/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 00:05:57,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 00:05:57,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 00:05:57,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 00:05:57,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-08-07 00:05:57,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 00:05:57,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 00:05:57,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 00:05:57,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 00:05:57,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 00:05:57,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 00:05:57,172 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 00:05:57,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 00:05:57,172 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 00:05:57,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 00:05:57,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 00:05:57,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 00:05:57,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 00:05:57,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 00:05:57,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 00:05:57,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 00:05:57,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:05:57,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 00:05:57,175 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 00:05:57,176 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-08-07 00:05:57,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 00:05:57,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 00:05:57,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 00:05:57,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 00:05:57,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 00:05:57,446 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 00:05:57,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_rmo.opt.i [2021-08-07 00:05:57,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afac353d5/152fc9b683554bd88ad1d7cc67067823/FLAG280509e08 [2021-08-07 00:05:57,871 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 00:05:57,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_rmo.opt.i [2021-08-07 00:05:57,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afac353d5/152fc9b683554bd88ad1d7cc67067823/FLAG280509e08 [2021-08-07 00:05:58,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afac353d5/152fc9b683554bd88ad1d7cc67067823 [2021-08-07 00:05:58,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 00:05:58,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 00:05:58,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 00:05:58,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 00:05:58,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 00:05:58,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c295c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58, skipping insertion in model container [2021-08-07 00:05:58,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 00:05:58,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 00:05:58,384 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_rmo.opt.i[949,962] [2021-08-07 00:05:58,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:05:58,544 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 00:05:58,551 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_rmo.opt.i[949,962] [2021-08-07 00:05:58,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:05:58,617 INFO L208 MainTranslator]: Completed translation [2021-08-07 00:05:58,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58 WrapperNode [2021-08-07 00:05:58,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 00:05:58,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 00:05:58,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 00:05:58,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 00:05:58,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 00:05:58,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 00:05:58,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 00:05:58,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 00:05:58,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 00:05:58,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 00:05:58,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 00:05:58,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 00:05:58,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (1/1) ... [2021-08-07 00:05:58,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:05:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:05:58,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 00:05:58,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 00:05:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 00:05:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 00:05:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 00:05:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 00:05:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 00:05:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 00:05:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 00:05:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 00:05:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 00:05:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 00:05:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 00:05:58,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 00:05:58,749 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 00:05:59,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 00:05:59,938 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-07 00:05:59,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:05:59 BoogieIcfgContainer [2021-08-07 00:05:59,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 00:05:59,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 00:05:59,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 00:05:59,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 00:05:59,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:05:58" (1/3) ... [2021-08-07 00:05:59,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8e8fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:05:59, skipping insertion in model container [2021-08-07 00:05:59,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:05:58" (2/3) ... [2021-08-07 00:05:59,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8e8fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:05:59, skipping insertion in model container [2021-08-07 00:05:59,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:05:59" (3/3) ... [2021-08-07 00:05:59,945 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_rmo.opt.i [2021-08-07 00:05:59,949 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 00:05:59,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 00:05:59,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-07 00:05:59,949 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 00:05:59,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,973 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,973 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,973 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,973 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:05:59,984 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 00:06:00,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 00:06:00,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:06:00,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 00:06:00,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 00:06:00,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2021-08-07 00:06:00,049 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 00:06:00,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 00:06:00,075 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 00:06:00,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:00,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1859140484, now seen corresponding path program 1 times [2021-08-07 00:06:00,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:00,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975571099] [2021-08-07 00:06:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:00,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:00,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:00,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975571099] [2021-08-07 00:06:00,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975571099] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:00,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:00,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 00:06:00,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137187401] [2021-08-07 00:06:00,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 00:06:00,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:00,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 00:06:00,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-07 00:06:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:00,349 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:00,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-08-07 00:06:00,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:00,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,457 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,457 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,458 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,459 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,459 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,459 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,459 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,560 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,572 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,572 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,594 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,594 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,595 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,596 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,596 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,596 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,596 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,597 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,615 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,615 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,615 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,615 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,615 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,615 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,616 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,619 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,642 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,652 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,654 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,655 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,655 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,689 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,689 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,689 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,709 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,709 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,709 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,709 