconditional: 2425, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12955, positive: 10243, positive conditional: 0, positive unconditional: 10243, negative: 232, negative conditional: 0, negative unconditional: 232, unknown: 2480, unknown conditional: 0, unknown unconditional: 2480] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33, SemanticConditionEliminator.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 541, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 394, negative conditional: 17, negative unconditional: 377, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33, Eliminated conditions: 377, SemanticConditionEliminator.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 541, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 394, negative conditional: 17, negative unconditional: 377, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33, Eliminated conditions: 377, SemanticConditionEliminator.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 541, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 394, negative conditional: 17, negative unconditional: 377, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33, Eliminated conditions: 377, SemanticConditionEliminator.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 541, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 394, negative conditional: 17, negative unconditional: 377, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33, Eliminated conditions: 377, SemanticConditionEliminator.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 399, negative conditional: 22, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 541, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 394, negative conditional: 17, negative unconditional: 377, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33, Eliminated conditions: 377 ], Maximal queried relation: 5, Independence queries for same thread: 32 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 433, Number of persistent set computation: 1186, Number of trivial persistent sets: 906, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 12955, positive: 12690, positive conditional: 0, positive unconditional: 12690, negative: 265, negative conditional: 0, negative unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2480, positive: 2447, positive conditional: 0, positive unconditional: 2447, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2480, positive: 2425, positive conditional: 0, positive unconditional: 2425, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 38, negative conditional: 5, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 66, positive conditional: 10, positive unconditional: 56, negative: 71, negative conditional: 6, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12955, positive: 10243, positive conditional: 0, positive unconditional: 10243, negative: 232, negative conditional: 0, negative unconditional: 232, unknown: 2480, unknown conditional: 0, unknown unconditional: 2480] , Statistics on independence cache: Total cache size (in pairs): 2493, Positive cache size: 2455, Positive conditional cache size: 8, Positive unconditional cache size: 2447, Negative cache size: 38, Negative conditional cache size: 5, Negative unconditional cache size: 33 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2022.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 1155.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 23.9ms SsaConstructionTime, 128.3ms SatisfiabilityAnalysisTime, 538.3ms InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 1209 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...