/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix037_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 17:17:26,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 17:17:26,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 17:17:26,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 17:17:26,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 17:17:26,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 17:17:26,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 17:17:26,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 17:17:26,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 17:17:26,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 17:17:26,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 17:17:26,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 17:17:26,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 17:17:26,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 17:17:26,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 17:17:26,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 17:17:26,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 17:17:26,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 17:17:26,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 17:17:26,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 17:17:26,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 17:17:26,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 17:17:26,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 17:17:26,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 17:17:26,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 17:17:26,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 17:17:26,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 17:17:26,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 17:17:26,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 17:17:26,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 17:17:26,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 17:17:26,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 17:17:26,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 17:17:26,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 17:17:26,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 17:17:26,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 17:17:26,846 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-FA-SemanticLbe.epf [2019-12-18 17:17:26,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 17:17:26,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 17:17:26,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 17:17:26,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 17:17:26,870 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 17:17:26,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 17:17:26,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 17:17:26,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 17:17:26,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 17:17:26,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 17:17:26,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 17:17:26,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 17:17:26,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 17:17:26,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 17:17:26,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 17:17:26,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 17:17:26,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 17:17:26,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 17:17:26,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 17:17:26,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 17:17:26,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 17:17:26,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 17:17:26,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 17:17:26,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 17:17:26,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 17:17:26,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 17:17:26,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 17:17:26,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 17:17:26,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 17:17:27,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 17:17:27,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 17:17:27,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 17:17:27,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 17:17:27,164 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 17:17:27,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_pso.opt.i [2019-12-18 17:17:27,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5569798b5/d15c218f359e43b589b2d77ab88dc07d/FLAGe6dbf236b [2019-12-18 17:17:27,873 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 17:17:27,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_pso.opt.i [2019-12-18 17:17:27,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5569798b5/d15c218f359e43b589b2d77ab88dc07d/FLAGe6dbf236b [2019-12-18 17:17:28,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5569798b5/d15c218f359e43b589b2d77ab88dc07d [2019-12-18 17:17:28,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 17:17:28,186 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 17:17:28,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 17:17:28,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 17:17:28,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 17:17:28,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:28,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6670e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28, skipping insertion in model container [2019-12-18 17:17:28,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:28,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 17:17:28,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 17:17:28,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 17:17:28,815 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 17:17:28,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 17:17:28,968 INFO L208 MainTranslator]: Completed translation [2019-12-18 17:17:28,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28 WrapperNode [2019-12-18 17:17:28,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 17:17:28,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 17:17:28,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 17:17:28,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 17:17:28,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:28,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 17:17:29,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 17:17:29,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 17:17:29,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 17:17:29,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... [2019-12-18 17:17:29,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 17:17:29,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 17:17:29,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 17:17:29,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 17:17:29,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 17:17:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 17:17:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 17:17:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 17:17:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 17:17:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 17:17:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 17:17:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 17:17:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 17:17:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 17:17:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 17:17:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 17:17:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 17:17:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 17:17:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 17:17:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 17:17:29,135 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 17:17:29,857 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 17:17:29,857 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-18 17:17:29,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:29 BoogieIcfgContainer [2019-12-18 17:17:29,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 17:17:29,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 17:17:29,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 17:17:29,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 17:17:29,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:17:28" (1/3) ... [2019-12-18 17:17:29,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a1e787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:29, skipping insertion in model container [2019-12-18 17:17:29,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:28" (2/3) ... [2019-12-18 17:17:29,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a1e787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:29, skipping insertion in model container [2019-12-18 17:17:29,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:29" (3/3) ... [2019-12-18 17:17:29,868 INFO L109 eAbstractionObserver]: Analyzing ICFG mix037_pso.opt.i [2019-12-18 17:17:29,880 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 17:17:29,881 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 17:17:29,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 17:17:29,894 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 17:17:29,947 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,947 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,948 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,948 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,948 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,949 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,949 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,949 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,949 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,950 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,950 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,950 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,952 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,952 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,954 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,954 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,954 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,955 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,955 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,955 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,955 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,956 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,956 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,956 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,956 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,957 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,957 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,957 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,957 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,958 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,958 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,958 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,958 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,959 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,959 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,959 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,959 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,960 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,960 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,960 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,960 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,961 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,961 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,961 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,961 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,962 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,962 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,962 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,963 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,963 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,963 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,963 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,964 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,964 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,964 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,964 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,965 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,965 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,965 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,965 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,966 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,966 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,966 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,966 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,967 