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,709 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,737 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,737 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,737 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,737 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,737 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,738 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,738 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,738 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,738 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,752 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,752 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,752 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,752 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,752 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,752 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,753 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:00,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 00:06:00,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 00:06:00,787 INFO L308 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2021-08-07 00:06:00,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 00:06:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:06:00,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 00:06:00,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-07 00:06:00,806 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 00:06:00,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 00:06:00,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 00:06:00,810 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:00,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:00,811 INFO L82 PathProgramCache]: Analyzing trace with hash -148857767, now seen corresponding path program 1 times [2021-08-07 00:06:00,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:00,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717323028] [2021-08-07 00:06:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:00,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:00,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:00,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717323028] [2021-08-07 00:06:00,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717323028] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:00,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:00,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 00:06:00,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709965008] [2021-08-07 00:06:00,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 00:06:00,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:00,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 00:06:00,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 00:06:00,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:00,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:00,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:00,902 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,910 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,917 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,917 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,929 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:00,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:00,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 00:06:00,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash -260033218, now seen corresponding path program 1 times [2021-08-07 00:06:00,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:00,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819258128] [2021-08-07 00:06:00,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:00,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:01,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:01,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819258128] [2021-08-07 00:06:01,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819258128] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:01,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:01,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:01,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768667254] [2021-08-07 00:06:01,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:01,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:01,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,098 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:01,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-08-07 00:06:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,202 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,202 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,202 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,203 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,204 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,204 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,216 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,216 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,216 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,217 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,218 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,218 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,234 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,234 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,234 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,234 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,234 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,235 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:01,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 00:06:01,251 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:01,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:01,252 INFO L82 PathProgramCache]: Analyzing trace with hash -81606177, now seen corresponding path program 1 times [2021-08-07 00:06:01,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:01,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041770321] [2021-08-07 00:06:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:01,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:01,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:01,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041770321] [2021-08-07 00:06:01,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041770321] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:01,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:01,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-07 00:06:01,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761115405] [2021-08-07 00:06:01,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 00:06:01,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:01,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 00:06:01,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-07 00:06:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:01,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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) [2021-08-07 00:06:01,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:01,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,552 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,669 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,691 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,704 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,714 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,714 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,714 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,714 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,714 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,714 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,715 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,716 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,742 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,744 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,744 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,744 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,744 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,744 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,744 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,762 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,763 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,763 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,763 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,763 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,763 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,763 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,764 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:01,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 00:06:01,788 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:01,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:01,788 INFO L82 PathProgramCache]: Analyzing trace with hash 581602826, now seen corresponding path program 1 times [2021-08-07 00:06:01,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:01,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806199705] [2021-08-07 00:06:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:01,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:01,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:01,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806199705] [2021-08-07 00:06:01,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806199705] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:01,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:01,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 00:06:01,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27390884] [2021-08-07 00:06:01,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 00:06:01,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:01,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 00:06:01,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-07 00:06:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:01,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:02,024 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,034 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,081 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,081 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,081 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,082 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,083 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,083 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,113 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,114 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,114 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,114 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,114 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,114 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,114 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,115 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,115 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,115 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_133 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,115 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,115 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,242 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,280 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,303 