/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 14:06:17,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 14:06:17,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 14:06:17,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 14:06:17,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 14:06:17,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 14:06:17,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 14:06:17,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 14:06:17,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 14:06:17,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 14:06:17,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 14:06:17,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 14:06:17,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 14:06:17,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 14:06:17,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 14:06:17,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 14:06:17,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 14:06:17,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 14:06:17,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 14:06:17,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 14:06:17,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 14:06:17,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 14:06:17,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 14:06:17,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 14:06:17,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 14:06:17,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 14:06:17,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 14:06:17,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 14:06:17,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 14:06:17,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 14:06:17,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 14:06:17,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 14:06:17,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 14:06:17,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 14:06:17,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 14:06:17,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 14:06:17,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 14:06:17,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 14:06:17,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 14:06:17,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 14:06:17,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 14:06:17,945 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 14:06:17,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 14:06:17,945 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 14:06:17,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 14:06:17,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 14:06:17,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 14:06:17,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 14:06:17,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 14:06:17,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 14:06:17,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 14:06:17,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 14:06:17,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 14:06:17,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 14:06:17,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 14:06:17,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 14:06:17,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 14:06:17,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 14:06:17,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:06:17,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 14:06:17,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 14:06:17,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 14:06:17,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 14:06:17,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 14:06:17,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 14:06:17,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 14:06:17,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 14:06:18,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 14:06:18,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 14:06:18,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 14:06:18,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 14:06:18,269 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 14:06:18,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i [2019-12-18 14:06:18,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d4bb4e7/cc77999b0cf24efaa6468de16a209d5f/FLAG71b4de042 [2019-12-18 14:06:18,859 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 14:06:18,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i [2019-12-18 14:06:18,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d4bb4e7/cc77999b0cf24efaa6468de16a209d5f/FLAG71b4de042 [2019-12-18 14:06:19,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d4bb4e7/cc77999b0cf24efaa6468de16a209d5f [2019-12-18 14:06:19,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 14:06:19,210 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 14:06:19,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 14:06:19,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 14:06:19,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 14:06:19,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:19,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e76b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19, skipping insertion in model container [2019-12-18 14:06:19,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:19,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 14:06:19,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 14:06:19,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:06:19,829 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 14:06:19,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:06:19,970 INFO L208 MainTranslator]: Completed translation [2019-12-18 14:06:19,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19 WrapperNode [2019-12-18 14:06:19,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 14:06:19,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 14:06:19,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 14:06:19,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 14:06:19,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 14:06:20,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 14:06:20,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 14:06:20,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 14:06:20,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (1/1) ... [2019-12-18 14:06:20,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 14:06:20,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 14:06:20,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 14:06:20,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 14:06:20,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (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 14:06:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 14:06:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 14:06:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 14:06:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 14:06:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 14:06:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 14:06:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 14:06:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 14:06:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 14:06:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 14:06:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 14:06:20,210 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 14:06:21,190 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 14:06:21,190 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-18 14:06:21,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:06:21 BoogieIcfgContainer [2019-12-18 14:06:21,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 14:06:21,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 14:06:21,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 14:06:21,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 14:06:21,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:06:19" (1/3) ... [2019-12-18 14:06:21,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac52a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:06:21, skipping insertion in model container [2019-12-18 14:06:21,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:06:19" (2/3) ... [2019-12-18 14:06:21,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac52a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:06:21, skipping