/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:47:38,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:47:38,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:47:38,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:47:38,711 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-Sleep-SemanticLbe-Delay.epf [2021-03-12 21:47:38,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:47:38,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:47:38,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:47:38,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:47:38,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:47:38,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:47:38,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:47:38,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:47:38,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:47:38,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:47:38,734 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:47:38,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:47:38,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:47:38,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:47:38,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:47:38,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:47:39,000 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:47:39,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_pso.opt.i [2021-03-12 21:47:39,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d3f0772/9015108c0307485e8bc50ba894086005/FLAG231784b02 [2021-03-12 21:47:39,444 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:47:39,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_pso.opt.i [2021-03-12 21:47:39,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d3f0772/9015108c0307485e8bc50ba894086005/FLAG231784b02 [2021-03-12 21:47:39,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69d3f0772/9015108c0307485e8bc50ba894086005 [2021-03-12 21:47:39,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:47:39,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:47:39,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:47:39,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:47:39,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:47:39,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a529920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39, skipping insertion in model container [2021-03-12 21:47:39,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:47:39,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:47:39,653 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_pso.opt.i[949,962] [2021-03-12 21:47:39,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:47:39,813 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:47:39,822 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_pso.opt.i[949,962] [2021-03-12 21:47:39,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:47:39,918 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:47:39,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39 WrapperNode [2021-03-12 21:47:39,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:47:39,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:47:39,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:47:39,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:47:39,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:47:39,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:47:39,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:47:39,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:47:39,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (1/1) ... [2021-03-12 21:47:39,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:47:39,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:47:39,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:47:39,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:47:39,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (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 [2021-03-12 21:47:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:47:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:47:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:47:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:47:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:47:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:47:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:47:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:47:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:47:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:47:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:47:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:47:40,048 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 21:47:41,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:47:41,227 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-12 21:47:41,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:47:41 BoogieIcfgContainer [2021-03-12 21:47:41,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:47:41,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:47:41,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:47:41,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:47:41,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:47:39" (1/3) ... [2021-03-12 21:47:41,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbc51ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:47:41, skipping insertion in model container [2021-03-12 21:47:41,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:47:39" (2/3) ... [2021-03-12 21:47:41,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbc51ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:47:41, skipping insertion in model container [2021-03-12 21:47:41,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:47:41" (3/3) ... [2021-03-12 21:47:41,233 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_pso.opt.i [2021-03-12 21:47:41,238 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:47:41,238 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:47:41,241 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 21:47:41,241 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:47:41,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,258 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,258 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,266 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:41,268 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:47:41,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 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) [2021-03-12 21:47:41,316 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:47:41,316 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:47:41,316 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:47:41,316 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:47:41,316 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:47:41,316 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:47:41,316 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:47:41,316 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 21:47:41,322 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:47:41,322 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2021-03-12 21:47:41,323 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 79 transitions, 168 flow [2021-03-12 21:47:41,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2021-03-12 21:47:41,353 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2021-03-12 21:47:41,353 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:47:41,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-03-12 21:47:41,357 INFO L116 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-12 21:47:42,604 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-03-12 21:47:42,938 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-03-12 21:47:43,047 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 21:47:44,386 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-03-12 21:47:44,690 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-03-12 21:47:44,789 INFO L131 LiptonReduction]: Checked pairs total: 2328 [2021-03-12 21:47:44,789 INFO L133 LiptonReduction]: Total number of compositions: 69 [2021-03-12 21:47:44,813 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:44,816 INFO L82 PathProgramCache]: Analyzing trace with hash 880827873, now seen corresponding path program 1 times [2021-03-12 21:47:44,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:44,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283301245] [2021-03-12 21:47:44,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:47:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:47:45,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283301245] [2021-03-12 21:47:45,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:47:45,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 21:47:45,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328440939] [2021-03-12 21:47:45,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:47:45,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:47:45,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:47:45,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:47:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:45,079 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:47:45,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-03-12 21:47:45,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:45,132 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:45,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:47:45,151 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:45,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:45,152 INFO L82 PathProgramCache]: Analyzing trace with hash -753388669, now seen corresponding path program 1 times [2021-03-12 21:47:45,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:45,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082298440] [2021-03-12 21:47:45,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:47:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:47:45,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082298440] [2021-03-12 21:47:45,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:47:45,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:47:45,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552258574] [2021-03-12 21:47:45,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:47:45,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:47:45,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:47:45,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:47:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:45,261 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:47:45,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-03-12 21:47:45,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:45,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:45,282 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,283 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,295 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,296 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,297 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,298 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,320 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,321 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,321 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,321 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,321 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,321 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,321 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,322 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,365 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,365 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,366 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:45,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:47:45,388 