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,967 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,967 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,967 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,967 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,968 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,968 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,968 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,968 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,969 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,969 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,969 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,969 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,970 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,970 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,970 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,970 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,971 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,971 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,971 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,971 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,973 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,973 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,973 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,973 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,974 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,974 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,974 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,974 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,975 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,976 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,976 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,976 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,976 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,977 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,977 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,993 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,993 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,994 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,994 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,994 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,994 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,995 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,995 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,995 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,995 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,995 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,996 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,996 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,996 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,996 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,997 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,997 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,997 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,997 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,997 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,998 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,998 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,998 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,998 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,998 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,999 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:29,999 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,002 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,003 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,008 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,010 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,012 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,015 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,016 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,017 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,018 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,018 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,019 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,020 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,020 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,022 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,023 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,023 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,023 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 17:17:30,038 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 17:17:30,062 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 17:17:30,062 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 17:17:30,062 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 17:17:30,063 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 17:17:30,063 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 17:17:30,063 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 17:17:30,063 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 17:17:30,063 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 17:17:30,088 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 192 transitions [2019-12-18 17:17:30,090 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 170 places, 192 transitions [2019-12-18 17:17:30,185 INFO L126 PetriNetUnfolder]: 35/188 cut-off events. [2019-12-18 17:17:30,185 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 17:17:30,208 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 188 events. 35/188 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 349 event pairs. 12/163 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2019-12-18 17:17:30,232 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 170 places, 192 transitions [2019-12-18 17:17:30,309 INFO L126 PetriNetUnfolder]: 35/188 cut-off events. [2019-12-18 17:17:30,310 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 17:17:30,316 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 188 events. 35/188 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 349 event pairs. 12/163 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2019-12-18 17:17:30,332 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 12650 [2019-12-18 17:17:30,333 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 17:17:35,136 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-12-18 17:17:35,251 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-12-18 17:17:35,748 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-12-18 17:17:35,889 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-12-18 17:17:35,909 INFO L206 etLargeBlockEncoding]: Checked pairs total: 44168 [2019-12-18 17:17:35,909 INFO L214 etLargeBlockEncoding]: Total number of compositions: 123 [2019-12-18 17:17:35,913 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 78 transitions [2019-12-18 17:17:37,160 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21398 states. [2019-12-18 17:17:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21398 states. [2019-12-18 17:17:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 17:17:37,169 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:37,169 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:37,170 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:37,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:37,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1244651740, now seen corresponding path program 1 times [2019-12-18 17:17:37,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:37,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560667873] [2019-12-18 17:17:37,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:37,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560667873] [2019-12-18 17:17:37,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:37,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 17:17:37,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753409215] [2019-12-18 17:17:37,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 17:17:37,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:37,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 17:17:37,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:37,567 INFO L87 Difference]: Start difference. First operand 21398 states. Second operand 3 states. [2019-12-18 17:17:38,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:38,053 INFO L93 Difference]: Finished difference Result 20958 states and 90416 transitions. [2019-12-18 17:17:38,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 17:17:38,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 17:17:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:38,243 INFO L225 Difference]: With dead ends: 20958 [2019-12-18 17:17:38,243 INFO L226 Difference]: Without dead ends: 19662 [2019-12-18 17:17:38,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:38,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19662 states. [2019-12-18 17:17:39,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19662 to 19662. [2019-12-18 17:17:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19662 states. [2019-12-18 17:17:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 84692 transitions. [2019-12-18 17:17:40,022 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 84692 transitions. Word has length 9 [2019-12-18 17:17:40,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:40,024 INFO L462 AbstractCegarLoop]: Abstraction has 19662 states and 84692 transitions. [2019-12-18 17:17:40,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 17:17:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 84692 transitions. [2019-12-18 17:17:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 17:17:40,031 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:40,031 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:40,031 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:40,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:40,032 INFO L82 PathProgramCache]: Analyzing trace with hash -6792795, now seen corresponding path program 1 times [2019-12-18 17:17:40,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:40,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583885521] [2019-12-18 17:17:40,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:40,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583885521] [2019-12-18 17:17:40,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:40,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 17:17:40,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839118380] [2019-12-18 17:17:40,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 17:17:40,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:40,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 17:17:40,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 17:17:40,122 INFO L87 Difference]: Start difference. First operand 19662 states and 84692 transitions. Second operand 4 states. [2019-12-18 17:17:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:40,823 INFO L93 Difference]: Finished difference Result 30494 states and 126452 transitions. [2019-12-18 17:17:40,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 17:17:40,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-18 17:17:40,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:41,004 INFO L225 Difference]: With dead ends: 30494 [2019-12-18 17:17:41,004 INFO L226 Difference]: Without dead ends: 30438 [2019-12-18 17:17:41,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 17:17:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30438 states. [2019-12-18 17:17:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30438 to 27742. [2019-12-18 17:17:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27742 states. [2019-12-18 17:17:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27742 states to 27742 states and 116300 transitions. [2019-12-18 17:17:43,311 INFO L78 Accepts]: Start accepts. Automaton has 27742 states and 116300 transitions. Word has length 15 [2019-12-18 17:17:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:43,312 INFO L462 AbstractCegarLoop]: Abstraction has 27742 states and 116300 transitions. [2019-12-18 17:17:43,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 17:17:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 27742 states and 116300 transitions. [2019-12-18 17:17:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-18 17:17:43,319 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:43,319 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:43,319 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:43,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:43,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1479332799, now seen corresponding path program 1 times [2019-12-18 17:17:43,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:43,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765918318] [2019-12-18 17:17:43,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:43,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765918318] [2019-12-18 17:17:43,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:43,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 17:17:43,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758654012] [2019-12-18 