/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/safe030_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 00:06:04,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 00:06:04,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 00:06:04,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 00:06:04,208 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 00:06:04,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 00:06:04,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 00:06:04,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 00:06:04,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 00:06:04,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 00:06:04,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 00:06:04,239 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 00:06:04,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 00:06:04,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 00:06:04,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 00:06:04,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 00:06:04,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 00:06:04,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 00:06:04,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 00:06:04,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:06:04,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 00:06:04,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 00:06:04,243 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 00:06:04,243 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-08-07 00:06:04,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 00:06:04,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 00:06:04,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 00:06:04,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 00:06:04,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 00:06:04,518 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 00:06:04,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_rmo.oepc.i [2021-08-07 00:06:04,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d569a56/d129b1a07ed1491687da124486b5eea4/FLAGafe40edd3 [2021-08-07 00:06:04,938 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 00:06:04,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_rmo.oepc.i [2021-08-07 00:06:04,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d569a56/d129b1a07ed1491687da124486b5eea4/FLAGafe40edd3 [2021-08-07 00:06:05,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d569a56/d129b1a07ed1491687da124486b5eea4 [2021-08-07 00:06:05,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 00:06:05,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 00:06:05,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 00:06:05,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 00:06:05,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 00:06:05,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3d4446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05, skipping insertion in model container [2021-08-07 00:06:05,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 00:06:05,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 00:06:05,468 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/safe030_rmo.oepc.i[950,963] [2021-08-07 00:06:05,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:06:05,640 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 00:06:05,651 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/safe030_rmo.oepc.i[950,963] [2021-08-07 00:06:05,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:06:05,726 INFO L208 MainTranslator]: Completed translation [2021-08-07 00:06:05,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05 WrapperNode [2021-08-07 00:06:05,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 00:06:05,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 00:06:05,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 00:06:05,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 00:06:05,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 00:06:05,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 00:06:05,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 00:06:05,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 00:06:05,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 00:06:05,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 00:06:05,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 00:06:05,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 00:06:05,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (1/1) ... [2021-08-07 00:06:05,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:06:05,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:06:05,865 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 00:06:05,877 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 00:06:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 00:06:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 00:06:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 00:06:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 00:06:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 00:06:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 00:06:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 00:06:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 00:06:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 00:06:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 00:06:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 00:06:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 00:06:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 00:06:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 00:06:05,906 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 00:06:07,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 00:06:07,285 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-07 00:06:07,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:06:07 BoogieIcfgContainer [2021-08-07 00:06:07,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 00:06:07,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 00:06:07,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 00:06:07,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 00:06:07,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:06:05" (1/3) ... [2021-08-07 00:06:07,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec0e09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:06:07, skipping insertion in model container [2021-08-07 00:06:07,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:06:05" (2/3) ... [2021-08-07 00:06:07,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec0e09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:06:07, skipping insertion in model container [2021-08-07 00:06:07,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:06:07" (3/3) ... [2021-08-07 00:06:07,293 INFO L111 eAbstractionObserver]: Analyzing ICFG safe030_rmo.oepc.i [2021-08-07 00:06:07,296 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 00:06:07,296 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 00:06:07,296 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-07 00:06:07,296 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 00:06:07,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,337 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,338 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,340 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,340 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,341 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 00:06:07,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 00:06:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:06:07,372 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 00:06:07,417 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 00:06:07,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 00:06:07,432 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 00:06:07,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 00:06:07,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:07,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:07,473 INFO L82 PathProgramCache]: Analyzing trace with hash 364691706, now seen corresponding path program 1 times [2021-08-07 00:06:07,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:07,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740322093] [2021-08-07 00:06:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:07,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:07,615 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 00:06:07,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:07,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740322093] [2021-08-07 00:06:07,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740322093] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:07,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:07,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 00:06:07,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906081635] [2021-08-07 00:06:07,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 00:06:07,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:07,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 00:06:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 00:06:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:07,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:07,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 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 00:06:07,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:07,682 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,692 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,693 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,760 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,762 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,780 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,785 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,786 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,818 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,826 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,836 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,843 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:07,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 00:06:07,859 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:07,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:07,861 INFO L82 PathProgramCache]: Analyzing trace with hash -459637492, now seen corresponding path program 1 times [2021-08-07 00:06:07,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:07,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337025208] [2021-08-07 00:06:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:07,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:08,070 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 00:06:08,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:08,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337025208] [2021-08-07 00:06:08,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337025208] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:08,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:08,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:08,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460061386] [2021-08-07 00:06:08,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:08,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:08,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:08,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:08,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,072 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:08,073 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 00:06:08,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,314 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,314 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,315 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,316 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,316 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,316 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,316 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,341 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,342 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,343 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,343 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,343 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,343 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,343 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,343 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,361 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,362 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,362 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,362 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,362 