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:45,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:45,393 INFO L82 PathProgramCache]: Analyzing trace with hash 6348948, now seen corresponding path program 1 times [2021-03-12 21:47:45,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:45,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697017321] [2021-03-12 21:47:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:47:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:47:45,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697017321] [2021-03-12 21:47:45,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:47:45,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 21:47:45,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230622179] [2021-03-12 21:47:45,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 21:47:45,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:47:45,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 21:47:45,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 21:47:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:45,534 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:47:45,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-03-12 21:47:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:45,592 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,594 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,640 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,640 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,640 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,640 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,640 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,641 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,645 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,645 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,645 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,645 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,646 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,646 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,646 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,646 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,647 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,740 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,749 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,761 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,773 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,788 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,818 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,818 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,818 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,819 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,847 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,850 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,850 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,850 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,850 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,850 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,850 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,888 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,888 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,888 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,888 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,888 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,889 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,889 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,889 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,889 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,889 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,914 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,914 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,914 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,915 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,915 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,915 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,915 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,915 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,915 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,952 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:45,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:45,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:45,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:45,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:47:45,990 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:45,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:45,991 INFO L82 PathProgramCache]: Analyzing trace with hash 154708128, now seen corresponding path program 2 times [2021-03-12 21:47:45,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:45,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502270749] [2021-03-12 21:47:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:47:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:47:46,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502270749] [2021-03-12 21:47:46,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:47:46,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 21:47:46,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763370310] [2021-03-12 21:47:46,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 21:47:46,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:47:46,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 21:47:46,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-12 21:47:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:46,137 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:47:46,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-03-12 21:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:46,225 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,225 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,225 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,225 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,226 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,272 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,314 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,336 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,345 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,354 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,366 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,378 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,381 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,384 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,403 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,404 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,428 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,428 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,460 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,484 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,485 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,487 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,516 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,517 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,566 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,586 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,670 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,724 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,724 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,751 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,752 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,788 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,823 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,860 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,910 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:46,919 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,010 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,065 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,278 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,288 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,301 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,313 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,324 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:47,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:47:47,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:47:47,342 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:47,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:47,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1742602449, now seen corresponding path program 2 times [2021-03-12 21:47:47,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:47,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484313938] [2021-03-12 21:47:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:47:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:47:47,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484313938] [2021-03-12 21:47:47,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:47:47,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 21:47:47,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788703930] [2021-03-12 21:47:47,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 21:47:47,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:47:47,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 21:47:47,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-12 21:47:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:47,470 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:47:47,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2021-03-12 21:47:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:47:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:47,518 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,579 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,579 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,604 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,623 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,685 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,723 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,787 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,788 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,853 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,870 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:47,991 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:47:48,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:47:48,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 21:47:48,047 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:48,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:48,047 INFO L82 PathProgramCache]: Analyzing trace with hash -822268792, now seen corresponding path program 1 times [2021-03-12 21:47:48,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:48,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243203425] [2021-03-12 21:47:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:47:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:47:48,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243203425] [2021-03-12 21:47:48,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:47:48,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:47:48,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644815706] [2021-03-12 21:47:48,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:47:48,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:47:48,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:47:48,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:47:48,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:48,096 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:47:48,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-03-12 21:47:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:47:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:47:48,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:47:48,122 