insertion in model container [2019-12-18 14:06:21,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:06:21" (3/3) ... [2019-12-18 14:06:21,201 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi001_pso.opt.i [2019-12-18 14:06:21,213 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 14:06:21,213 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 14:06:21,222 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 14:06:21,223 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 14:06:21,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,269 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,269 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,270 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,271 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,271 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,271 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,271 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,273 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,273 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,273 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,274 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,274 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,274 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,276 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,276 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,277 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,277 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,277 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,277 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,278 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,280 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,280 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,280 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,280 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,281 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,281 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,286 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,287 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,287 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,288 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,289 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,289 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,289 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,289 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,290 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,290 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,290 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,290 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,291 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,292 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,293 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,293 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,293 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,293 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,294 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,294 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,294 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,298 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,298 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,298 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,298 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,298 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,302 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,303 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,303 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,303 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,304 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,305 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,305 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,308 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,308 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,308 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,309 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,309 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,309 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,309 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,310 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,310 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,310 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,310 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,311 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:06:21,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 14:06:21,345 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 14:06:21,346 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 14:06:21,346 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 14:06:21,346 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 14:06:21,346 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 14:06:21,346 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 14:06:21,346 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 14:06:21,346 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 14:06:21,383 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 182 transitions [2019-12-18 14:06:21,384 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 148 places, 182 transitions [2019-12-18 14:06:21,477 INFO L126 PetriNetUnfolder]: 41/180 cut-off events. [2019-12-18 14:06:21,477 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:06:21,490 INFO L76 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 180 events. 41/180 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 256 event pairs. 6/143 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 14:06:21,509 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 148 places, 182 transitions [2019-12-18 14:06:21,564 INFO L126 PetriNetUnfolder]: 41/180 cut-off events. [2019-12-18 14:06:21,564 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:06:21,573 INFO L76 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 180 events. 41/180 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 256 event pairs. 6/143 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 14:06:21,591 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10378 [2019-12-18 14:06:21,593 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 14:06:26,108 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-12-18 14:06:26,244 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-12-18 14:06:26,278 INFO L206 etLargeBlockEncoding]: Checked pairs total: 46553 [2019-12-18 14:06:26,279 INFO L214 etLargeBlockEncoding]: Total number of compositions: 101 [2019-12-18 14:06:26,283 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 90 transitions [2019-12-18 14:06:26,778 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8413 states. [2019-12-18 14:06:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 8413 states. [2019-12-18 14:06:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-18 14:06:26,789 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:26,790 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-18 14:06:26,791 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:26,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:26,799 INFO L82 PathProgramCache]: Analyzing trace with hash 698534967, now seen corresponding path program 1 times [2019-12-18 14:06:26,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:26,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109667662] [2019-12-18 14:06:26,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:27,037 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 14:06:27,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109667662] [2019-12-18 14:06:27,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:27,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:06:27,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25650233] [2019-12-18 14:06:27,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:06:27,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:06:27,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:06:27,065 INFO L87 Difference]: Start difference. First operand 8413 states. Second operand 3 states. [2019-12-18 14:06:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:27,337 INFO L93 Difference]: Finished difference Result 8365 states and 27377 transitions. [2019-12-18 14:06:27,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:06:27,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-18 14:06:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:27,437 INFO L225 Difference]: With dead ends: 8365 [2019-12-18 14:06:27,438 INFO L226 