/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/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:50:13,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:50:13,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:50:13,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 05:50:13,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:50:13,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:50:13,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:50:13,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:50:13,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:50:13,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:50:13,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:50:13,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 05:50:13,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 05:50:13,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 05:50:13,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 05:50:13,787 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 05:50:13,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:50:13,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:50:13,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:50:13,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:50:13,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:50:13,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:50:13,831 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:50:13,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:50:13,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:50:13,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:50:13,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:50:13,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:50:13,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:50:13,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:50:13,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:50:13,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:50:13,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:50:13,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:50:13,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:50:13,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:50:13,835 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 05:50:13,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:50:14,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:50:14,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:50:14,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:50:14,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 05:50:14,210 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 05:50:14,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2021-06-02 05:50:14,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac664e2fd/3bec40547326471c93113aed6d798418/FLAG1f0e13375 [2021-06-02 05:50:14,827 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 05:50:14,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2021-06-02 05:50:14,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac664e2fd/3bec40547326471c93113aed6d798418/FLAG1f0e13375 [2021-06-02 05:50:15,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac664e2fd/3bec40547326471c93113aed6d798418 [2021-06-02 05:50:15,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:50:15,239 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 05:50:15,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 05:50:15,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 05:50:15,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 05:50:15,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7a6a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15, skipping insertion in model container [2021-06-02 05:50:15,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 05:50:15,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 05:50:15,604 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/triangular-2.i[30952,30965] [2021-06-02 05:50:15,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 05:50:15,616 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 05:50:15,672 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/triangular-2.i[30952,30965] [2021-06-02 05:50:15,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 05:50:15,733 INFO L208 MainTranslator]: Completed translation [2021-06-02 05:50:15,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15 WrapperNode [2021-06-02 05:50:15,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 05:50:15,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:50:15,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:50:15,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:50:15,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:50:15,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:50:15,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:50:15,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:50:15,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (1/1) ... [2021-06-02 05:50:15,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:50:15,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:50:15,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:50:15,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:50:15,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (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 05:50:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-02 05:50:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-02 05:50:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-02 05:50:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-02 05:50:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 05:50:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 05:50:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 05:50:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 05:50:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 05:50:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 05:50:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:50:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:50:15,903 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 05:50:16,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:50:16,261 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-02 05:50:16,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:50:16 BoogieIcfgContainer [2021-06-02 05:50:16,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:50:16,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:50:16,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:50:16,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:50:16,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 05:50:15" (1/3) ... [2021-06-02 05:50:16,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ae1ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:50:16, skipping insertion in model container [2021-06-02 05:50:16,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 05:50:15" (2/3) ... [2021-06-02 05:50:16,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ae1ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:50:16, skipping insertion in model container [2021-06-02 05:50:16,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:50:16" (3/3) ... [2021-06-02 05:50:16,270 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2021-06-02 05:50:16,275 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:50:16,275 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:50:16,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 05:50:16,276 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:50:16,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,298 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,300 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,301 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,301 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,301 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,301 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,301 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,301 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,302 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,302 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,302 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,302 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,305 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,305 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,307 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,309 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,309 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,309 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,310 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,310 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,310 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,314 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,314 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,315 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:50:16,316 