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:48,129 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:48,138 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:47:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:47:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:47:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:47:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:47:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:47:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:47:48,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 21:47:48,149 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:47:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:47:48,150 INFO L82 PathProgramCache]: Analyzing trace with hash -75944895, now seen corresponding path program 3 times [2021-03-12 21:47:48,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:47:48,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639917801] [2021-03-12 21:47:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:47:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 21:47:48,173 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 21:47:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 21:47:48,197 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 21:47:48,222 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 21:47:48,222 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 21:47:48,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-12 21:47:48,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:47:48 BasicIcfg [2021-03-12 21:47:48,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:47:48,276 INFO L168 Benchmark]: Toolchain (without parser) took 8807.03 ms. Allocated memory was 358.6 MB in the beginning and 539.0 MB in the end (delta: 180.4 MB). Free memory was 322.2 MB in the beginning and 425.2 MB in the end (delta: -103.0 MB). Peak memory consumption was 79.9 MB. Max. memory is 16.0 GB. [2021-03-12 21:47:48,276 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 358.6 MB. Free memory was 340.2 MB in the beginning and 340.2 MB in the end (delta: 79.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:47:48,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.57 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 318.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. [2021-03-12 21:47:48,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.40 ms. Allocated memory is still 358.6 MB. Free memory was 318.5 MB in the beginning and 315.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:47:48,277 INFO L168 Benchmark]: Boogie Preprocessor took 28.45 ms. Allocated memory is still 358.6 MB. Free memory was 315.3 MB in the beginning and 313.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:47:48,277 INFO L168 Benchmark]: RCFGBuilder took 1229.96 ms. Allocated memory is still 358.6 MB. Free memory was 313.2 MB in the beginning and 290.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 153.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:47:48,277 INFO L168 Benchmark]: TraceAbstraction took 7045.85 ms. Allocated memory was 358.6 MB in the beginning and 539.0 MB in the end (delta: 180.4 MB). Free memory was 290.2 MB in the beginning and 425.2 MB in the end (delta: -135.1 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.0 GB. [2021-03-12 21:47:48,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 358.6 MB. Free memory was 340.2 MB in the beginning and 340.2 MB in the end (delta: 79.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 446.57 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 318.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.40 ms. Allocated memory is still 358.6 MB. Free memory was 318.5 MB in the beginning and 315.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.45 ms. Allocated memory is still 358.6 MB. Free memory was 315.3 MB in the beginning and 313.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1229.96 ms. Allocated memory is still 358.6 MB. Free memory was 313.2 MB in the beginning and 290.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 153.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 7045.85 ms. Allocated memory was 358.6 MB in the beginning and 539.0 MB in the end (delta: 180.4 MB). Free memory was 290.2 MB in the beginning and 425.2 MB in the end (delta: -135.1 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3466.1ms, 84 PlacesBefore, 27 PlacesAfterwards, 79 TransitionsBefore, 21 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, 2328 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1000, positive: 894, positive conditional: 0, positive unconditional: 894, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 606, positive: 576, positive conditional: 0, positive unconditional: 576, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 606, positive: 562, positive conditional: 0, positive unconditional: 562, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 469, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 440, negative conditional: 0, negative unconditional: 440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1000, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 606, unknown conditional: 0, unknown unconditional: 606] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1678, positive: 1263, positive conditional: 1263, positive unconditional: 0, negative: 415, negative conditional: 415, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1387, positive: 1263, positive conditional: 1263, positive unconditional: 0, negative: 124, negative conditional: 124, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1387, positive: 1137, positive conditional: 0, positive unconditional: 1137, negative: 250, negative conditional: 0, negative unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 91, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 91, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1387, positive: 1068, positive conditional: 0, positive unconditional: 1068, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 91, unknown conditional: 0, unknown unconditional: 91] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 767, negative conditional: 116, negative unconditional: 651, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 651, SemanticConditionEliminator.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 767, negative conditional: 116, negative unconditional: 651, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 651, SemanticConditionEliminator.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 767, negative conditional: 116, negative unconditional: 651, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 651, SemanticConditionEliminator.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 767, negative conditional: 116, negative unconditional: 651, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 651, SemanticConditionEliminator.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 767, negative conditional: 116, negative unconditional: 651, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 651, SemanticConditionEliminator.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 806, negative conditional: 155, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 30, positive conditional: 23, positive unconditional: 7, negative: 61, negative conditional: 39, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1863, positive: 451, positive conditional: 424, positive unconditional: 27, negative: 1412, negative conditional: 1075, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 932, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 767, negative conditional: 116, negative unconditional: 651, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 92, Positive conditional cache size: 23, Positive unconditional cache size: 69, Negative cache size: 61, Negative conditional cache size: 39, Negative unconditional cache size: 22, Eliminated conditions: 651 ], Maximal queried relation: 6, Independence queries for same thread: 291 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L713] 0 _Bool x$flush_delayed; [L714] 0 int x$mem_tmp; [L715] 0 _Bool x$r_buff0_thd0; [L716] 0 _Bool x$r_buff0_thd1; [L717] 0 _Bool x$r_buff0_thd2; [L718] 0 _Bool x$r_buff1_thd0; [L719] 0 _Bool x$r_buff1_thd1; [L720] 0 _Bool x$r_buff1_thd2; [L721] 0 _Bool x$read_delayed; [L722] 0 int *x$read_delayed_var; [L723] 0 int x$w_buff0; [L724] 0 _Bool x$w_buff0_used; [L725] 0 int x$w_buff1; [L726] 0 _Bool x$w_buff1_used; [L728] 0 int y = 0; [L729] 0 _Bool weak$$choice0; [L730] 0 _Bool weak$$choice2; [L790] 0 pthread_t t2479; [L791] FCALL, FORK 0 pthread_create(&t2479, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L792] 0 pthread_t t2480; [L793] FCALL, FORK 0 pthread_create(&t2480, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L754] 2 x$w_buff1 = x$w_buff0 [L755] 2 x$w_buff0 = 2 [L756] 2 x$w_buff1_used = x$w_buff0_used [L757] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L759] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L760] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L761] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L762] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L765] 2 y = 1 VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L734] 1 y = 2 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L737] 1 x = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L740] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L740] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L741] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L741] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L742] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L743] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L744] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L768] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L768] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L769] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L769] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L770] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L771] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L772] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L749] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L799] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L799] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L800] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L801] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L802] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L803] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L806] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 0 x$flush_delayed = weak$$choice2 [L809] 0 x$mem_tmp = x [L810] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L810] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L811] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L811] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L812] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L812] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L813] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L813] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L814] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L814] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L815] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L816] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 main$tmp_guard1 = !(x == 2 && y == 2) [L818] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L818] 0 x = x$flush_delayed ? x$mem_tmp : x [L819] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6937.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3479.6ms, PartialOrderReductionTime: 2501.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 20.8ms SsaConstructionTime, 236.9ms SatisfiabilityAnalysisTime, 492.0ms InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...