Difference]: Without dead ends: 8196 [2019-12-18 14:06:27,439 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 14:06:27,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8196 states. [2019-12-18 14:06:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8196 to 8196. [2019-12-18 14:06:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8196 states. [2019-12-18 14:06:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 26857 transitions. [2019-12-18 14:06:27,965 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 26857 transitions. Word has length 5 [2019-12-18 14:06:27,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:27,967 INFO L462 AbstractCegarLoop]: Abstraction has 8196 states and 26857 transitions. [2019-12-18 14:06:27,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:06:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 26857 transitions. [2019-12-18 14:06:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 14:06:27,972 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:27,972 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:06:27,973 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:27,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:27,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1108629868, now seen corresponding path program 1 times [2019-12-18 14:06:27,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:27,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680809708] [2019-12-18 14:06:27,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:28,101 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 14:06:28,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680809708] [2019-12-18 14:06:28,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:28,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:06:28,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035693426] [2019-12-18 14:06:28,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:06:28,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:28,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:06:28,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:06:28,105 INFO L87 Difference]: Start difference. First operand 8196 states and 26857 transitions. Second operand 4 states. [2019-12-18 14:06:28,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:28,513 INFO L93 Difference]: Finished difference Result 13084 states and 41046 transitions. [2019-12-18 14:06:28,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:06:28,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 14:06:28,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:28,598 INFO L225 Difference]: With dead ends: 13084 [2019-12-18 14:06:28,598 INFO L226 Difference]: Without dead ends: 13077 [2019-12-18 14:06:28,599 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 14:06:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13077 states. [2019-12-18 14:06:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13077 to 11568. [2019-12-18 14:06:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11568 states. [2019-12-18 14:06:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11568 states to 11568 states and 36838 transitions. [2019-12-18 14:06:29,583 INFO L78 Accepts]: Start accepts. Automaton has 11568 states and 36838 transitions. Word has length 11 [2019-12-18 14:06:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:29,583 INFO L462 AbstractCegarLoop]: Abstraction has 11568 states and 36838 transitions. [2019-12-18 14:06:29,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:06:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 11568 states and 36838 transitions. [2019-12-18 14:06:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 14:06:29,592 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:29,592 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:06:29,593 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:29,593 INFO L82 PathProgramCache]: Analyzing trace with hash 531606898, now seen corresponding path program 1 times [2019-12-18 14:06:29,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:29,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92960812] [2019-12-18 14:06:29,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:29,717 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 14:06:29,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92960812] [2019-12-18 14:06:29,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:29,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:06:29,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645989124] [2019-12-18 14:06:29,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:06:29,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:29,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:06:29,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:06:29,720 INFO L87 Difference]: Start difference. First operand 11568 states and 36838 transitions. Second operand 4 states. [2019-12-18 14:06:29,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:29,759 INFO L93 Difference]: Finished difference Result 1922 states and 4461 transitions. [2019-12-18 14:06:29,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:06:29,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 14:06:29,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:29,764 INFO L225 Difference]: With dead ends: 1922 [2019-12-18 14:06:29,764 INFO L226 Difference]: Without dead ends: 1636 [2019-12-18 14:06:29,765 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 14:06:29,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2019-12-18 14:06:29,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2019-12-18 14:06:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2019-12-18 14:06:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 3670 transitions. [2019-12-18 14:06:29,800 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 3670 transitions. Word has length 11 [2019-12-18 14:06:29,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:29,800 INFO L462 AbstractCegarLoop]: Abstraction has 1636 states and 3670 transitions. [2019-12-18 14:06:29,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:06:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 3670 transitions. [2019-12-18 14:06:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-18 14:06:29,802 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:29,802 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 14:06:29,802 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:29,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:29,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1653802499, now seen corresponding path program 1 times [2019-12-18 14:06:29,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:29,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849689579] [2019-12-18 14:06:29,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:29,906 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 14:06:29,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849689579] [2019-12-18 14:06:29,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:29,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:06:29,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546680242] [2019-12-18 14:06:29,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 14:06:29,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:29,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 14:06:29,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:06:29,910 INFO L87 Difference]: Start difference. First operand 1636 states and 3670 transitions. Second operand 5 states. [2019-12-18 14:06:30,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:30,218 INFO L93 Difference]: Finished difference Result 2106 states and 4631 transitions. [2019-12-18 14:06:30,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 14:06:30,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-18 14:06:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:30,223 INFO L225 Difference]: With dead ends: 2106 [2019-12-18 14:06:30,224 INFO L226 Difference]: Without dead ends: 2106 [2019-12-18 14:06:30,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 14:06:30,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2019-12-18 14:06:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1870. [2019-12-18 14:06:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2019-12-18 14:06:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 4159 transitions. [2019-12-18 14:06:30,263 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 4159 transitions. Word has length 23 [2019-12-18 14:06:30,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:30,264 INFO L462 AbstractCegarLoop]: Abstraction has 1870 states and 4159 transitions. [2019-12-18 14:06:30,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 