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 05:50:16,336 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 05:50:16,397 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:50:16,398 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:50:16,398 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:50:16,398 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:50:16,398 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:50:16,398 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:50:16,398 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:50:16,399 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:50:16,524 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash 855509438, now seen corresponding path program 1 times [2021-06-02 05:50:16,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:16,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119784327] [2021-06-02 05:50:16,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:16,844 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 05:50:16,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:16,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119784327] [2021-06-02 05:50:16,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119784327] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:50:16,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:50:16,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 05:50:16,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083262603] [2021-06-02 05:50:16,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 05:50:16,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:16,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 05:50:16,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-02 05:50:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:16,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:16,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 05:50:16,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:17,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:17,123 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 05:50:17,124 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:17,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1332719248, now seen corresponding path program 1 times [2021-06-02 05:50:17,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:17,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331149720] [2021-06-02 05:50:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:17,210 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 05:50:17,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:17,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331149720] [2021-06-02 05:50:17,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331149720] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:50:17,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:50:17,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 05:50:17,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893952103] [2021-06-02 05:50:17,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 05:50:17,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:17,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 05:50:17,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 05:50:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:17,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:17,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:50:17,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:17,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:17,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 05:50:17,309 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:17,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:17,310 INFO L82 PathProgramCache]: Analyzing trace with hash -2088528040, now seen corresponding path program 1 times [2021-06-02 05:50:17,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:17,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814653839] [2021-06-02 05:50:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:50:17,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:17,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814653839] [2021-06-02 05:50:17,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814653839] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:17,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561690430] [2021-06-02 05:50:17,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:17,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-02 05:50:17,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:50:17,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561690430] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:17,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:50:17,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-02 05:50:17,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815519725] [2021-06-02 05:50:17,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 05:50:17,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 05:50:17,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-02 05:50:17,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:17,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:17,808 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 05:50:17,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:18,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:18,111 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:18,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:18,112 INFO L82 PathProgramCache]: Analyzing trace with hash 485092240, now seen corresponding path program 2 times [2021-06-02 05:50:18,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:18,112 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404051998] [2021-06-02 05:50:18,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:50:18,215 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:18,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404051998] [2021-06-02 05:50:18,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404051998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:18,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077813969] [2021-06-02 05:50:18,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:18,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 05:50:18,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 05:50:18,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-02 05:50:18,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:50:18,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077813969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:18,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:50:18,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-02 05:50:18,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461201191] [2021-06-02 05:50:18,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-02 05:50:18,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:18,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-02 05:50:18,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-02 05:50:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:18,485 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:18,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 05:50:18,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:18,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:18,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:18,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:18,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:18,817 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:18,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:18,817 INFO L82 PathProgramCache]: Analyzing trace with hash 703035992, now seen corresponding path program 3 times [2021-06-02 05:50:18,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:18,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660437961] [2021-06-02 05:50:18,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:50:18,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:18,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660437961] [2021-06-02 05:50:18,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660437961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:18,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109593342] [2021-06-02 05:50:18,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:18,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-02 05:50:18,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 05:50:18,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-02 05:50:18,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-02 05:50:19,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109593342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:19,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:50:19,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-06-02 05:50:19,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901318966] [2021-06-02 05:50:19,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-02 