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,362 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,363 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,364 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,388 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,388 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,388 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,389 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,390 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,390 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,390 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,418 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,418 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,418 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,418 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,418 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,419 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,420 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,420 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,472 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,473 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,474 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,474 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,474 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,474 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,520 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,521 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,521 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,521 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite54_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe v_~z~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,522 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:08,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 00:06:08,546 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:08,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:08,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1479337105, now seen corresponding path program 1 times [2021-08-07 00:06:08,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:08,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296174177] [2021-08-07 00:06:08,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:08,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:08,659 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 00:06:08,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:08,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296174177] [2021-08-07 00:06:08,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296174177] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:08,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:08,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 00:06:08,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867448024] [2021-08-07 00:06:08,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 00:06:08,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:08,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 00:06:08,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-07 00:06:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:08,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 00:06:08,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:08,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:08,683 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,692 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,700 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,708 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,718 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,718 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,840 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,841 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,841 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,841 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,841 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,841 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,841 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,866 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,866 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:08,990 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:09,013 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:09,031 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:09,088 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:09,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:09,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 00:06:09,112 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:09,113 INFO L82 PathProgramCache]: Analyzing trace with hash -715215548, now seen corresponding path program 1 times [2021-08-07 00:06:09,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:09,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353955599] [2021-08-07 00:06:09,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:09,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:09,252 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 00:06:09,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:09,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353955599] [2021-08-07 00:06:09,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353955599] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:09,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:09,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:09,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435509616] [2021-08-07 00:06:09,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:09,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:09,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:09,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:09,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 00:06:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:09,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:09,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,463 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:09,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 00:06:09,616 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:09,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:09,617 INFO L82 PathProgramCache]: Analyzing trace with hash -65838987, now seen corresponding path program 1 times [2021-08-07 00:06:09,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:09,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523406693] [2021-08-07 00:06:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:09,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:09,800 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 00:06:09,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:09,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523406693] [2021-08-07 00:06:09,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523406693] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:09,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:09,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 00:06:09,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752385824] [2021-08-07 00:06:09,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 00:06:09,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:09,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 00:06:09,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 00:06:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,804 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:09,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 00:06:10,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash -206654155, now seen corresponding path program 2 times [2021-08-07 00:06:10,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:10,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770932919] [2021-08-07 00:06:10,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:10,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:10,255 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 00:06:10,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:10,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770932919] [2021-08-07 00:06:10,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770932919] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:10,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:10,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 00:06:10,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837286404] [2021-08-07 00:06:10,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 00:06:10,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:10,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 00:06:10,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 00:06:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:10,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:06:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 00:06:10,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 00:06:10,511 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:10,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:10,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1185980912, now seen corresponding path program 1 times [2021-08-07 00:06:10,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:10,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378274990] [2021-08-07 00:06:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:10,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:06:10,904 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 00:06:10,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:06:10,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378274990] [2021-08-07 00:06:10,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378274990] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:06:10,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:06:10,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-07 00:06:10,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754114659] [2021-08-07 00:06:10,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-07 00:06:10,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:06:10,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-07 00:06:10,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-08-07 00:06:10,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:06:10,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 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 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 00:06:10,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:10,994 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,008 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,008 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,044 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,045 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,076 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,098 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,099 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,121 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,135 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,135 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,144 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,144 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,159 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,160 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,188 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,189 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,224 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,230 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,245 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,254 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,263 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,268 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,268 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,287 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,287 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:06:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 00:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 00:06:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 00:06:11,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 00:06:11,660 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 00:06:11,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:06:11,661 INFO L82 PathProgramCache]: Analyzing trace with hash 457011696, now seen corresponding path program 2 times [2021-08-07 00:06:11,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:06:11,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619889027] [2021-08-07 00:06:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:06:11,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:06:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 00:06:11,687 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 00:06:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 00:06:11,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 00:06:11,742 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 00:06:11,742 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 00:06:11,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 00:06:11,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 00:06:11,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 00:06:11,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 00:06:11,747 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2021-08-07 00:06:11,749 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 00:06:11,749 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 00:06:11,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:06:11 BasicIcfg [2021-08-07 00:06:11,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 00:06:11,831 INFO L168 Benchmark]: Toolchain (without parser) took 6508.80 ms. Allocated memory was 226.5 MB in the beginning and 443.5 MB in the end (delta: 217.1 MB). Free memory was 188.5 MB in the beginning and 229.4 MB in the end (delta: -40.9 MB). Peak memory consumption was 177.5 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:11,831 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 226.5 MB. Free memory is still 207.