14:06:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 4159 transitions. [2019-12-18 14:06:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-18 14:06:30,268 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:30,268 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] [2019-12-18 14:06:30,269 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:30,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:30,269 INFO L82 PathProgramCache]: Analyzing trace with hash -835970492, now seen corresponding path program 1 times [2019-12-18 14:06:30,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:30,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971579807] [2019-12-18 14:06:30,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:30,350 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 14:06:30,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971579807] [2019-12-18 14:06:30,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:30,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:06:30,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988175146] [2019-12-18 14:06:30,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:06:30,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:30,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:06:30,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:06:30,354 INFO L87 Difference]: Start difference. First operand 1870 states and 4159 transitions. Second operand 3 states. [2019-12-18 14:06:30,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:30,405 INFO L93 Difference]: Finished difference Result 2204 states and 4939 transitions. [2019-12-18 14:06:30,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:06:30,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-12-18 14:06:30,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:30,411 INFO L225 Difference]: With dead ends: 2204 [2019-12-18 14:06:30,412 INFO L226 Difference]: Without dead ends: 2204 [2019-12-18 14:06:30,412 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 14:06:30,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2019-12-18 14:06:30,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2094. [2019-12-18 14:06:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2094 states. [2019-12-18 14:06:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 2094 states and 4716 transitions. [2019-12-18 14:06:30,453 INFO L78 Accepts]: Start accepts. Automaton has 2094 states and 4716 transitions. Word has length 37 [2019-12-18 14:06:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:30,453 INFO L462 AbstractCegarLoop]: Abstraction has 2094 states and 4716 transitions. [2019-12-18 14:06:30,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:06:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 4716 transitions. [2019-12-18 14:06:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-18 14:06:30,457 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:30,457 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] [2019-12-18 14:06:30,458 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:30,458 INFO L82 PathProgramCache]: Analyzing trace with hash -673430796, now seen corresponding path program 1 times [2019-12-18 14:06:30,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:30,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779296220] [2019-12-18 14:06:30,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:30,592 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 14:06:30,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779296220] [2019-12-18 14:06:30,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:30,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 14:06:30,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589669674] [2019-12-18 14:06:30,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 14:06:30,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:30,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 14:06:30,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:06:30,594 INFO L87 Difference]: Start difference. First operand 2094 states and 4716 transitions. Second operand 5 states. [2019-12-18 14:06:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:30,636 INFO L93 Difference]: Finished difference Result 429 states and 783 transitions. [2019-12-18 14:06:30,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:06:30,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-18 14:06:30,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:30,638 INFO L225 Difference]: With dead ends: 429 [2019-12-18 14:06:30,638 INFO L226 Difference]: Without dead ends: 383 [2019-12-18 14:06:30,638 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 14:06:30,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-12-18 14:06:30,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 348. [2019-12-18 14:06:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-18 14:06:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 628 transitions. [2019-12-18 14:06:30,645 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 628 transitions. Word has length 37 [2019-12-18 14:06:30,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:30,646 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 628 transitions. [2019-12-18 14:06:30,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 14:06:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 628 transitions. [2019-12-18 14:06:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 14:06:30,648 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:30,648 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, 1, 1, 1, 1] [2019-12-18 14:06:30,648 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:30,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:30,648 INFO L82 PathProgramCache]: Analyzing trace with hash 939573543, now seen corresponding path program 1 times [2019-12-18 14:06:30,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:30,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890061773] [2019-12-18 14:06:30,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:30,811 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 14:06:30,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890061773] [2019-12-18 14:06:30,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:30,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:06:30,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770473657] [2019-12-18 14:06:30,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:06:30,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:30,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:06:30,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:06:30,820 INFO L87 Difference]: Start difference. First operand 348 states and 628 transitions. Second operand 3 states. [2019-12-18 14:06:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:30,857 INFO L93 Difference]: Finished difference Result 352 states and 622 transitions. [2019-12-18 14:06:30,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:06:30,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-18 14:06:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:30,859 INFO L225 Difference]: With dead ends: 352 [2019-12-18 14:06:30,859 INFO L226 Difference]: Without dead ends: 352 [2019-12-18 14:06:30,859 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 14:06:30,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2019-12-18 14:06:30,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 344. [2019-12-18 14:06:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-18 14:06:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 614 transitions. [2019-12-18 14:06:30,865 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 614 transitions. Word has length 52 [2019-12-18 14:06:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:30,866 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 614 transitions. [2019-12-18 14:06:30,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:06:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 614 transitions. [2019-12-18 14:06:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 14:06:30,867 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:30,867 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, 1, 1, 1, 1] [2019-12-18 14:06:30,867 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:30,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:30,868 INFO L82 PathProgramCache]: Analyzing trace with hash 933754688, now seen corresponding path program 1 times [2019-12-18 14:06:30,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:30,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341307134] [2019-12-18 14:06:30,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:30,924 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 14:06:30,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341307134] [2019-12-18 