05:50:19,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:19,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-02 05:50:19,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-06-02 05:50:19,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:19,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:19,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.266666666666667) internal successors, (94), 15 states have internal predecessors, (94), 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 05:50:19,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-02 05:50:20,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:20,689 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:20,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1161575589, now seen corresponding path program 1 times [2021-06-02 05:50:20,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:20,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667634850] [2021-06-02 05:50:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-02 05:50:20,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:20,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667634850] [2021-06-02 05:50:20,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667634850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:20,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861566130] [2021-06-02 05:50:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:20,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 05:50:20,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-02 05:50:21,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861566130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:21,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:50:21,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13 [2021-06-02 05:50:21,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827304410] [2021-06-02 05:50:21,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-02 05:50:21,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:21,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-02 05:50:21,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-02 05:50:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:21,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:21,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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 05:50:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-02 05:50:21,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:21,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-02 05:50:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:21,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-02 05:50:21,597 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:21,598 INFO L82 PathProgramCache]: Analyzing trace with hash -2090452358, now seen corresponding path program 2 times [2021-06-02 05:50:21,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:21,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418206584] [2021-06-02 05:50:21,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 05:50:21,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:21,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418206584] [2021-06-02 05:50:21,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418206584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:21,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180442219] [2021-06-02 05:50:21,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:21,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 05:50:21,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 05:50:21,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-02 05:50:21,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 05:50:21,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180442219] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:50:21,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-02 05:50:21,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-02 05:50:21,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203030723] [2021-06-02 05:50:21,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-02 05:50:21,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:21,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-02 05:50:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-02 05:50:21,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:21,968 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:21,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 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 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-02 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:21,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 05:50:22,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:22,468 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:22,468 INFO L82 PathProgramCache]: Analyzing trace with hash -337700798, now seen corresponding path program 3 times [2021-06-02 05:50:22,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:22,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343647493] [2021-06-02 05:50:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-02 05:50:22,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:22,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343647493] [2021-06-02 05:50:22,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343647493] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:22,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128491731] [2021-06-02 05:50:22,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:22,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-02 05:50:22,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 05:50:22,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-02 05:50:22,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-02 05:50:22,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128491731] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:22,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:50:22,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-06-02 05:50:22,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693307312] [2021-06-02 05:50:22,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-02 05:50:22,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:22,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-02 05:50:22,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-02 05:50:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:22,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:22,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 14 states have internal predecessors, (90), 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 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 05:50:22,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 05:50:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-02 05:50:23,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:23,686 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:23,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:23,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1401386255, now seen corresponding path program 4 times [2021-06-02 05:50:23,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:23,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998376996] [2021-06-02 05:50:23,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:50:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-02 05:50:23,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:50:23,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998376996] [2021-06-02 05:50:23,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998376996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:23,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697632765] [2021-06-02 05:50:23,836 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:50:23,903 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 05:50:23,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 05:50:23,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-02 05:50:23,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:50:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-02 05:50:24,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697632765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:50:24,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:50:24,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 16 [2021-06-02 05:50:24,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945226553] [2021-06-02 05:50:24,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-02 05:50:24,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:50:24,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-02 05:50:24,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-06-02 05:50:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:24,119 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:50:24,119 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 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 