17:17:43,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 17:17:43,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:43,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 17:17:43,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 17:17:43,419 INFO L87 Difference]: Start difference. First operand 27742 states and 116300 transitions. Second operand 4 states. [2019-12-18 17:17:44,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:44,012 INFO L93 Difference]: Finished difference Result 35230 states and 146308 transitions. [2019-12-18 17:17:44,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 17:17:44,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-12-18 17:17:44,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:44,174 INFO L225 Difference]: With dead ends: 35230 [2019-12-18 17:17:44,174 INFO L226 Difference]: Without dead ends: 35182 [2019-12-18 17:17:44,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 17:17:44,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35182 states. [2019-12-18 17:17:45,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35182 to 30378. [2019-12-18 17:17:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30378 states. [2019-12-18 17:17:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30378 states to 30378 states and 127172 transitions. [2019-12-18 17:17:45,547 INFO L78 Accepts]: Start accepts. Automaton has 30378 states and 127172 transitions. Word has length 18 [2019-12-18 17:17:45,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:45,548 INFO L462 AbstractCegarLoop]: Abstraction has 30378 states and 127172 transitions. [2019-12-18 17:17:45,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 17:17:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 30378 states and 127172 transitions. [2019-12-18 17:17:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-18 17:17:45,560 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:45,560 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:45,561 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -45820751, now seen corresponding path program 1 times [2019-12-18 17:17:45,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:45,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261228652] [2019-12-18 17:17:45,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:45,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261228652] [2019-12-18 17:17:45,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:45,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 17:17:45,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317923345] [2019-12-18 17:17:45,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 17:17:45,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:45,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 17:17:45,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:45,620 INFO L87 Difference]: Start difference. First operand 30378 states and 127172 transitions. Second operand 3 states. [2019-12-18 17:17:45,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:45,765 INFO L93 Difference]: Finished difference Result 29747 states and 123892 transitions. [2019-12-18 17:17:45,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 17:17:45,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-18 17:17:45,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:45,853 INFO L225 Difference]: With dead ends: 29747 [2019-12-18 17:17:45,853 INFO L226 Difference]: Without dead ends: 29747 [2019-12-18 17:17:45,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:46,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29747 states. [2019-12-18 17:17:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29747 to 29747. [2019-12-18 17:17:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29747 states. [2019-12-18 17:17:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29747 states to 29747 states and 123892 transitions. [2019-12-18 17:17:48,572 INFO L78 Accepts]: Start accepts. Automaton has 29747 states and 123892 transitions. Word has length 20 [2019-12-18 17:17:48,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:48,573 INFO L462 AbstractCegarLoop]: Abstraction has 29747 states and 123892 transitions. [2019-12-18 17:17:48,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 17:17:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29747 states and 123892 transitions. [2019-12-18 17:17:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-18 17:17:48,587 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:48,587 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:48,587 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:48,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:48,587 INFO L82 PathProgramCache]: Analyzing trace with hash -129088173, now seen corresponding path program 1 times [2019-12-18 17:17:48,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:48,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035468340] [2019-12-18 17:17:48,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:48,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035468340] [2019-12-18 17:17:48,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:48,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 17:17:48,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148366955] [2019-12-18 17:17:48,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 17:17:48,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:48,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 17:17:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:48,637 INFO L87 Difference]: Start difference. First operand 29747 states and 123892 transitions. Second operand 3 states. [2019-12-18 17:17:49,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:49,115 INFO L93 Difference]: Finished difference Result 36709 states and 144810 transitions. [2019-12-18 17:17:49,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 17:17:49,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-18 17:17:49,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:49,189 INFO L225 Difference]: With dead ends: 36709 [2019-12-18 17:17:49,189 INFO L226 Difference]: Without dead ends: 30167 [2019-12-18 17:17:49,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30167 states. [2019-12-18 17:17:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30167 to 29499. [2019-12-18 17:17:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29499 states. [2019-12-18 17:17:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29499 states to 29499 states and 115623 transitions. [2019-12-18 17:17:50,292 INFO L78 Accepts]: Start accepts. Automaton has 29499 states and 115623 transitions. Word has length 21 [2019-12-18 17:17:50,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:50,292 INFO L462 AbstractCegarLoop]: Abstraction has 29499 states and 115623 transitions. [2019-12-18 17:17:50,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 17:17:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 29499 states and 115623 transitions. [2019-12-18 17:17:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-18 17:17:50,310 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:50,310 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:50,310 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:50,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:50,310 INFO L82 PathProgramCache]: Analyzing trace with hash 484267595, now seen corresponding path program 1 times [2019-12-18 17:17:50,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:50,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359643289] [2019-12-18 17:17:50,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:50,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359643289] [2019-12-18 17:17:50,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:50,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 17:17:50,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143240295] [2019-12-18 17:17:50,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 17:17:50,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:50,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 17:17:50,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:50,383 INFO L87 Difference]: Start difference. First operand 29499 states and 115623 transitions. Second operand 3 states. [2019-12-18 17:17:50,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:50,526 INFO L93 Difference]: Finished difference Result 29289 states and 114842 transitions. [2019-12-18 17:17:50,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 17:17:50,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-18 17:17:50,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:50,592 INFO L225 Difference]: With dead ends: 29289 [2019-12-18 17:17:50,592 INFO L226 Difference]: Without dead ends: 29289 [2019-12-18 17:17:50,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29289 states. [2019-12-18 17:17:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29289 to 29205. [2019-12-18 17:17:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29205 states. [2019-12-18 17:17:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29205 states to 29205 states and 114644 transitions. [2019-12-18 17:17:52,749 INFO L78 Accepts]: Start accepts. Automaton has 29205 states and 114644 transitions. Word has length 21 [2019-12-18 17:17:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:52,749 INFO L462 AbstractCegarLoop]: Abstraction has 29205 states and 114644 transitions. [2019-12-18 17:17:52,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 17:17:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 29205 states and 114644 transitions. [2019-12-18 17:17:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-18 17:17:52,764 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:52,764 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:52,764 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:52,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:52,764 INFO L82 PathProgramCache]: Analyzing trace with hash 291958640, now seen corresponding path program 1 times [2019-12-18 17:17:52,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:52,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475377875] [2019-12-18 17:17:52,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:52,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475377875] [2019-12-18 17:17:52,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:52,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 17:17:52,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087424626] [2019-12-18 17:17:52,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 17:17:52,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:52,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 17:17:52,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:52,829 INFO L87 Difference]: Start difference. First operand 29205 states and 114644 transitions. Second operand 3 states. [2019-12-18 17:17:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:52,964 INFO L93 Difference]: Finished difference Result 29205 states and 113300 transitions. [2019-12-18 17:17:52,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 17:17:52,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-18 17:17:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:53,028 INFO L225 Difference]: With dead ends: 29205 [2019-12-18 17:17:53,029 INFO L226 Difference]: Without dead ends: 29205 [2019-12-18 17:17:53,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29205 states. [2019-12-18 17:17:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29205 to 28805. [2019-12-18 17:17:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28805 states. [2019-12-18 17:17:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28805 states to 28805 states and 111840 transitions. [2019-12-18 17:17:53,813 INFO L78 Accepts]: Start accepts. Automaton has 28805 states and 111840 transitions. Word has length 22 [2019-12-18 17:17:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:53,814 INFO L462 AbstractCegarLoop]: Abstraction has 28805 states and 111840 transitions. [2019-12-18 17:17:53,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 17:17:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 28805 states and 111840 transitions. [2019-12-18 17:17:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-18 17:17:53,826 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:53,826 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:53,827 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:53,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:53,827 INFO L82 PathProgramCache]: Analyzing trace with hash -9241093, now seen corresponding path program 1 times [2019-12-18 17:17:53,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:53,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430149089] [2019-12-18 17:17:53,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:53,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430149089] [2019-12-18 17:17:53,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:53,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 17:17:53,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474610922] [2019-12-18 17:17:53,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 17:17:53,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:53,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 