14:06:30,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:30,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:06:30,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315987032] [2019-12-18 14:06:30,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:06:30,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:30,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:06:30,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:06:30,927 INFO L87 Difference]: Start difference. First operand 344 states and 614 transitions. Second operand 3 states. [2019-12-18 14:06:30,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:30,939 INFO L93 Difference]: Finished difference Result 344 states and 601 transitions. [2019-12-18 14:06:30,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:06:30,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-18 14:06:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:30,940 INFO L225 Difference]: With dead ends: 344 [2019-12-18 14:06:30,940 INFO L226 Difference]: Without dead ends: 344 [2019-12-18 14:06:30,941 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 14:06:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-12-18 14:06:30,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2019-12-18 14:06:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-18 14:06:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 601 transitions. [2019-12-18 14:06:30,946 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 601 transitions. Word has length 52 [2019-12-18 14:06:30,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:30,947 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 601 transitions. [2019-12-18 14:06:30,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:06:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 601 transitions. [2019-12-18 14:06:30,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 14:06:30,948 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:30,948 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, 1, 1, 1, 1, 1] [2019-12-18 14:06:30,949 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:30,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1595558797, now seen corresponding path program 1 times [2019-12-18 14:06:30,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:30,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493930395] [2019-12-18 14:06:30,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:31,030 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 14:06:31,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493930395] [2019-12-18 14:06:31,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:31,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:06:31,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027012598] [2019-12-18 14:06:31,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:06:31,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:31,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:06:31,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:06:31,032 INFO L87 Difference]: Start difference. First operand 344 states and 601 transitions. Second operand 3 states. [2019-12-18 14:06:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:31,072 INFO L93 Difference]: Finished difference Result 343 states and 599 transitions. [2019-12-18 14:06:31,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:06:31,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-12-18 14:06:31,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:31,073 INFO L225 Difference]: With dead ends: 343 [2019-12-18 14:06:31,074 INFO L226 Difference]: Without dead ends: 343 [2019-12-18 14:06:31,074 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 14:06:31,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-12-18 14:06:31,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-12-18 14:06:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-12-18 14:06:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 599 transitions. [2019-12-18 14:06:31,080 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 599 transitions. Word has length 53 [2019-12-18 14:06:31,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:31,080 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 599 transitions. [2019-12-18 14:06:31,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:06:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 599 transitions. [2019-12-18 14:06:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:06:31,082 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:31,082 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, 1, 1, 1, 1, 1, 1] [2019-12-18 14:06:31,082 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:31,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:31,083 INFO L82 PathProgramCache]: Analyzing trace with hash -798816837, now seen corresponding path program 1 times [2019-12-18 14:06:31,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:31,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009488242] [2019-12-18 14:06:31,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:31,454 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 14:06:31,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009488242] [2019-12-18 14:06:31,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:31,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-18 14:06:31,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814593131] [2019-12-18 14:06:31,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-18 14:06:31,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:31,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-18 14:06:31,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-12-18 14:06:31,459 INFO L87 Difference]: Start difference. First operand 343 states and 599 transitions. Second operand 13 states. [2019-12-18 14:06:31,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:31,976 INFO L93 Difference]: Finished difference Result 699 states and 1247 transitions. [2019-12-18 14:06:31,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-18 14:06:31,976 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2019-12-18 14:06:31,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:31,979 INFO L225 Difference]: With dead ends: 699 [2019-12-18 14:06:31,979 INFO L226 Difference]: Without dead ends: 300 [2019-12-18 14:06:31,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2019-12-18 14:06:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-12-18 14:06:31,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 267. [2019-12-18 14:06:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-12-18 14:06:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 462 transitions. [2019-12-18 14:06:31,985 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 462 transitions. Word has length 54 [2019-12-18 14:06:31,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:31,985 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 462 transitions. [2019-12-18 14:06:31,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-18 14:06:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 462 transitions. [2019-12-18 14:06:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:06:31,987 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:31,987 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, 1, 1, 1, 1, 1, 1] [2019-12-18 14:06:31,987 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:31,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1642640547, now seen corresponding path program 2 times [2019-12-18 14:06:31,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:31,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155728312] [2019-12-18 14:06:31,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:06:32,382 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 14:06:32,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155728312] [2019-12-18 14:06:32,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:06:32,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-18 14:06:32,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133567797] [2019-12-18 14:06:32,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-18 14:06:32,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:06:32,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-18 14:06:32,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-18 14:06:32,384 INFO L87 Difference]: Start difference. First operand 267 states and 462 transitions. Second operand 12 states. [2019-12-18 14:06:32,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:06:32,999 INFO L93 Difference]: Finished difference Result 424 states and 704 transitions. [2019-12-18 14:06:33,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-18 14:06:33,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2019-12-18 