05:50:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-02 05:50:24,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:24,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-02 05:50:24,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-02 05:50:24,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:50:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 05:50:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 05:50:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 05:50:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 05:50:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-02 05:50:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 05:50:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 05:50:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-02 05:50:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 05:50:25,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-02 05:50:25,013 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 05:50:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:50:25,013 INFO L82 PathProgramCache]: Analyzing trace with hash 288471596, now seen corresponding path program 5 times [2021-06-02 05:50:25,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:50:25,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173906099] [2021-06-02 05:50:25,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:50:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-02 05:50:25,034 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-02 05:50:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-02 05:50:25,053 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-02 05:50:25,084 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-02 05:50:25,085 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-02 05:50:25,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-02 05:50:25,095 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:50:25,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:50:25 BasicIcfg [2021-06-02 05:50:25,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:50:25,175 INFO L168 Benchmark]: Toolchain (without parser) took 9935.88 ms. Allocated memory was 352.3 MB in the beginning and 509.6 MB in the end (delta: 157.3 MB). Free memory was 314.8 MB in the beginning and 440.9 MB in the end (delta: -126.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.0 GB. [2021-06-02 05:50:25,175 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 352.3 MB. Free memory was 333.2 MB in the beginning and 333.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:50:25,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.51 ms. Allocated memory is still 352.3 MB. Free memory was 314.6 MB in the beginning and 316.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:50:25,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.81 ms. Allocated memory is still 352.3 MB. Free memory was 316.6 MB in the beginning and 314.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:50:25,175 INFO L168 Benchmark]: Boogie Preprocessor took 32.43 ms. Allocated memory is still 352.3 MB. Free memory was 314.5 MB in the beginning and 313.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:50:25,175 INFO L168 Benchmark]: RCFGBuilder took 441.55 ms. Allocated memory is still 352.3 MB. Free memory was 313.4 MB in the beginning and 290.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:50:25,176 INFO L168 Benchmark]: TraceAbstraction took 8909.99 ms. Allocated memory was 352.3 MB in the beginning and 509.6 MB in the end (delta: 157.3 MB). Free memory was 290.4 MB in the beginning and 440.9 MB in the end (delta: -150.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.0 GB. [2021-06-02 05:50:25,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 352.3 MB. Free memory was 333.2 MB in the beginning and 333.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 493.51 ms. Allocated memory is still 352.3 MB. Free memory was 314.6 MB in the beginning and 316.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.81 ms. Allocated memory is still 352.3 MB. Free memory was 316.6 MB in the beginning and 314.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.43 ms. Allocated memory is still 352.3 MB. Free memory was 314.5 MB in the beginning and 313.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 441.55 ms. Allocated memory is still 352.3 MB. Free memory was 313.4 MB in the beginning and 290.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8909.99 ms. Allocated memory was 352.3 MB in the beginning and 509.6 MB in the end (delta: 157.3 MB). Free memory was 290.4 MB in the beginning and 440.9 MB in the end (delta: -150.5 MB). Peak memory consumption was 9.9 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: 8335, positive: 6437, positive conditional: 6437, positive unconditional: 0, negative: 1898, negative conditional: 1898, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6741, positive: 6437, positive conditional: 6437, positive unconditional: 0, negative: 304, negative conditional: 304, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10852, positive: 10179, positive conditional: 0, positive unconditional: 10179, negative: 673, negative conditional: 0, negative unconditional: 673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2050, positive: 2040, positive conditional: 0, positive unconditional: 2040, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2050, positive: 2037, positive conditional: 0, positive unconditional: 2037, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10852, positive: 8139, positive conditional: 0, positive unconditional: 8139, negative: 663, negative conditional: 0, negative unconditional: 663, unknown: 2050, unknown conditional: 0, unknown unconditional: 2050] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560, SemanticConditionEliminator.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3846, positive: 341, positive conditional: 341, positive unconditional: 0, negative: 3505, negative conditional: 945, negative unconditional: 2560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3846, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 3412, negative conditional: 852, negative unconditional: 2560, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10, Eliminated conditions: 2560 ], Maximal queried relation: 9, Independence queries for same thread: 1594 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 704, Number of persistent set computation: 3161, Number of trivial persistent sets: 2791, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 10852, positive: 10179, positive conditional: 0, positive unconditional: 10179, negative: 673, negative conditional: 0, negative unconditional: 673, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2050, positive: 2040, positive conditional: 0, positive unconditional: 2040, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2050, positive: 2037, positive conditional: 0, positive unconditional: 2037, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 30, positive conditional: 27, positive unconditional: 3, negative: 103, negative conditional: 93, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 254, positive: 88, positive conditional: 44, positive unconditional: 43, negative: 166, negative conditional: 145, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10852, positive: 8139, positive conditional: 0, positive unconditional: 8139, negative: 663, negative conditional: 0, negative unconditional: 663, unknown: 2050, unknown conditional: 0, unknown unconditional: 2050] , Statistics on independence cache: Total cache size (in pairs): 2170, Positive cache size: 2067, Positive conditional cache size: 27, Positive unconditional cache size: 2040, Negative cache size: 103, Negative conditional cache size: 93, Negative unconditional cache size: 10 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [i=3, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=3, j=6] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, i=3, j=6] [L716] 0 int condI = i >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, i=3, j=6] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L696] COND FALSE 1 !(k < 5) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] [L719] 0 int condJ = j >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L721] COND TRUE 0 condI || condJ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] [L722] 0 reach_error() VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8741.4ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.4ms, PartialOrderReductionTime: 3900.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 195, 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: 120.5ms SsaConstructionTime, 376.8ms SatisfiabilityAnalysisTime, 2203.6ms InterpolantComputationTime, 1051 NumberOfCodeBlocks, 1036 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 3893 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1026 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 236/626 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...