17:17:53,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-18 17:17:53,903 INFO L87 Difference]: Start difference. First operand 28805 states and 111840 transitions. Second operand 5 states. [2019-12-18 17:17:54,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:54,003 INFO L93 Difference]: Finished difference Result 12329 states and 39554 transitions. [2019-12-18 17:17:54,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 17:17:54,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-18 17:17:54,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:54,019 INFO L225 Difference]: With dead ends: 12329 [2019-12-18 17:17:54,020 INFO L226 Difference]: Without dead ends: 10557 [2019-12-18 17:17:54,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-18 17:17:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2019-12-18 17:17:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 10557. [2019-12-18 17:17:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10557 states. [2019-12-18 17:17:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10557 states to 10557 states and 32994 transitions. [2019-12-18 17:17:54,176 INFO L78 Accepts]: Start accepts. Automaton has 10557 states and 32994 transitions. Word has length 23 [2019-12-18 17:17:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:54,176 INFO L462 AbstractCegarLoop]: Abstraction has 10557 states and 32994 transitions. [2019-12-18 17:17:54,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 17:17:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10557 states and 32994 transitions. [2019-12-18 17:17:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-18 17:17:54,180 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:54,181 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:54,181 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:54,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:54,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1862087193, now seen corresponding path program 1 times [2019-12-18 17:17:54,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:54,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039229209] [2019-12-18 17:17:54,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:54,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039229209] [2019-12-18 17:17:54,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:54,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 17:17:54,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248788865] [2019-12-18 17:17:54,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 17:17:54,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:54,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 17:17:54,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 17:17:54,230 INFO L87 Difference]: Start difference. First operand 10557 states and 32994 transitions. Second operand 4 states. [2019-12-18 17:17:54,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:54,312 INFO L93 Difference]: Finished difference Result 15941 states and 50535 transitions. [2019-12-18 17:17:54,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 17:17:54,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-18 17:17:54,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:54,330 INFO L225 Difference]: With dead ends: 15941 [2019-12-18 17:17:54,330 INFO L226 Difference]: Without dead ends: 8445 [2019-12-18 17:17:54,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 17:17:54,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2019-12-18 17:17:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8146. [2019-12-18 17:17:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8146 states. [2019-12-18 17:17:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8146 states to 8146 states and 25593 transitions. [2019-12-18 17:17:54,476 INFO L78 Accepts]: Start accepts. Automaton has 8146 states and 25593 transitions. Word has length 24 [2019-12-18 17:17:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:54,476 INFO L462 AbstractCegarLoop]: Abstraction has 8146 states and 25593 transitions. [2019-12-18 17:17:54,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 17:17:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 8146 states and 25593 transitions. [2019-12-18 17:17:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-18 17:17:54,480 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:54,480 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:54,481 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:54,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:54,481 INFO L82 PathProgramCache]: Analyzing trace with hash -417737333, now seen corresponding path program 2 times [2019-12-18 17:17:54,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:54,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859097489] [2019-12-18 17:17:54,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:54,556 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859097489] [2019-12-18 17:17:54,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:54,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 17:17:54,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594311202] [2019-12-18 17:17:54,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 17:17:54,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:54,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 17:17:54,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-18 17:17:54,558 INFO L87 Difference]: Start difference. First operand 8146 states and 25593 transitions. Second operand 6 states. [2019-12-18 17:17:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:54,672 INFO L93 Difference]: Finished difference Result 3111 states and 8924 transitions. [2019-12-18 17:17:54,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 17:17:54,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-12-18 17:17:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:54,677 INFO L225 Difference]: With dead ends: 3111 [2019-12-18 17:17:54,677 INFO L226 Difference]: Without dead ends: 2590 [2019-12-18 17:17:54,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-18 17:17:54,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2019-12-18 17:17:54,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 2590. [2019-12-18 17:17:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2590 states. [2019-12-18 17:17:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 7335 transitions. [2019-12-18 17:17:54,731 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 7335 transitions. Word has length 24 [2019-12-18 17:17:54,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:54,731 INFO L462 AbstractCegarLoop]: Abstraction has 2590 states and 7335 transitions. [2019-12-18 17:17:54,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 17:17:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 7335 transitions. [2019-12-18 17:17:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-18 17:17:54,738 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:54,738 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:54,738 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:54,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:54,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1619810495, now seen corresponding path program 1 times [2019-12-18 17:17:54,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:54,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877396675] [2019-12-18 17:17:54,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:54,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877396675] [2019-12-18 17:17:54,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:54,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 17:17:54,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117529139] [2019-12-18 17:17:54,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 17:17:54,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:54,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 17:17:54,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:54,789 INFO L87 Difference]: Start difference. First operand 2590 states and 7335 transitions. Second operand 3 states. [2019-12-18 17:17:54,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:54,849 INFO L93 Difference]: Finished difference Result 3908 states and 10998 transitions. [2019-12-18 17:17:54,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 17:17:54,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-12-18 17:17:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:54,856 INFO L225 Difference]: With dead ends: 3908 [2019-12-18 17:17:54,857 INFO L226 Difference]: Without dead ends: 3908 [2019-12-18 17:17:54,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 17:17:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2019-12-18 17:17:55,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3066. [2019-12-18 17:17:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3066 states. [2019-12-18 17:17:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 8797 transitions. [2019-12-18 17:17:55,051 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 8797 transitions. Word has length 32 [2019-12-18 17:17:55,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:55,051 INFO L462 AbstractCegarLoop]: Abstraction has 3066 states and 8797 transitions. [2019-12-18 17:17:55,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 17:17:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 8797 transitions. [2019-12-18 17:17:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-18 17:17:55,057 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:55,058 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:55,058 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:55,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1082300219, now seen corresponding path program 1 times [2019-12-18 17:17:55,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:55,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974050147] [2019-12-18 17:17:55,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:55,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974050147] [2019-12-18 17:17:55,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:55,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 17:17:55,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415267371] [2019-12-18 17:17:55,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 17:17:55,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:55,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 17:17:55,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-18 17:17:55,189 INFO L87 Difference]: Start difference. First operand 3066 states and 8797 transitions. Second operand 6 states. [2019-12-18 17:17:55,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:55,637 INFO L93 Difference]: Finished difference Result 6462 states and 17612 transitions. [2019-12-18 17:17:55,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 17:17:55,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-18 17:17:55,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:55,648 INFO L225 Difference]: With dead ends: 6462 [2019-12-18 17:17:55,649 INFO L226 Difference]: Without dead ends: 6324 [2019-12-18 17:17:55,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-18 17:17:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6324 states. [2019-12-18 17:17:55,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6324 to 3196. [2019-12-18 17:17:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3196 states. [2019-12-18 17:17:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 9125 transitions. [2019-12-18 17:17:55,703 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 9125 transitions. Word has length 32 [2019-12-18 17:17:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:55,704 INFO L462 AbstractCegarLoop]: Abstraction has 3196 states and 9125 transitions. [2019-12-18 17:17:55,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 17:17:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 9125 transitions. [2019-12-18 17:17:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-18 17:17:55,708 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:55,708 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:55,708 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:55,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:55,709 INFO L82 PathProgramCache]: Analyzing trace with hash -345264620, now seen corresponding path program 1 times [2019-12-18 17:17:55,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:55,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195785716] [2019-12-18 17:17:55,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:55,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195785716] [2019-12-18 17:17:55,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:55,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 17:17:55,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811195979] [2019-12-18 17:17:55,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 17:17:55,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:55,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 17:17:55,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-18 17:17:55,820 INFO L87 Difference]: Start difference. First operand 3196 