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,312 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,321 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,331 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:02,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 00:06:02,338 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:02,338 INFO L82 PathProgramCache]: Analyzing trace with hash 553749120, now seen corresponding path program 1 times [2021-08-07 00:06:02,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:02,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098235249] [2021-08-07 00:06:02,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:02,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:02,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:02,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098235249] [2021-08-07 00:06:02,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098235249] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:02,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:02,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-07 00:06:02,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517837016] [2021-08-07 00:06:02,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-07 00:06:02,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:02,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-07 00:06:02,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-08-07 00:06:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:02,530 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:02,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 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) [2021-08-07 00:06:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:02,573 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,580 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,589 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,590 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,653 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,654 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,666 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,666 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,666 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,667 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,704 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,705 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,880 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,889 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,900 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,901 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,953 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:02,965 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,010 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,018 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,027 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,028 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,154 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,172 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:03,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 00:06:03,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:03,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:03,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1224752259, now seen corresponding path program 1 times [2021-08-07 00:06:03,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:03,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447226622] [2021-08-07 00:06:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:03,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:03,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:03,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447226622] [2021-08-07 00:06:03,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447226622] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:03,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:03,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:03,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983843118] [2021-08-07 00:06:03,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:03,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:03,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:03,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:03,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:03,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:03,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:03,474 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,518 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,542 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,718 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:03,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 00:06:03,790 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:03,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:03,791 INFO L82 PathProgramCache]: Analyzing trace with hash -425160665, now seen corresponding path program 1 times [2021-08-07 00:06:03,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:03,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381011535] [2021-08-07 00:06:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:03,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:04,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:04,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381011535] [2021-08-07 00:06:04,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381011535] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:04,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:04,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-07 00:06:04,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229916055] [2021-08-07 00:06:04,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 00:06:04,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 00:06:04,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-07 00:06:04,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:04,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:04,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:04,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:04,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:04,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:04,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:04,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:04,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:04,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:04,059 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,066 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,071 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,071 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,108 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,191 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,327 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,335 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,341 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,341 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,405 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,414 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,420 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,421 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,479 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,486 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,491 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,492 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,647 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,678 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,768 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,814 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:04,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 00:06:04,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 00:06:04,868 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:04,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:04,869 INFO L82 PathProgramCache]: Analyzing trace with hash -380615479, now seen corresponding path program 1 times [2021-08-07 00:06:04,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:04,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646970969] [2021-08-07 00:06:04,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:04,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:06:04,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:04,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646970969] [2021-08-07 00:06:04,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646970969] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:04,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:04,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:04,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328708189] [2021-08-07 00:06:04,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:04,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:04,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:04,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:04,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:04,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 00:06:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 00:06:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:05,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:06:05,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 00:06:05,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 00:06:05,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:05,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-07 00:06:05,071 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:06:05,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:05,071 INFO L82 PathProgramCache]: Analyzing trace with hash -880920982, now seen corresponding path program 1 times [2021-08-07 00:06:05,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:05,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287944541] [2021-08-07 00:06:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:05,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 00:06:05,093 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 00:06:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 00:06:05,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 00:06:05,146 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 00:06:05,147 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 00:06:05,147 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 00:06:05,147 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 00:06:05,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-07 00:06:05,148 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2021-08-07 00:06:05,150 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 00:06:05,150 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 00:06:05,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:06:05 BasicIcfg [2021-08-07 00:06:05,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 00:06:05,214 INFO L168 Benchmark]: Toolchain (without parser) took 6971.47 ms. Allocated memory was 190.8 MB in the beginning and 397.4 MB in the end (delta: 206.6 MB). Free memory was 154.8 MB in the beginning and 155.0 MB in the end (delta: -222.4 kB). Peak memory consumption was 206.9 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:05,214 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 190.8 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 00:06:05,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.62 ms. Allocated memory is still 190.8 MB. Free memory was 154.6 MB in the beginning and 164.