14:06:33,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:06:33,001 INFO L225 Difference]: With dead ends: 424 [2019-12-18 14:06:33,001 INFO L226 Difference]: Without dead ends: 232 [2019-12-18 14:06:33,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2019-12-18 14:06:33,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-12-18 14:06:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 208. [2019-12-18 14:06:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-12-18 14:06:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 360 transitions. [2019-12-18 14:06:33,007 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 360 transitions. Word has length 54 [2019-12-18 14:06:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:06:33,007 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 360 transitions. [2019-12-18 14:06:33,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-18 14:06:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 360 transitions. [2019-12-18 14:06:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:06:33,008 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:06:33,008 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, 1, 1, 1, 1, 1, 1] [2019-12-18 14:06:33,009 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:06:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:06:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1731930561, now seen corresponding path program 3 times [2019-12-18 14:06:33,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:06:33,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001735949] [2019-12-18 14:06:33,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:06:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 14:06:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 14:06:33,137 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 14:06:33,137 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 14:06:33,141 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [706] [706] ULTIMATE.startENTRY-->L789: Formula: (let ((.cse0 (store |v_#valid_42| 0 0))) (and (= 0 v_~y$read_delayed_var~0.base_6) (= v_~z~0_122 0) (= v_~y$mem_tmp~0_21 0) (= v_~y$r_buff1_thd1~0_178 0) (= 0 v_~__unbuffered_p1_EBX~0_131) (= v_~weak$$choice2~0_120 0) (= v_~__unbuffered_p1_EAX~0_131 0) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1607~0.base_19| 4) |v_#length_15|) (= v_~y$r_buff0_thd0~0_347 0) (= 0 v_~y$r_buff1_thd2~0_171) (= v_~x~0_94 0) (= 0 v_~weak$$choice0~0_15) (= (store .cse0 |v_ULTIMATE.start_main_~#t1607~0.base_19| 1) |v_#valid_40|) (= v_~y$read_delayed~0_6 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t1607~0.base_19|) (= 0 v_~y$r_buff0_thd2~0_225) (= v_~main$tmp_guard0~0_28 0) (= 0 v_~__unbuffered_cnt~0_63) (= v_~y$r_buff0_thd1~0_109 0) (= v_~y$w_buff0_used~0_663 0) (= v_~y$w_buff1~0_180 0) (= 0 v_~y$flush_delayed~0_36) (= |v_#NULL.offset_5| 0) (= |v_ULTIMATE.start_main_~#t1607~0.offset_14| 0) (= v_~y~0_158 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t1607~0.base_19|) 0) (= 0 v_~y$read_delayed_var~0.offset_6) (= v_~y$r_buff1_thd0~0_274 0) (= 0 v_~y$w_buff0~0_245) (= v_~main$tmp_guard1~0_25 0) (= v_~y$w_buff1_used~0_350 0) (= 0 |v_#NULL.base_5|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1607~0.base_19| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1607~0.base_19|) |v_ULTIMATE.start_main_~#t1607~0.offset_14| 0)) |v_#memory_int_15|) (< 0 |v_#StackHeapBarrier_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_42|, #memory_int=|v_#memory_int_16|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_44|, ULTIMATE.start_main_~#t1608~0.offset=|v_ULTIMATE.start_main_~#t1608~0.offset_13|, ULTIMATE.start_main_~#t1608~0.base=|v_ULTIMATE.start_main_~#t1608~0.base_16|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_25|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_33|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_47|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_37|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_30|, ~y$read_delayed~0=v_~y$read_delayed~0_6, ~y$mem_tmp~0=v_~y$mem_tmp~0_21, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_131, ~y$r_buff0_thd1~0=v_~y$r_buff0_thd1~0_109, ~y$flush_delayed~0=v_~y$flush_delayed~0_36, #length=|v_#length_15|, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_30|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_27|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_23|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_23|, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_28|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_46|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_26|, ~weak$$choice0~0=v_~weak$$choice0~0_15, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_27|, ULTIMATE.start_main_~#t1607~0.offset=|v_ULTIMATE.start_main_~#t1607~0.offset_14|, ~y$w_buff1~0=v_~y$w_buff1~0_180, ~y$read_delayed_var~0.base=v_~y$read_delayed_var~0.base_6, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_225, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_63, ~y$r_buff1_thd0~0=v_~y$r_buff1_thd0~0_274, ~x~0=v_~x~0_94, ~y$read_delayed_var~0.offset=v_~y$read_delayed_var~0.offset_6, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_663, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_25|, ULTIMATE.start_main_#t~ite25=|v_ULTIMATE.start_main_#t~ite25_25|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_44|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_25|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_45|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_35|, ~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_178, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_42|, ~y$w_buff0~0=v_~y$w_buff0~0_245, ~y~0=v_~y~0_158, ULTIMATE.start_main_~#t1607~0.base=|v_ULTIMATE.start_main_~#t1607~0.base_19|, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_131, ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_31|, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_23|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_23|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_33|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_30|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_28, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_29|, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_34|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_171, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_347, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_16|, ~z~0=v_~z~0_122, ~weak$$choice2~0=v_~weak$$choice2~0_120, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_350} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ULTIMATE.start_main_~#t1608~0.offset, ULTIMATE.start_main_~#t1608~0.base, #NULL.offset, ULTIMATE.start_main_#t~ite26, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~y$read_delayed~0, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$r_buff0_thd1~0, ~y$flush_delayed~0, #length, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_~#t1607~0.offset, ~y$w_buff1~0, ~y$read_delayed_var~0.base, ~y$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet15, ~__unbuffered_cnt~0, ~y$r_buff1_thd0~0, ~x~0, ~y$read_delayed_var~0.offset, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_#t~ite25, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ~y$r_buff1_thd1~0, ULTIMATE.start_main_#t~ite30, ~y$w_buff0~0, ~y~0, ULTIMATE.start_main_~#t1607~0.base, ~__unbuffered_p1_EBX~0, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ~y$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#res, ~y$r_buff0_thd0~0, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~z~0, ~weak$$choice2~0, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-18 14:06:33,143 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [689] [689] L789-1-->L791: Formula: (and (= |v_ULTIMATE.start_main_~#t1608~0.offset_10| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1608~0.base_11|)) (= (store |v_#valid_24| |v_ULTIMATE.start_main_~#t1608~0.base_11| 1) |v_#valid_23|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1608~0.base_11| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1608~0.base_11|) |v_ULTIMATE.start_main_~#t1608~0.offset_10| 1)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1608~0.base_11|) (= |v_#length_11| (store |v_#length_12| |v_ULTIMATE.start_main_~#t1608~0.base_11| 4)) (= 0 (select |v_#valid_24| |v_ULTIMATE.start_main_~#t1608~0.base_11|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_24|, #memory_int=|v_#memory_int_12|, #length=|v_#length_12|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1608~0.offset=|v_ULTIMATE.start_main_~#t1608~0.offset_10|, ULTIMATE.start_main_~#t1608~0.base=|v_ULTIMATE.start_main_~#t1608~0.base_11|, #valid=|v_#valid_23|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|, #length=|v_#length_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1608~0.offset, ULTIMATE.start_main_~#t1608~0.base, #valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length] because