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 00:06:11,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.39 ms. Allocated memory is still 226.5 MB. Free memory was 188.4 MB in the beginning and 197.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:11,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.10 ms. Allocated memory is still 226.5 MB. Free memory was 197.0 MB in the beginning and 194.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:11,832 INFO L168 Benchmark]: Boogie Preprocessor took 51.25 ms. Allocated memory is still 226.5 MB. Free memory was 194.3 MB in the beginning and 192.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:11,832 INFO L168 Benchmark]: RCFGBuilder took 1452.64 ms. Allocated memory is still 226.5 MB. Free memory was 192.2 MB in the beginning and 96.0 MB in the end (delta: 96.2 MB). Peak memory consumption was 118.3 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:11,832 INFO L168 Benchmark]: TraceAbstraction took 4542.02 ms. Allocated memory was 226.5 MB in the beginning and 443.5 MB in the end (delta: 217.1 MB). Free memory was 95.5 MB in the beginning and 229.4 MB in the end (delta: -133.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 8.0 GB. [2021-08-07 00:06:11,832 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 226.5 MB. Free memory is still 207.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 402.39 ms. Allocated memory is still 226.5 MB. Free memory was 188.4 MB in the beginning and 197.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.10 ms. Allocated memory is still 226.5 MB. Free memory was 197.0 MB in the beginning and 194.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.25 ms. Allocated memory is still 226.5 MB. Free memory was 194.3 MB in the beginning and 192.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1452.64 ms. Allocated memory is still 226.5 MB. Free memory was 192.2 MB in the beginning and 96.0 MB in the end (delta: 96.2 MB). Peak memory consumption was 118.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4542.02 ms. Allocated memory was 226.5 MB in the beginning and 443.5 MB in the end (delta: 217.1 MB). Free memory was 95.5 MB in the beginning and 229.4 MB in the end (delta: -133.9 MB). Peak memory consumption was 83.6 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: 108158, positive: 104403, positive conditional: 104403, positive unconditional: 0, negative: 3755, negative conditional: 3755, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107625, positive: 104403, positive conditional: 104403, positive unconditional: 0, negative: 3222, negative conditional: 3222, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107625, positive: 104403, positive conditional: 104403, positive unconditional: 0, negative: 3222, negative conditional: 3222, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123575, positive: 104403, positive conditional: 104288, positive unconditional: 115, negative: 19172, negative conditional: 15950, negative unconditional: 3222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 123575, positive: 104403, positive conditional: 29405, positive unconditional: 74998, negative: 19172, negative conditional: 1343, negative unconditional: 17829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 123575, positive: 104403, positive conditional: 29405, positive unconditional: 74998, negative: 19172, negative conditional: 1343, negative unconditional: 17829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 813, positive: 758, positive conditional: 344, positive unconditional: 414, negative: 55, negative conditional: 32, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 813, positive: 738, positive conditional: 0, positive unconditional: 738, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 20, positive conditional: 17, positive unconditional: 3, negative: 55, negative conditional: 32, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1018, positive: 367, positive conditional: 328, positive unconditional: 39, negative: 652, negative conditional: 394, negative unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 123575, positive: 103645, positive conditional: 29061, positive unconditional: 74584, negative: 19117, negative conditional: 1311, negative unconditional: 17806, unknown: 813, unknown conditional: 376, unknown unconditional: 437] , Statistics on independence cache: Total cache size (in pairs): 813, Positive cache size: 758, Positive conditional cache size: 344, Positive unconditional cache size: 414, Negative cache size: 55, Negative conditional cache size: 32, Negative unconditional cache size: 23, Eliminated conditions: 89490, Maximal queried relation: 7, Independence queries for same thread: 533 - 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: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0] [L711] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0] [L713] 0 int x = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L715] 0 int y = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L717] 0 int z = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L718] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L719] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L720] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L721] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L722] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L723] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L724] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L725] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L726] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L727] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L728] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0] [L729] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L730] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L731] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L732] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L733] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L734] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L735] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L816] 0 pthread_t t2501; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] FCALL, FORK 0 pthread_create(&t2501, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L818] 0 pthread_t t2502; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L819] FCALL, FORK 0 pthread_create(&t2502, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2503; VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L821] FCALL, FORK 0 pthread_create(&t2503, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L739] 1 z$w_buff1 = z$w_buff0 [L740] 1 z$w_buff0 = 2 [L741] 1 z$w_buff1_used = z$w_buff0_used [L742] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L744] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L745] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L746] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L747] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L748] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 x = 2 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 y = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L774] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L774] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L774] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L775] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L775] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L776] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L777] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L778] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L788] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L791] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L754] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L755] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L755] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L756] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L757] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L758] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L763] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L794] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L794] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L794] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L794] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L795] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L795] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L796] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L797] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L798] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L801] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L823] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L827] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L827] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L827] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L827] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L828] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L828] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L829] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L830] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L831] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L834] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L835] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L836] 0 z$flush_delayed = weak$$choice2 [L837] 0 z$mem_tmp = z [L838] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L838] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L839] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L839] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L839] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L839] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L840] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L840] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L840] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L841] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L841] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L841] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L841] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L842] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L843] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L843] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L843] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L844] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L844] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2) [L846] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L846] 0 z = z$flush_delayed ? z$mem_tmp : z [L847] 0 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [\result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 821]: 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: 817]: 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: 819]: 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4380.6ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 2816.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, 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: 61.8ms SsaConstructionTime, 352.0ms SatisfiabilityAnalysisTime, 856.2ms InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 524 ConstructedInterpolants, 0 QuantifiedInterpolants, 2038 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 00:06:11,859 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 00:06:12,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...