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:05,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.88 ms. Allocated memory is still 190.8 MB. Free memory was 164.2 MB in the beginning and 161.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:05,214 INFO L168 Benchmark]: Boogie Preprocessor took 39.88 ms. Allocated memory is still 190.8 MB. Free memory was 161.6 MB in the beginning and 159.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:05,214 INFO L168 Benchmark]: RCFGBuilder took 1240.62 ms. Allocated memory was 190.8 MB in the beginning and 268.4 MB in the end (delta: 77.6 MB). Free memory was 159.5 MB in the beginning and 215.8 MB in the end (delta: -56.3 MB). Peak memory consumption was 100.5 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:05,214 INFO L168 Benchmark]: TraceAbstraction took 5271.95 ms. Allocated memory was 268.4 MB in the beginning and 397.4 MB in the end (delta: 129.0 MB). Free memory was 215.2 MB in the beginning and 155.0 MB in the end (delta: 60.3 MB). Peak memory consumption was 189.2 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:05,215 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 190.8 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 372.62 ms. Allocated memory is still 190.8 MB. Free memory was 154.6 MB in the beginning and 164.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.88 ms. Allocated memory is still 190.8 MB. Free memory was 164.2 MB in the beginning and 161.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.88 ms. Allocated memory is still 190.8 MB. Free memory was 161.6 MB in the beginning and 159.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1240.62 ms. Allocated memory was 190.8 MB in the beginning and 268.4 MB in the end (delta: 77.6 MB). Free memory was 159.5 MB in the beginning and 215.8 MB in the end (delta: -56.3 MB). Peak memory consumption was 100.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5271.95 ms. Allocated memory was 268.4 MB in the beginning and 397.4 MB in the end (delta: 129.0 MB). Free memory was 215.2 MB in the beginning and 155.0 MB in the end (delta: 60.3 MB). Peak memory consumption was 189.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1337, positive: 1277, positive conditional: 1277, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1289, positive: 1277, positive conditional: 1277, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1289, positive: 1277, positive conditional: 1277, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1301, positive: 1277, positive conditional: 1263, positive unconditional: 14, negative: 24, negative conditional: 12, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1301, positive: 1277, positive conditional: 505, positive unconditional: 772, negative: 24, negative conditional: 10, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1301, positive: 1277, positive conditional: 505, positive unconditional: 772, negative: 24, negative conditional: 10, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 292, positive: 283, positive conditional: 74, positive unconditional: 209, negative: 9, negative conditional: 4, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 292, positive: 279, positive conditional: 0, positive unconditional: 279, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 9, negative conditional: 4, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 277, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 164, negative conditional: 104, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1301, positive: 994, positive conditional: 431, positive unconditional: 563, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 292, unknown conditional: 78, unknown unconditional: 214] , Statistics on independence cache: Total cache size (in pairs): 292, Positive cache size: 283, Positive conditional cache size: 74, Positive unconditional cache size: 209, Negative cache size: 9, Negative conditional cache size: 4, Negative unconditional cache size: 5, Eliminated conditions: 760, Maximal queried relation: 1, Independence queries for same thread: 48 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10179, positive: 9544, positive conditional: 9544, positive unconditional: 0, negative: 635, negative conditional: 635, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9776, positive: 9544, positive conditional: 9544, positive unconditional: 0, negative: 232, negative conditional: 232, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9776, positive: 9544, positive conditional: 9544, positive unconditional: 0, negative: 232, negative conditional: 232, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11014, positive: 9544, positive conditional: 9493, positive unconditional: 51, negative: 1470, negative conditional: 1238, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11014, positive: 9544, positive conditional: 3350, positive unconditional: 6194, negative: 1470, negative conditional: 235, negative unconditional: 1235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11014, positive: 9544, positive conditional: 3350, positive unconditional: 6194, negative: 1470, negative conditional: 235, negative unconditional: 1235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, positive: 467, positive conditional: 274, positive unconditional: 193, negative: 52, negative conditional: 39, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 41, positive conditional: 40, positive unconditional: 1, negative: 52, negative conditional: 39, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1550, positive: 938, positive conditional: 915, positive unconditional: 24, negative: 611, negative conditional: 471, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11014, positive: 9077, positive conditional: 3076, positive unconditional: 6001, negative: 1418, negative conditional: 196, negative unconditional: 1222, unknown: 519, unknown conditional: 313, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 467, Positive conditional cache size: 274, Positive unconditional cache size: 193, Negative cache size: 52, Negative conditional cache size: 39, Negative unconditional cache size: 13, Eliminated conditions: 7146, Maximal queried relation: 8, Independence queries for same thread: 403 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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; VAL [__unbuffered_cnt=0] [L709] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0] [L710] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0] [L712] 0 int x = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L713] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L714] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L715] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L716] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L717] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L718] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L719] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=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$r_buff1_thd1=0] [L720] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=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] [L721] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$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] [L722] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$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$read_delayed_var={0:0}] [L723] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=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$w_buff0=0] [L724] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=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] [L725] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$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] [L726] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$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$w_buff1_used=0] [L728] 0 int y = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$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] [L729] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=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] [L730] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L790] 0 pthread_t t2483; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L791] FCALL, FORK 0 pthread_create(&t2483, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L792] 0 pthread_t t2484; VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L793] FCALL, FORK 0 pthread_create(&t2484, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L754] 2 x$w_buff1 = x$w_buff0 [L755] 2 x$w_buff0 = 2 [L756] 2 x$w_buff1_used = x$w_buff0_used [L757] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L759] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L760] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L761] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L762] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L765] 2 y = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L740] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L740] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L741] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L741] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L742] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L743] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L744] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L749] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L768] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L768] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L769] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L769] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L770] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L771] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L772] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L799] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L799] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L800] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L801] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L802] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L803] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L806] 0 weak$$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 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] 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] - UnprovableResult [Line: 793]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 103 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 775.5ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 439.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 4.6ms SsaConstructionTime, 48.4ms SatisfiabilityAnalysisTime, 142.4ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 103 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4354.9ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 2836.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, 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: 29.5ms SsaConstructionTime, 257.9ms SatisfiabilityAnalysisTime, 1099.8ms InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 2033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2021-08-07 00:06:05,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-07 00:06:05,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 00:06:05,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...