there is no mapped edge [2019-12-18 14:06:33,144 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [589] [589] P1ENTRY-->L4-3: Formula: (and (= 0 (mod v_~y$w_buff1_used~0_47 256)) (= |v_P1Thread1of1ForFork1_#in~arg.offset_7| v_P1Thread1of1ForFork1_~arg.offset_7) (= v_P1Thread1of1ForFork1_~arg.base_7 |v_P1Thread1of1ForFork1_#in~arg.base_7|) (= v_P1Thread1of1ForFork1___VERIFIER_assert_~expression_9 |v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_7|) (= |v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_7| 1) (= 1 v_~y$w_buff0_used~0_86) (= 2 v_~y$w_buff0~0_19) (= v_~y$w_buff0~0_20 v_~y$w_buff1~0_21) (= v_~y$w_buff1_used~0_47 v_~y$w_buff0_used~0_87)) InVars {~y$w_buff0_used~0=v_~y$w_buff0_used~0_87, ~y$w_buff0~0=v_~y$w_buff0~0_20, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_7|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_7|} OutVars{P1Thread1of1ForFork1___VERIFIER_assert_~expression=v_P1Thread1of1ForFork1___VERIFIER_assert_~expression_9, P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_7, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_86, ~y$w_buff1~0=v_~y$w_buff1~0_21, P1Thread1of1ForFork1___VERIFIER_assert_#in~expression=|v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_7|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_7, ~y$w_buff0~0=v_~y$w_buff0~0_19, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_7|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_7|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_47} AuxVars[] AssignedVars[P1Thread1of1ForFork1___VERIFIER_assert_~expression, P1Thread1of1ForFork1_~arg.offset, ~y$w_buff0_used~0, ~y$w_buff1~0, P1Thread1of1ForFork1___VERIFIER_assert_#in~expression, P1Thread1of1ForFork1_~arg.base, ~y$w_buff0~0, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-18 14:06:33,146 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [660] [660] L732-2-->L732-5: Formula: (let ((.cse1 (= (mod ~y$r_buff1_thd1~0_In1609491424 256) 0)) (.cse0 (= 0 (mod ~y$w_buff1_used~0_In1609491424 256))) (.cse2 (= |P0Thread1of1ForFork0_#t~ite3_Out1609491424| |P0Thread1of1ForFork0_#t~ite4_Out1609491424|))) (or (and (= |P0Thread1of1ForFork0_#t~ite3_Out1609491424| ~y~0_In1609491424) (or .cse0 .cse1) .cse2) (and (not .cse1) (not .cse0) (= |P0Thread1of1ForFork0_#t~ite3_Out1609491424| ~y$w_buff1~0_In1609491424) .cse2))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In1609491424, ~y$w_buff1~0=~y$w_buff1~0_In1609491424, ~y~0=~y~0_In1609491424, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1609491424} OutVars{~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In1609491424, P0Thread1of1ForFork0_#t~ite3=|P0Thread1of1ForFork0_#t~ite3_Out1609491424|, P0Thread1of1ForFork0_#t~ite4=|P0Thread1of1ForFork0_#t~ite4_Out1609491424|, ~y$w_buff1~0=~y$w_buff1~0_In1609491424, ~y~0=~y~0_In1609491424, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1609491424} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite3, P0Thread1of1ForFork0_#t~ite4] because there is no mapped edge [2019-12-18 14:06:33,148 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [655] [655] L733-->L733-2: Formula: (let ((.cse0 (= 0 (mod ~y$r_buff0_thd1~0_In-1092191476 256))) (.cse1 (= (mod ~y$w_buff0_used~0_In-1092191476 256) 0))) (or (and (not .cse0) (not .cse1) (= |P0Thread1of1ForFork0_#t~ite5_Out-1092191476| 0)) (and (= |P0Thread1of1ForFork0_#t~ite5_Out-1092191476| ~y$w_buff0_used~0_In-1092191476) (or .cse0 .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1092191476, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1092191476} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out-1092191476|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1092191476, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1092191476} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-18 14:06:33,149 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [653] [653] L734-->L734-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In349368949 256))) (.cse0 (= (mod ~y$r_buff0_thd1~0_In349368949 256) 0)) (.cse3 (= (mod ~y$w_buff1_used~0_In349368949 256) 0)) (.cse2 (= (mod ~y$r_buff1_thd1~0_In349368949 256) 0))) (or (and (= ~y$w_buff1_used~0_In349368949 |P0Thread1of1ForFork0_#t~ite6_Out349368949|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P0Thread1of1ForFork0_#t~ite6_Out349368949|) (or (and (not .cse1) (not .cse0)) (and (not .cse3) (not .cse2)))))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In349368949, ~y$w_buff0_used~0=~y$w_buff0_used~0_In349368949, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In349368949, ~y$w_buff1_used~0=~y$w_buff1_used~0_In349368949} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out349368949|, ~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In349368949, ~y$w_buff0_used~0=~y$w_buff0_used~0_In349368949, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In349368949, ~y$w_buff1_used~0=~y$w_buff1_used~0_In349368949} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-18 14:06:33,149 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [656] [656] L735-->L735-2: Formula: (let ((.cse1 (= (mod ~y$w_buff0_used~0_In-1303645133 256) 0)) (.cse0 (= 0 (mod ~y$r_buff0_thd1~0_In-1303645133 256)))) (or (and (= ~y$r_buff0_thd1~0_In-1303645133 |P0Thread1of1ForFork0_#t~ite7_Out-1303645133|) (or .cse0 .cse1)) (and (not .cse1) (not .cse0) (= |P0Thread1of1ForFork0_#t~ite7_Out-1303645133| 0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1303645133, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1303645133} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1303645133, P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out-1303645133|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1303645133} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7] because there is no mapped edge [2019-12-18 14:06:33,150 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [652] [652] L736-->L736-2: Formula: (let ((.cse2 (= 0 (mod ~y$w_buff0_used~0_In-777447275 256))) (.cse3 (= (mod ~y$r_buff0_thd1~0_In-777447275 256) 0)) (.cse1 (= (mod ~y$r_buff1_thd1~0_In-777447275 256) 0)) (.cse0 (= 0 (mod ~y$w_buff1_used~0_In-777447275 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P0Thread1of1ForFork0_#t~ite8_Out-777447275| 0)) (and (= |P0Thread1of1ForFork0_#t~ite8_Out-777447275| ~y$r_buff1_thd1~0_In-777447275) (or .cse2 .cse3) (or .cse1 .cse0)))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-777447275, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-777447275, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-777447275, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-777447275} OutVars{~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-777447275, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-777447275, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-777447275|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-777447275, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-777447275} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-18 14:06:33,150 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [686] [686] L736-2-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= |v_P0Thread1of1ForFork0_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_31 (+ v_~__unbuffered_cnt~0_32 1)) (= v_~y$r_buff1_thd1~0_125 |v_P0Thread1of1ForFork0_#t~ite8_32|)) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_32|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_32} OutVars{~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_125, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_31|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_31} AuxVars[] AssignedVars[~y$r_buff1_thd1~0, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-18 14:06:33,151 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [648] [648] L767-->L767-2: Formula: (let ((.cse0 (= 0 (mod ~y$r_buff0_thd2~0_In917670948 256))) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In917670948 256)))) (or (and (= ~y$w_buff0_used~0_In917670948 |P1Thread1of1ForFork1_#t~ite11_Out917670948|) (or .cse0 .cse1)) (and (not .cse0) (= 0 |P1Thread1of1ForFork1_#t~ite11_Out917670948|) (not .