states and 9125 transitions. Second operand 6 states. [2019-12-18 17:17:56,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:56,259 INFO L93 Difference]: Finished difference Result 6123 states and 16579 transitions. [2019-12-18 17:17:56,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 17:17:56,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-18 17:17:56,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:56,268 INFO L225 Difference]: With dead ends: 6123 [2019-12-18 17:17:56,268 INFO L226 Difference]: Without dead ends: 5979 [2019-12-18 17:17:56,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-18 17:17:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5979 states. [2019-12-18 17:17:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5979 to 3000. [2019-12-18 17:17:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3000 states. [2019-12-18 17:17:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 8617 transitions. [2019-12-18 17:17:56,317 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 8617 transitions. Word has length 33 [2019-12-18 17:17:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:56,317 INFO L462 AbstractCegarLoop]: Abstraction has 3000 states and 8617 transitions. [2019-12-18 17:17:56,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 17:17:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 8617 transitions. [2019-12-18 17:17:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-18 17:17:56,322 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:56,322 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:56,322 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1231616427, now seen corresponding path program 1 times [2019-12-18 17:17:56,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:56,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142076490] [2019-12-18 17:17:56,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:56,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142076490] [2019-12-18 17:17:56,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:56,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 17:17:56,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178381525] [2019-12-18 17:17:56,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 17:17:56,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:56,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 17:17:56,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-18 17:17:56,420 INFO L87 Difference]: Start difference. First operand 3000 states and 8617 transitions. Second operand 7 states. [2019-12-18 17:17:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:56,532 INFO L93 Difference]: Finished difference Result 2263 states and 6813 transitions. [2019-12-18 17:17:56,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 17:17:56,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-18 17:17:56,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:56,536 INFO L225 Difference]: With dead ends: 2263 [2019-12-18 17:17:56,536 INFO L226 Difference]: Without dead ends: 1607 [2019-12-18 17:17:56,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-12-18 17:17:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2019-12-18 17:17:56,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1553. [2019-12-18 17:17:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1553 states. [2019-12-18 17:17:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 4536 transitions. [2019-12-18 17:17:56,560 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 4536 transitions. Word has length 33 [2019-12-18 17:17:56,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:56,561 INFO L462 AbstractCegarLoop]: Abstraction has 1553 states and 4536 transitions. [2019-12-18 17:17:56,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 17:17:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 4536 transitions. [2019-12-18 17:17:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-18 17:17:56,563 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:56,563 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:56,563 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:56,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:56,564 INFO L82 PathProgramCache]: Analyzing trace with hash -978641481, now seen corresponding path program 1 times [2019-12-18 17:17:56,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:56,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288412091] [2019-12-18 17:17:56,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:56,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288412091] [2019-12-18 17:17:56,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:56,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 17:17:56,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495177837] [2019-12-18 17:17:56,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 17:17:56,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:56,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 17:17:56,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-18 17:17:56,640 INFO L87 Difference]: Start difference. First operand 1553 states and 4536 transitions. Second operand 6 states. [2019-12-18 17:17:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:56,837 INFO L93 Difference]: Finished difference Result 4702 states and 13602 transitions. [2019-12-18 17:17:56,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 17:17:56,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2019-12-18 17:17:56,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:56,842 INFO L225 Difference]: With dead ends: 4702 [2019-12-18 17:17:56,843 INFO L226 Difference]: Without dead ends: 3062 [2019-12-18 17:17:56,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-18 17:17:56,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2019-12-18 17:17:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 1755. [2019-12-18 17:17:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2019-12-18 17:17:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 5105 transitions. [2019-12-18 17:17:56,880 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 5105 transitions. Word has length 48 [2019-12-18 17:17:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:56,880 INFO L462 AbstractCegarLoop]: Abstraction has 1755 states and 5105 transitions. [2019-12-18 17:17:56,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 17:17:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 5105 transitions. [2019-12-18 17:17:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-18 17:17:56,884 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:56,884 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:56,884 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:56,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:56,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1923718495, now seen corresponding path program 2 times [2019-12-18 17:17:56,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:56,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594947644] [2019-12-18 17:17:56,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:56,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594947644] [2019-12-18 17:17:56,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:56,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 17:17:56,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298645116] [2019-12-18 17:17:56,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 17:17:56,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:56,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 17:17:56,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 17:17:56,942 INFO L87 Difference]: Start difference. First operand 1755 states and 5105 transitions. Second operand 4 states. [2019-12-18 17:17:56,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:56,966 INFO L93 Difference]: Finished difference Result 2211 states and 6131 transitions. [2019-12-18 17:17:56,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 17:17:56,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2019-12-18 17:17:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:56,967 INFO L225 Difference]: With dead ends: 2211 [2019-12-18 17:17:56,967 INFO L226 Difference]: Without dead ends: 504 [2019-12-18 17:17:56,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 17:17:56,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2019-12-18 17:17:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2019-12-18 17:17:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-12-18 17:17:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1111 transitions. [2019-12-18 17:17:56,975 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1111 transitions. Word has length 48 [2019-12-18 17:17:56,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:56,975 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 1111 transitions. [2019-12-18 17:17:56,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 17:17:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1111 transitions. [2019-12-18 17:17:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-18 17:17:56,977 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:56,977 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:56,977 INFO L410 AbstractCegarLoop]: === Iteration 17 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:56,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:56,978 INFO L82 PathProgramCache]: Analyzing trace with hash -126758993, now seen corresponding path program 3 times [2019-12-18 17:17:56,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:56,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167934311] [2019-12-18 17:17:56,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 17:17:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 17:17:57,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167934311] [2019-12-18 17:17:57,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 17:17:57,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 17:17:57,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092540802] [2019-12-18 17:17:57,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 17:17:57,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 17:17:57,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 17:17:57,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-18 17:17:57,066 INFO L87 Difference]: Start difference. First operand 504 states and 1111 transitions. Second operand 7 states. [2019-12-18 17:17:57,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 17:17:57,249 INFO L93 Difference]: Finished difference Result 892 states and 1938 transitions. [2019-12-18 17:17:57,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-18 17:17:57,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2019-12-18 17:17:57,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 17:17:57,250 INFO L225 Difference]: With dead ends: 892 [2019-12-18 17:17:57,251 INFO L226 Difference]: Without dead ends: 594 [2019-12-18 17:17:57,251 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-12-18 17:17:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-12-18 17:17:57,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 536. [2019-12-18 17:17:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-12-18 17:17:57,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1171 transitions. [2019-12-18 17:17:57,259 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1171 transitions. Word has length 48 [2019-12-18 17:17:57,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 17:17:57,260 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1171 transitions. [2019-12-18 17:17:57,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 17:17:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1171 transitions. [2019-12-18 17:17:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-18 17:17:57,262 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 17:17:57,262 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 17:17:57,262 INFO L410 AbstractCegarLoop]: === Iteration 18 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 17:17:57,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 17:17:57,263 INFO L82 PathProgramCache]: Analyzing trace with hash 24927743, now seen corresponding path program 4 times [2019-12-18 17:17:57,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 17:17:57,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431802181] [2019-12-18 17:17:57,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 17:17:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 17:17:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 17:17:57,440 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 17:17:57,441 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 17:17:57,445 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [773] [773] ULTIMATE.startENTRY-->L843: Formula: (let ((.cse0 (store |v_#valid_107| 0 0))) (and (= v_~x~0_71 0) (= 0 v_~weak$$choice0~0_10) (= v_~z$w_buff0_used~0_514 0) (= 0 v_~z$r_buff1_thd3~0_207) (= v_~main$tmp_guard0~0_30 0) (= v_~main$tmp_guard1~0_44 0) (= v_~z$read_delayed_var~0.offset_6 0) (= v_~a~0_59 0) (= 0 v_~z$flush_delayed~0_37) (= v_~z$mem_tmp~0_16 0) (= |v_#length_31| (store |v_#length_32| |v_ULTIMATE.start_main_~#t981~0.base_59| 4)) (< 0 |v_#StackHeapBarrier_19|) (= v_~z$r_buff0_thd0~0_119 0) (= 0 v_~z$r_buff1_thd4~0_110) (= (select .cse0 |v_ULTIMATE.start_main_~#t981~0.base_59|) 0) (= v_~y~0_19 0) (= v_~z$w_buff0~0_183 0) (= 0 v_~z$r_buff1_thd1~0_59) (= 0 v_~z$r_buff0_thd4~0_166) (= v_~z$read_delayed_var~0.base_6 0) (= 0 v_~__unbuffered_p3_EAX~0_87) (= 0 v_~z$r_buff1_thd2~0_58) (= v_~z$r_buff0_thd1~0_58 0) (< |v_#StackHeapBarrier_19| |v_ULTIMATE.start_main_~#t981~0.base_59|) (= |v_#memory_int_27| (store |v_#memory_int_28| |v_ULTIMATE.start_main_~#t981~0.base_59| (store (select |v_#memory_int_28| |v_ULTIMATE.start_main_~#t981~0.base_59|) |v_ULTIMATE.start_main_~#t981~0.offset_37| 0))) (= v_~z$r_buff0_thd2~0_57 0) (= v_~z$read_delayed~0_7 0) (= v_~z$r_buff1_thd0~0_132 0) (= |v_#NULL.offset_5| 0) (= v_~z~0_116 0) (= 0 v_~__unbuffered_p2_EAX~0_54) (= 0 v_~__unbuffered_p1_EAX~0_49) (= 0 v_~z$r_buff0_thd3~0_266) (= 0 v_~__unbuffered_p3_EBX~0_88) (= |v_#valid_105| (store .cse0 |v_ULTIMATE.start_main_~#t981~0.base_59| 1)) (= 0 v_~weak$$choice2~0_95) (= v_~z$w_buff1_used~0_298 0) (= 0 |v_#NULL.base_5|) (= v_~z$w_buff1~0_123 0) (= v_~b~0_79 0) (= |v_ULTIMATE.start_main_~#t981~0.offset_37| 0) (= v_~__unbuffered_cnt~0_126 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_19|, #valid=|v_#valid_107|, #memory_int=|v_#memory_int_28|, #length=|v_#length_32|} OutVars{ULTIMATE.start_main_#t~nondet32=|v_ULTIMATE.start_main_#t~nondet32_9|, ULTIMATE.start_main_#t~nondet34=|v_ULTIMATE.start_main_#t~nondet34_10|, ULTIMATE.start_main_~#t981~0.offset=|v_ULTIMATE.start_main_~#t981~0.offset_37|, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_58, #NULL.offset=|v_#NULL.offset_5|, ~a~0=v_~a~0_59, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_119, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_49, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_166, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_87, #length=|v_#length_31|, ULTIMATE.start_main_~#t984~0.offset=|v_ULTIMATE.start_main_~#t984~0.offset_22|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_54, ~z$mem_tmp~0=v_~z$mem_tmp~0_16, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_81|, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_298, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_72|, ~z$flush_delayed~0=v_~z$flush_delayed~0_37, ULTIMATE.start_main_~#t983~0.base=|v_ULTIMATE.start_main_~#t983~0.base_32|, ~weak$$choice0~0=v_~weak$$choice0~0_10, #StackHeapBarrier=|v_#StackHeapBarrier_19|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_37|, ULTIMATE.start_main_~#t984~0.base=|v_ULTIMATE.start_main_~#t984~0.base_32|, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_59, ~z$read_delayed_var~0.base=v_~z$read_delayed_var~0.base_6, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_266, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_126, ~x~0=v_~x~0_71, ULTIMATE.start_main_~#t982~0.base=|v_ULTIMATE.start_main_~#t982~0.base_56|, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_110, ULTIMATE.start_main_#t~nondet33=|v_ULTIMATE.start_main_#t~nondet33_10|, ULTIMATE.start_main_#t~nondet35=|v_ULTIMATE.start_main_#t~nondet35_18|, ~z$read_delayed~0=v_~z$read_delayed~0_7, ~z$w_buff1~0=v_~z$w_buff1~0_123, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~z$read_delayed_var~0.offset=v_~z$read_delayed_var~0.offset_6, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_132, ~y~0=v_~y~0_19, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_57, ULTIMATE.start_main_~#t983~0.offset=|v_ULTIMATE.start_main_~#t983~0.offset_23|, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_514, ~z$w_buff0~0=v_~z$w_buff0~0_183, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_207, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_45|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_141|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_88, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t982~0.offset=|v_ULTIMATE.start_main_~#t982~0.offset_35|, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_91|, ~b~0=v_~b~0_79, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_38|, #valid=|v_#valid_105|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_~#t981~0.base=|v_ULTIMATE.start_main_~#t981~0.base_59|, ~z~0=v_~z~0_116, ~weak$$choice2~0=v_~weak$$choice2~0_95, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_58} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet32, ULTIMATE.start_main_#t~nondet34, ULTIMATE.start_main_~#t981~0.offset, ~z$r_buff1_thd2~0, #NULL.offset, ~a~0, ~z$r_buff0_thd0~0, ~__unbuffered_p1_EAX~0, ~z$r_buff0_thd4~0, ~__unbuffered_p3_EAX~0, #length, ULTIMATE.start_main_~#t984~0.offset, ~__unbuffered_p2_EAX~0, ~z$mem_tmp~0, ULTIMATE.start_main_#t~ite39, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite37, ~z$flush_delayed~0, ULTIMATE.start_main_~#t983~0.base, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_~#t984~0.base, ~z$r_buff1_thd1~0, ~z$read_delayed_var~0.base, ~z$r_buff0_thd3~0, ~__unbuffered_cnt~0, ~x~0, ULTIMATE.start_main_~#t982~0.base, ~z$r_buff1_thd4~0, ULTIMATE.start_main_#t~nondet33, ULTIMATE.start_main_#t~nondet35, ~z$read_delayed~0, ~z$w_buff1~0, ~main$tmp_guard1~0, ~z$read_delayed_var~0.offset, ~z$r_buff1_thd0~0, ~y~0, ~z$r_buff0_thd2~0, ULTIMATE.start_main_~#t983~0.offset, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ~__unbuffered_p3_EBX~0, #NULL.base, ULTIMATE.start_main_~#t982~0.offset, ULTIMATE.start_main_#t~ite41, ~b~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t981~0.base, ~z~0, ~weak$$choice2~0, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-18 17:17:57,446 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [740] [740] L843-1-->L845: Formula: (and (= 0 (select |v_#valid_49| |v_ULTIMATE.start_main_~#t982~0.base_11|)) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t982~0.base_11| 4)) (= 0 |v_ULTIMATE.start_main_~#t982~0.offset_10|) (not (= |v_ULTIMATE.start_main_~#t982~0.base_11| 0)) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t982~0.base_11|) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t982~0.base_11| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t982~0.base_11|) |v_ULTIMATE.start_main_~#t982~0.offset_10| 1)) |v_#memory_int_19|) (= |v_#valid_48| (store |v_#valid_49| |v_ULTIMATE.start_main_~#t982~0.base_11| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t982~0.base=|v_ULTIMATE.start_main_~#t982~0.base_11|, ULTIMATE.start_main_~#t982~0.offset=|v_ULTIMATE.start_main_~#t982~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#t~nondet32=|v_ULTIMATE.start_main_#t~nondet32_5|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_19|, #length=|v_#length_23|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t982~0.base, ULTIMATE.start_main_~#t982~0.offset, ULTIMATE.start_main_#t~nondet32, #valid, #memory_int, #length] because there is no mapped edge [2019-12-18 17:17:57,446 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [734] [734] L845-1-->L847: Formula: (and (= 0 (select |v_#valid_47| |v_ULTIMATE.start_main_~#t983~0.base_12|)) (= (store |v_#valid_47| |v_ULTIMATE.start_main_~#t983~0.base_12| 1) |v_#valid_46|) (not (= 0 |v_ULTIMATE.start_main_~#t983~0.base_12|)) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t983~0.base_12| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t983~0.base_12|) |v_ULTIMATE.start_main_~#t983~0.offset_11| 2)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t983~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t983~0.offset_11|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t983~0.base_12| 4) |v_#length_21|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_~#t983~0.offset=|v_ULTIMATE.start_main_~#t983~0.offset_11|, ULTIMATE.start_main_#t~nondet33=|v_ULTIMATE.start_main_#t~nondet33_6|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ULTIMATE.start_main_~#t983~0.base=|v_ULTIMATE.start_main_~#t983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t983~0.offset, ULTIMATE.start_main_#t~nondet33, #valid, #memory_int, #length, ULTIMATE.start_main_~#t983~0.base] because there is no mapped edge [2019-12-18 17:17:57,447 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [730] [730] L847-1-->L849: Formula: (and (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t984~0.base_12|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t984~0.base_12| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t984~0.base_12|) |v_ULTIMATE.start_main_~#t984~0.offset_10| 3)) |v_#memory_int_15|) (= (select |v_#valid_43| |v_ULTIMATE.start_main_~#t984~0.base_12|) 0) (= |v_#valid_42| (store |v_#valid_43| |v_ULTIMATE.start_main_~#t984~0.base_12| 1)) (not (= |v_ULTIMATE.start_main_~#t984~0.base_12| 0)) (= 0 |v_ULTIMATE.start_main_~#t984~0.offset_10|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t984~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_43|, #memory_int=|v_#memory_int_16|, #length=|v_#length_20|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_#t~nondet34=|v_ULTIMATE.start_main_#t~nondet34_6|, ULTIMATE.start_main_~#t984~0.base=|v_ULTIMATE.start_main_~#t984~0.base_12|, #valid=|v_#valid_42|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t984~0.offset=|v_ULTIMATE.start_main_~#t984~0.offset_10|, #length=|v_#length_19|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet34, ULTIMATE.start_main_~#t984~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t984~0.offset, #length] because there is no mapped edge [2019-12-18 17:17:57,449 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [747] [747] L4-->L820: Formula: (and (= ~z$r_buff0_thd4~0_Out-1751498063 1) (= ~z$r_buff0_thd3~0_In-1751498063 ~z$r_buff1_thd3~0_Out-1751498063) (= ~z$r_buff1_thd1~0_Out-1751498063 ~z$r_buff0_thd1~0_In-1751498063) (= ~z$r_buff1_thd2~0_Out-1751498063 ~z$r_buff0_thd2~0_In-1751498063) (= 1 ~a~0_Out-1751498063) (= ~z$r_buff1_thd4~0_Out-1751498063 ~z$r_buff0_thd4~0_In-1751498063) (not (= P3Thread1of1ForFork2___VERIFIER_assert_~expression_In-1751498063 0)) (= ~__unbuffered_p3_EBX~0_Out-1751498063 ~b~0_In-1751498063) (= ~a~0_Out-1751498063 ~__unbuffered_p3_EAX~0_Out-1751498063) (= ~z$r_buff0_thd0~0_In-1751498063 ~z$r_buff1_thd0~0_Out-1751498063)) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1751498063, P3Thread1of1ForFork2___VERIFIER_assert_~expression=P3Thread1of1ForFork2___VERIFIER_assert_~expression_In-1751498063, ~b~0=~b~0_In-1751498063, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-1751498063, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1751498063, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-1751498063, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-1751498063} OutVars{P3Thread1of1ForFork2___VERIFIER_assert_~expression=P3Thread1of1ForFork2___VERIFIER_assert_~expression_In-1751498063, ~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_Out-1751498063, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_Out-1751498063, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_Out-1751498063, ~__unbuffered_p3_EBX~0=~__unbuffered_p3_EBX~0_Out-1751498063, ~a~0=~a~0_Out-1751498063, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1751498063, ~b~0=~b~0_In-1751498063, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-1751498063, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_Out-1751498063, ~__unbuffered_p3_EAX~0=~__unbuffered_p3_EAX~0_Out-1751498063, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_Out-1751498063, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1751498063, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-1751498063, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-1751498063} AuxVars[] AssignedVars[~a~0, ~z$r_buff1_thd4~0, ~z$r_buff1_thd3~0, ~z$r_buff1_thd0~0, ~z$r_buff1_thd2~0, ~z$r_buff1_thd1~0, ~__unbuffered_p3_EAX~0, ~z$r_buff0_thd4~0, ~__unbuffered_p3_EBX~0] because there is no mapped edge [2019-12-18 17:17:57,449 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [736] [736] P0ENTRY-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork3_#res.base_5|) (= v_~x~0_36 1) (= v_P0Thread1of1ForFork3_~arg.base_22 |v_P0Thread1of1ForFork3_#in~arg.base_22|) (= v_~__unbuffered_cnt~0_100 (+ v_~__unbuffered_cnt~0_101 1)) (= |v_P0Thread1of1ForFork3_#in~arg.offset_22| v_P0Thread1of1ForFork3_~arg.offset_22) (= |v_P0Thread1of1ForFork3_#res.offset_5| 0) (= v_~b~0_48 1)) InVars {P0Thread1of1ForFork3_#in~arg.offset=|v_P0Thread1of1ForFork3_#in~arg.offset_22|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_101, P0Thread1of1ForFork3_#in~arg.base=|v_P0Thread1of1ForFork3_#in~arg.base_22|} OutVars{~b~0=v_~b~0_48, P0Thread1of1ForFork3_#in~arg.offset=|v_P0Thread1of1ForFork3_#in~arg.offset_22|, P0Thread1of1ForFork3_~arg.base=v_P0Thread1of1ForFork3_~arg.base_22, P0Thread1of1ForFork3_#res.base=|v_P0Thread1of1ForFork3_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_100, P0Thread1of1ForFork3_#res.offset=|v_P0Thread1of1ForFork3_#res.offset_5|, P0Thread1of1ForFork3_~arg.offset=v_P0Thread1of1ForFork3_~arg.offset_22, P0Thread1of1ForFork3_#in~arg.base=|v_P0Thread1of1ForFork3_#in~arg.base_22|, ~x~0=v_~x~0_36} AuxVars[] AssignedVars[~b~0, P0Thread1of1ForFork3_~arg.base, P0Thread1of1ForFork3_#res.base, ~__unbuffered_cnt~0, P0Thread1of1ForFork3_#res.offset, P0Thread1of1ForFork3_~arg.offset, ~x~0] because there is no mapped edge [2019-12-18 17:17:57,450 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [714] [714] P1ENTRY-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork0_#res.base_7|) (= v_~y~0_15 v_~__unbuffered_p1_EAX~0_14) (= v_P1Thread1of1ForFork0_~arg.base_11 |v_P1Thread1of1ForFork0_#in~arg.base_11|) (= (+ v_~__unbuffered_cnt~0_59 1) v_~__unbuffered_cnt~0_58) (= v_~x~0_23 2) (= |v_P1Thread1of1ForFork0_#in~arg.offset_11| v_P1Thread1of1ForFork0_~arg.offset_11) (= 0 |v_P1Thread1of1ForFork0_#res.offset_7|)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_11|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, ~y~0=v_~y~0_15} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_14, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_11, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_11|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_58, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_7|, ~y~0=v_~y~0_15, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_7|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork0_~arg.base, ~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base, ~x~0] because there is no mapped edge [2019-12-18 17:17:57,452 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [750] [750] L778-->L778-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In367760140 256) 0))) (or (and (not .cse0) (= |P2Thread1of1ForFork1_#t~ite8_In367760140| |P2Thread1of1ForFork1_#t~ite8_Out367760140|) (= |P2Thread1of1ForFork1_#t~ite9_Out367760140| ~z$w_buff0~0_In367760140)) (and (= |P2Thread1of1ForFork1_#t~ite9_Out367760140| |P2Thread1of1ForFork1_#t~ite8_Out367760140|) .cse0 (= |P2Thread1of1ForFork1_#t~ite8_Out367760140| ~z$w_buff0~0_In367760140) (let ((.cse1 (= (mod ~z$r_buff0_thd3~0_In367760140 256) 0))) (or (and .cse1 (= 0 (mod ~z$w_buff1_used~0_In367760140 256))) (= 0 (mod ~z$w_buff0_used~0_In367760140 256)) (and (= (mod ~z$r_buff1_thd3~0_In367760140 256) 0) .cse1)))))) InVars {~z$w_buff0~0=~z$w_buff0~0_In367760140, ~z$w_buff0_used~0=~z$w_buff0_used~0_In367760140, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In367760140, ~z$w_buff1_used~0=~z$w_buff1_used~0_In367760140, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In367760140, ~weak$$choice2~0=~weak$$choice2~0_In367760140, P2Thread1of1ForFork1_#t~ite8=|P2Thread1of1ForFork1_#t~ite8_In367760140|} OutVars{~z$w_buff0~0=~z$w_buff0~0_In367760140, ~z$w_buff0_used~0=~z$w_buff0_used~0_In367760140, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In367760140, ~z$w_buff1_used~0=~z$w_buff1_used~0_In367760140, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In367760140, ~weak$$choice2~0=~weak$$choice2~0_In367760140, P2Thread1of1ForFork1_#t~ite9=|P2Thread1of1ForFork1_#t~ite9_Out367760140|, P2Thread1of1ForFork1_#t~ite8=|P2Thread1of1ForFork1_#t~ite8_Out367760140|} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#t~ite9, P2Thread1of1ForFork1_#t~ite8] because there is no mapped edge [2019-12-18 17:17:57,453 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [749] [749] L779-->L779-8: Formula: (let ((.cse1 (= (mod ~weak$$choice2~0_In1267970265 256) 0))) (or (and (let ((.cse0 (= (mod ~z$r_buff0_thd3~0_In1267970265 256) 0))) (or (and .cse0 (= 0 (mod ~z$w_buff1_used~0_In1267970265 256))) (= (mod ~z$w_buff0_used~0_In1267970265 256) 0) (and .cse0 (= 0 (mod ~z$r_buff1_thd3~0_In1267970265 256))))) (= |P2Thread1of1ForFork1_#t~ite12_Out1267970265| |P2Thread1of1ForFork1_#t~ite11_Out1267970265|) (= ~z$w_buff1~0_In1267970265 |P2Thread1of1ForFork1_#t~ite11_Out1267970265|) .cse1) (and (not .cse1) (= |P2Thread1of1ForFork1_#t~ite11_In1267970265| |P2Thread1of1ForFork1_#t~ite11_Out1267970265|) (= |P2Thread1of1ForFork1_#t~ite12_Out1267970265| ~z$w_buff1~0_In1267970265)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1267970265, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In1267970265, P2Thread1of1ForFork1_#t~ite11=|P2Thread1of1ForFork1_#t~ite11_In1267970265|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1267970265, ~z$w_buff1~0=~z$w_buff1~0_In1267970265, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In1267970265, ~weak$$choice2~0=~weak$$choice2~0_In1267970265} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In1267970265, P2Thread1of1ForFork1_#t~ite11=|P2Thread1of1ForFork1_#t~ite11_Out1267970265|, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In1267970265, P2Thread1of1ForFork1_#t~ite12=|P2Thread1of1ForFork1_#t~ite12_Out1267970265|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1267970265, ~z$w_buff1~0=~z$w_buff1~0_In1267970265, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In1267970265, ~weak$$choice2~0=~weak$$choice2~0_In1267970265} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#t~ite11, P2Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-18 17:17:57,454 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [748] [748] L780-->L780-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In453383990 256) 0))) (or (and (= ~z$w_buff0_used~0_In453383990 |P2Thread1of1ForFork1_#t~ite14_Out453383990|) .cse0 (= |P2Thread1of1ForFork1_#t~ite15_Out453383990| |P2Thread1of1ForFork1_#t~ite14_Out453383990|) (let ((.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In453383990 256)))) (or (and (= (mod ~z$r_buff1_thd3~0_In453383990 256) 0) .cse1) (= 0 (mod ~z$w_buff0_used~0_In453383990 256)) (and (= (mod ~z$w_buff1_used~0_In453383990 256) 0) .cse1)))) (and (= ~z$w_buff0_used~0_In453383990 |P2Thread1of1ForFork1_#t~ite15_Out453383990|) (= |P2Thread1of1ForFork1_#t~ite14_In453383990| |P2Thread1of1ForFork1_#t~ite14_Out453383990|) (not .cse0)))) InVars {P2Thread1of1ForFork1_#t~ite14=|P2Thread1of1ForFork1_#t~ite14_In453383990|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In453383990, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In453383990, ~z$w_buff1_used~0=~z$w_buff1_used~0_In453383990, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In453383990, ~weak$$choice2~0=~weak$$choice2~0_In453383990} OutVars{P2Thread1of1ForFork1_#t~ite14=|P2Thread1of1ForFork1_#t~ite14_Out453383990|, P2Thread1of1ForFork1_#t~ite15=|P2Thread1of1ForFork1_#t~ite15_Out453383990|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In453383990, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In453383990, ~z$w_buff1_used~0=~z$w_buff1_used~0_In453383990, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In453383990, ~weak$$choice2~0=~weak$$choice2~0_In453383990} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#t~ite14, P2Thread1of1ForFork1_#t~ite15] because there is no mapped edge [2019-12-18 17:17:57,456 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [682] [682] L782-->L783: Formula: (and (= v_~z$r_buff0_thd3~0_90 v_~z$r_buff0_thd3~0_89) (not (= (mod v_~weak$$choice2~0_22 256) 0))) InVars {~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_90, ~weak$$choice2~0=v_~weak$$choice2~0_22} OutVars{P2Thread1of1ForFork1_#t~ite20=|v_P2Thread1of1ForFork1_#t~ite20_11|, P2Thread1of1ForFork1_#t~ite21=|v_P2Thread1of1ForFork1_#t~ite21_9|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_89, ~weak$$choice2~0=v_~weak$$choice2~0_22, P2Thread1of1ForFork1_#t~ite19=|v_P2Thread1of1ForFork1_#t~ite19_8|} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#t~ite20, P2Thread1of1ForFork1_#t~ite21, ~z$r_buff0_thd3~0, P2Thread1of1ForFork1_#t~ite19] because there is no mapped edge [2019-12-18 17:17:57,456 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [751] [751] L783-->L783-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In1249718649 256) 0))) (or (and .cse0 (= ~z$r_buff1_thd3~0_In1249718649 |P2Thread1of1ForFork1_#t~ite23_Out1249718649|) (= |P2Thread1of1ForFork1_#t~ite24_Out1249718649| |P2Thread1of1ForFork1_#t~ite23_Out1249718649|) (let ((.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In1249718649 256)))) (or (and .cse1 (= (mod ~z$r_buff1_thd3~0_In1249718649 256) 0)) (= 0 (mod ~z$w_buff0_used~0_In1249718649 256)) (and .cse1 (= (mod ~z$w_buff1_used~0_In1249718649 256) 0))))) (and (= |P2Thread1of1ForFork1_#t~ite24_Out1249718649| ~z$r_buff1_thd3~0_In1249718649) (= |P2Thread1of1ForFork1_#t~ite23_In1249718649| |P2Thread1of1ForFork1_#t~ite23_Out1249718649|) (not .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1249718649, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In1249718649, P2Thread1of1ForFork1_#t~ite23=|P2Thread1of1ForFork1_#t~ite23_In1249718649|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1249718649, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In1249718649, ~weak$$choice2~0=~weak$$choice2~0_In1249718649} OutVars{P2Thread1of1ForFork1_#t~ite24=|P2Thread1of1ForFork1_#t~ite24_Out1249718649|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1249718649, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In1249718649, P2Thread1of1ForFork1_#t~ite23=|P2Thread1of1ForFork1_#t~ite23_Out1249718649|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1249718649, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In1249718649, ~weak$$choice2~0=~weak$$choice2~0_In1249718649} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#t~ite24, P2Thread1of1ForFork1_#t~ite23] because there is no mapped edge [2019-12-18 17:17:57,457 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [640] [640] L785-->L793: Formula: (and (= 0 v_~z$flush_delayed~0_8) (= v_~z~0_22 v_~z$mem_tmp~0_6) (= (+ v_~__unbuffered_cnt~0_12 1) v_~__unbuffered_cnt~0_11) (not (= 0 (mod v_~z$flush_delayed~0_9 256)))) InVars {~z$mem_tmp~0=v_~z$mem_tmp~0_6, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_12, ~z$flush_delayed~0=v_~z$flush_delayed~0_9} OutVars{P2Thread1of1ForFork1_#t~ite25=|v_P2Thread1of1ForFork1_#t~ite25_7|, ~z$mem_tmp~0=v_~z$mem_tmp~0_6, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_11, ~z$flush_delayed~0=v_~z$flush_delayed~0_8, ~z~0=v_~z~0_22} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#t~ite25, ~__unbuffered_cnt~0, ~z$flush_delayed~0, ~z~0] because there is no mapped edge [2019-12-18 17:17:57,458 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [708] [708] L821-->L821-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd4~0_In-856179433 256) 0)) (.cse0 (= 0 (mod ~z$w_buff0_used~0_In-856179433 256)))) (or (and (= |P3Thread1of1ForFork2_#t~ite28_Out-856179433| 0) (not .cse0) (not .cse1)) (and (= |P3Thread1of1ForFork2_#t~ite28_Out-856179433| ~z$w_buff0_used~0_In-856179433) (or .cse1 .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-856179433, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-856179433} OutVars{P3Thread1of1ForFork2_#t~ite28=|P3Thread1of1ForFork2_#t~ite28_Out-856179433|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-856179433, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-856179433} AuxVars[] AssignedVars[P3Thread1of1ForFork2_#t~ite28] because there is no mapped edge [2019-12-18 17:17:57,459 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [701] [701] L822-->L822-2: Formula: (let ((.cse0 (= (mod ~z$w_buff0_used~0_In111960000 256) 0)) (.cse1 (= (mod ~z$r_buff0_thd4~0_In111960000 256) 0)) (.cse2 (= (mod ~z$r_buff1_thd4~0_In111960000 256) 0)) (.cse3 (= (mod ~z$w_buff1_used~0_In111960000 256) 0))) (or (and (= ~z$w_buff1_used~0_In111960000 |P3Thread1of1ForFork2_#t~ite29_Out111960000|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P3Thread1of1ForFork2_#t~ite29_Out111960000|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))))) InVars {~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In111960000, ~z$w_buff0_used~0=~z$w_buff0_used~0_In111960000, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In111960000, ~z$w_buff1_used~0=~z$w_buff1_used~0_In111960000} OutVars{P3Thread1of1ForFork2_#t~ite29=|P3Thread1of1ForFork2_#t~ite29_Out111960000|, ~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In111960000, ~z$w_buff0_used~0=~z$w_buff0_used~0_In111960000, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In111960000, ~z$w_buff1_used~0=~z$w_buff1_used~0_In111960000} AuxVars[] AssignedVars[P3Thread1of1ForFork2_#t~ite29] because there is no mapped edge [2019-12-18 17:17:57,459 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [699] [699] L823-->L824: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In-616914961 256))) (.cse0 (= 0 (mod ~z$r_buff0_thd4~0_In-616914961 256)))) (or (and (not .cse0) (= ~z$r_buff0_thd4~0_Out-616914961 0) (not .cse1)) (and (= ~z$r_buff0_thd4~0_Out-616914961 ~z$r_buff0_thd4~0_In-616914961) (or .cse1 .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-616914961, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In-616914961} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-616914961, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_Out-616914961, P3Thread1of1ForFork2_#t~ite30=|P3Thread1of1ForFork2_#t~ite30_Out-616914961|} AuxVars[] AssignedVars[~z$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~ite30] because there is no mapped edge [2019-12-18 17:17:57,460 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [698] [698] L824-->L824-2: Formula: (let ((.cse2 (= 0 (mod ~z$r_buff0_thd4~0_In903224403 256))) (.cse3 (= 0 (mod ~z$w_buff0_used~0_In903224403 256))) (.cse1 (= 0 (mod ~z$r_buff1_thd4~0_In903224403 256))) (.cse0 (= (mod ~z$w_buff1_used~0_In903224403 256) 0))) (or (and (= |P3Thread1of1ForFork2_#t~ite31_Out903224403| ~z$r_buff1_thd4~0_In903224403) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P3Thread1of1ForFork2_#t~ite31_Out903224403|) (or (and (not .cse2) (not .cse3)) (and (not .cse1) (not .cse0)))))) InVars {~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In903224403, ~z$w_buff0_used~0=~z$w_buff0_used~0_In903224403, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In903224403, ~z$w_buff1_used~0=~z$w_buff1_used~0_In903224403} OutVars{~z$r_buff1_thd4~0=~z$r_buff1_thd4~0_In903224403, ~z$w_buff0_used~0=~z$w_buff0_used~0_In903224403, ~z$r_buff0_thd4~0=~z$r_buff0_thd4~0_In903224403, ~z$w_buff1_used~0=~z$w_buff1_used~0_In903224403, P3Thread1of1ForFork2_#t~ite31=|P3Thread1of1ForFork2_#t~ite31_Out903224403|} AuxVars[] AssignedVars[P3Thread1of1ForFork2_#t~ite31] because there is no mapped edge [2019-12-18 17:17:57,460 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [727] [727] L824-2-->P3EXIT: Formula: (and (= 0 |v_P3Thread1of1ForFork2_#res.offset_5|) (= (+ v_~__unbuffered_cnt~0_85 1) v_~__unbuffered_cnt~0_84) (= 0 |v_P3Thread1of1ForFork2_#res.base_5|) (= |v_P3Thread1of1ForFork2_#t~ite31_44| v_~z$r_buff1_thd4~0_62)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_85, P3Thread1of1ForFork2_#t~ite31=|v_P3Thread1of1ForFork2_#t~ite31_44|} OutVars{P3Thread1of1ForFork2_#res.base=|v_P3Thread1of1ForFork2_#res.base_5|, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_62, P3Thread1of1ForFork2_#res.offset=|v_P3Thread1of1ForFork2_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_84, P3Thread1of1ForFork2_#t~ite31=|v_P3Thread1of1ForFork2_#t~ite31_43|} AuxVars[] AssignedVars[P3Thread1of1ForFork2_#res.base, ~z$r_buff1_thd4~0, P3Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P3Thread1of1ForFork2_#t~ite31] because there is no mapped edge [2019-12-18 17:17:57,461 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L853-->L855-2: Formula: (and (or (= 0 (mod v_~z$w_buff0_used~0_93 256)) (= 0 (mod v_~z$r_buff0_thd0~0_15 256))) (not (= 0 (mod v_~main$tmp_guard0~0_5 256)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_15, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_93, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_5} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_15, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_93, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_5} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-18 17:17:57,461 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [704] [704] L855-2-->L855-5: Formula: (let ((.cse2 (= |ULTIMATE.start_main_#t~ite37_Out-2023975843| |ULTIMATE.start_main_#t~ite36_Out-2023975843|)) (.cse1 (= 0 (mod ~z$w_buff1_used~0_In-2023975843 256))) (.cse0 (= (mod ~z$r_buff1_thd0~0_In-2023975843 256) 0))) (or (and (not .cse0) (= ~z$w_buff1~0_In-2023975843 |ULTIMATE.start_main_#t~ite36_Out-2023975843|) (not .cse1) .cse2) (and (= ~z~0_In-2023975843 |ULTIMATE.start_main_#t~ite36_Out-2023975843|) .cse2 (or .cse1 .cse0)))) InVars {~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-2023975843, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-2023975843, ~z$w_buff1~0=~z$w_buff1~0_In-2023975843, ~z~0=~z~0_In-2023975843} OutVars{~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-2023975843, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-2023975843, ULTIMATE.start_main_#t~ite36=|ULTIMATE.start_main_#t~ite36_Out-2023975843|, ~z$w_buff1~0=~z$w_buff1~0_In-2023975843, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_Out-2023975843|, ~z~0=~z~0_In-2023975843} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite37] because there is no mapped edge [2019-12-18 17:17:57,462 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [705] [705] L856-->L856-2: Formula: (let ((.cse0 (= 0 (mod ~z$w_buff0_used~0_In917282200 256))) (.cse1 (= (mod ~z$r_buff0_thd0~0_In917282200 256) 0))) (or (and (= ~z$w_buff0_used~0_In917282200 |ULTIMATE.start_main_#t~ite38_Out917282200|) (or .cse0 .cse1)) (and (not .cse0) (= |ULTIMATE.start_main_#t~ite38_Out917282200| 0) (not .cse1)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In917282200, ~z$w_buff0_used~0=~z$w_buff0_used~0_In917282200} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In917282200, ~z$w_buff0_used~0=~z$w_buff0_used~0_In917282200, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out917282200|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite38] because there is no mapped edge [2019-12-18 17:17:57,463 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [709] [709] L857-->L857-2: Formula: (let ((.cse1 (= 0 (mod ~z$r_buff0_thd0~0_In-1348194528 256))) (.cse0 (= (mod ~z$w_buff0_used~0_In-1348194528 256) 0)) (.cse2 (= (mod ~z$w_buff1_used~0_In-1348194528 256) 0)) (.cse3 (= (mod ~z$r_buff1_thd0~0_In-1348194528 256) 0))) (or (and (or .cse0 .cse1) (= ~z$w_buff1_used~0_In-1348194528 |ULTIMATE.start_main_#t~ite39_Out-1348194528|) (or .cse2 .cse3)) (and (= 0 |ULTIMATE.start_main_#t~ite39_Out-1348194528|) (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3)))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1348194528, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1348194528, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1348194528, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1348194528} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1348194528, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-1348194528|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1348194528, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1348194528, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1348194528} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite39] because there is no mapped edge [2019-12-18 17:17:57,464 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [700] [700] L858-->L858-2: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In964280884 256))) (.cse0 (= 0 (mod ~z$r_buff0_thd0~0_In964280884 256)))) (or (and (not .cse0) (= |ULTIMATE.start_main_#t~ite40_Out964280884| 0) (not .cse1)) (and (or .cse1 .cse0) (= |ULTIMATE.start_main_#t~ite40_Out964280884| ~z$r_buff0_thd0~0_In964280884)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In964280884, ~z$w_buff0_used~0=~z$w_buff0_used~0_In964280884} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In964280884, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out964280884|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In964280884} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite40] because there is no mapped edge [2019-12-18 17:17:57,465 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [695] [695] L859-->L859-2: Formula: (let ((.cse3 (= 0 (mod ~z$r_buff0_thd0~0_In-1176547883 256))) (.cse2 (= 0 (mod ~z$w_buff0_used~0_In-1176547883 256))) (.cse1 (= 0 (mod ~z$r_buff1_thd0~0_In-1176547883 256))) (.cse0 (= (mod ~z$w_buff1_used~0_In-1176547883 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |ULTIMATE.start_main_#t~ite41_Out-1176547883|)) (and (= ~z$r_buff1_thd0~0_In-1176547883 |ULTIMATE.start_main_#t~ite41_Out-1176547883|) (or .cse3 .cse2) (or .cse1 .cse0)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1176547883, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1176547883, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1176547883, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1176547883} OutVars{ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-1176547883|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1176547883, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1176547883, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1176547883, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1176547883} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41] because there is no mapped edge [2019-12-18 17:17:57,465 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [752] [752] L859-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~__unbuffered_p1_EAX~0_21) (= 1 v_~__unbuffered_p3_EAX~0_43) (= 0 v_~__unbuffered_p3_EBX~0_41) (= (mod v_~main$tmp_guard1~0_13 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_8|) (= |v_ULTIMATE.start_main_#t~ite41_31| v_~z$r_buff1_thd0~0_73) (= v_ULTIMATE.start___VERIFIER_assert_~expression_12 0) (= v_~main$tmp_guard1~0_13 0) (= v_~x~0_41 2) (= 0 v_~__unbuffered_p2_EAX~0_17)) InVars {ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_31|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_43, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_17, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_41, ~x~0=v_~x~0_41} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_30|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_73, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_43, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_13, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_17, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_41, ~x~0=v_~x~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start___VERIFIER_assert_~expression, ~z$r_buff1_thd0~0, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-18 17:17:57,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 05:17:57 BasicIcfg [2019-12-18 17:17:57,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 17:17:57,590 INFO L168 Benchmark]: Toolchain (without parser) took 29400.21 ms. Allocated memory was 138.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 102.3 MB in the beginning and 627.1 MB in the end (delta: -524.8 MB). Peak memory consumption was 869.3 MB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,590 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.52 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 156.6 MB in the end (delta: -54.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.50 ms. Allocated memory is still 202.9 MB. Free memory was 156.6 MB in the beginning and 154.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,592 INFO L168 Benchmark]: Boogie Preprocessor took 38.18 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 151.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,592 INFO L168 Benchmark]: RCFGBuilder took 791.86 ms. Allocated memory is still 202.9 MB. Free memory was 151.4 MB in the beginning and 105.3 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,595 INFO L168 Benchmark]: TraceAbstraction took 27723.65 ms. Allocated memory was 202.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 105.3 MB in the beginning and 627.1 MB in the end (delta: -521.8 MB). Peak memory consumption was 808.4 MB. Max. memory is 7.1 GB. [2019-12-18 17:17:57,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.52 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.9 MB in the beginning and 156.6 MB in the end (delta: -54.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.50 ms. Allocated memory is still 202.9 MB. Free memory was 156.6 MB in the beginning and 154.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.18 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 151.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 791.86 ms. Allocated memory is still 202.9 MB. Free memory was 151.4 MB in the beginning and 105.3 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27723.65 ms. Allocated memory was 202.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 105.3 MB in the beginning and 627.1 MB in the end (delta: -521.8 MB). Peak memory consumption was 808.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.8s, 170 ProgramPointsBefore, 74 ProgramPointsAfterwards, 192 TransitionsBefore, 78 TransitionsAfterwards, 12650 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 23 ChoiceCompositions, 5751 VarBasedMoverChecksPositive, 155 VarBasedMoverChecksNegative, 25 SemBasedMoverChecksPositive, 169 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 0 MoverChecksTotal, 44168 CheckedPairsTotal, 123 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L843] FCALL, FORK 0 pthread_create(&t981, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] FCALL, FORK 0 pthread_create(&t982, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t983, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t984, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L798] 4 z$w_buff1 = z$w_buff0 [L799] 4 z$w_buff0 = 1 [L800] 4 z$w_buff1_used = z$w_buff0_used [L801] 4 z$w_buff0_used = (_Bool)1 [L820] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 3 y = 1 [L773] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L774] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L775] 3 z$flush_delayed = weak$$choice2 [L776] 3 z$mem_tmp = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) VAL [!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L778] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L780] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L781] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))=0, x=2, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L783] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L820] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L821] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L822] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=1, x=2, y=1, z=1, 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$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 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) [L856] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L857] 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 [L858] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 158 locations, 2 error locations. Result: UNSAFE, OverallTime: 27.3s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1949 SDtfs, 2797 SDslu, 3296 SDs, 0 SdLazy, 1115 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30378occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.9s AutomataMinimizationTime, 17 MinimizatonAttempts, 17319 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 38568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...