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In917670948, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In917670948} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In917670948, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In917670948, P1Thread1of1ForFork1_#t~ite11=|P1Thread1of1ForFork1_#t~ite11_Out917670948|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite11] because there is no mapped edge [2019-12-18 14:06:33,152 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [651] [651] L768-->L768-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd2~0_In974418487 256) 0)) (.cse1 (= (mod ~y$w_buff0_used~0_In974418487 256) 0)) (.cse2 (= 0 (mod ~y$w_buff1_used~0_In974418487 256))) (.cse3 (= 0 (mod ~y$r_buff1_thd2~0_In974418487 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P1Thread1of1ForFork1_#t~ite12_Out974418487| 0)) (and (= ~y$w_buff1_used~0_In974418487 |P1Thread1of1ForFork1_#t~ite12_Out974418487|) (or .cse0 .cse1) (or .cse2 .cse3)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In974418487, ~y$w_buff0_used~0=~y$w_buff0_used~0_In974418487, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In974418487, ~y$w_buff1_used~0=~y$w_buff1_used~0_In974418487} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In974418487, ~y$w_buff0_used~0=~y$w_buff0_used~0_In974418487, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In974418487, P1Thread1of1ForFork1_#t~ite12=|P1Thread1of1ForFork1_#t~ite12_Out974418487|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In974418487} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-18 14:06:33,152 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [661] [661] L769-->L770: Formula: (let ((.cse0 (= 0 (mod ~y$r_buff0_thd2~0_In1029525583 256))) (.cse1 (= (mod ~y$w_buff0_used~0_In1029525583 256) 0))) (or (and (= ~y$r_buff0_thd2~0_In1029525583 ~y$r_buff0_thd2~0_Out1029525583) (or .cse0 .cse1)) (and (not .cse0) (not .cse1) (= 0 ~y$r_buff0_thd2~0_Out1029525583)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1029525583, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1029525583} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1029525583, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_Out1029525583, P1Thread1of1ForFork1_#t~ite13=|P1Thread1of1ForFork1_#t~ite13_Out1029525583|} AuxVars[] AssignedVars[~y$r_buff0_thd2~0, P1Thread1of1ForFork1_#t~ite13] because there is no mapped edge [2019-12-18 14:06:33,153 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [667] [667] L770-->L770-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff1_thd2~0_In1877426291 256))) (.cse0 (= (mod ~y$w_buff1_used~0_In1877426291 256) 0)) (.cse2 (= 0 (mod ~y$r_buff0_thd2~0_In1877426291 256))) (.cse3 (= 0 (mod ~y$w_buff0_used~0_In1877426291 256)))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= |P1Thread1of1ForFork1_#t~ite14_Out1877426291| ~y$r_buff1_thd2~0_In1877426291)) (and (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3))) (= 0 |P1Thread1of1ForFork1_#t~ite14_Out1877426291|)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In1877426291, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1877426291, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1877426291, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1877426291} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In1877426291, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1877426291, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1877426291, P1Thread1of1ForFork1_#t~ite14=|P1Thread1of1ForFork1_#t~ite14_Out1877426291|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1877426291} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite14] because there is no mapped edge [2019-12-18 14:06:33,153 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [690] [690] L770-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_48 1) v_~__unbuffered_cnt~0_47) (= |v_P1Thread1of1ForFork1_#res.offset_5| 0) (= v_~y$r_buff1_thd2~0_144 |v_P1Thread1of1ForFork1_#t~ite14_32|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_48, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_32|} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_144, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_47, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_31|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#t~ite14, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-18 14:06:33,153 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [636] [636] L795-->L797-2: Formula: (and (not (= 0 (mod v_~main$tmp_guard0~0_5 256))) (or (= 0 (mod v_~y$r_buff0_thd0~0_132 256)) (= 0 (mod v_~y$w_buff0_used~0_236 256)))) InVars {~y$w_buff0_used~0=v_~y$w_buff0_used~0_236, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_132, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_5} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_236, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_132, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_5} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-18 14:06:33,154 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L797-2-->L797-4: Formula: (let ((.cse0 (= 0 (mod ~y$w_buff1_used~0_In1809127805 256))) (.cse1 (= 0 (mod ~y$r_buff1_thd0~0_In1809127805 256)))) (or (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite17_Out1809127805| ~y~0_In1809127805)) (and (not .cse0) (= |ULTIMATE.start_main_#t~ite17_Out1809127805| ~y$w_buff1~0_In1809127805) (not .cse1)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In1809127805, ~y~0=~y~0_In1809127805, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1809127805, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1809127805} OutVars{ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out1809127805|, ~y$w_buff1~0=~y$w_buff1~0_In1809127805, ~y~0=~y~0_In1809127805, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1809127805, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1809127805} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17] because there is no mapped edge [2019-12-18 14:06:33,154 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [619] [619] L797-4-->L798: Formula: (= v_~y~0_44 |v_ULTIMATE.start_main_#t~ite17_8|) InVars {ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_8|} OutVars{ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_7|, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_7|, ~y~0=v_~y~0_44} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18, ~y~0] because there is no mapped edge [2019-12-18 14:06:33,154 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [666] [666] L798-->L798-2: Formula: (let ((.cse0 (= 0 (mod ~y$w_buff0_used~0_In-800277553 256))) (.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In-800277553 256)))) (or (and (= ~y$w_buff0_used~0_In-800277553 |ULTIMATE.start_main_#t~ite19_Out-800277553|) (or .cse0 .cse1)) (and (not .cse0) (not .cse1) (= |ULTIMATE.start_main_#t~ite19_Out-800277553| 0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-800277553, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-800277553} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-800277553, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out-800277553|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-800277553} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-18 14:06:33,155 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [650] [650] L799-->L799-2: Formula: (let ((.cse1 (= (mod ~y$w_buff1_used~0_In-454865083 256) 0)) (.cse0 (= 0 (mod ~y$r_buff1_thd0~0_In-454865083 256))) (.cse2 (= 0 (mod ~y$w_buff0_used~0_In-454865083 256))) (.cse3 (= 0 (mod ~y$r_buff0_thd0~0_In-454865083 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite20_Out-454865083|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (= ~y$w_buff1_used~0_In-454865083 |ULTIMATE.start_main_#t~ite20_Out-454865083|) (or .cse2 .cse3)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-454865083, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-454865083, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-454865083, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-454865083} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-454865083, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-454865083, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out-454865083|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-454865083, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-454865083} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-18 14:06:33,155 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [659] [659] L800-->L800-2: Formula: (let ((.cse1 (= (mod ~y$r_buff0_thd0~0_In-417974687 256) 0)) (.cse0 (= (mod ~y$w_buff0_used~0_In-417974687 256) 0))) (or (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite21_Out-417974687| ~y$r_buff0_thd0~0_In-417974687)) (and (= |ULTIMATE.start_main_#t~ite21_Out-417974687| 0) (not .cse1) (not .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-417974687, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-417974687} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-417974687, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-417974687, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out-417974687|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-18 14:06:33,156 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [647] [647] L801-->L801-2: Formula: (let ((.cse1 (= (mod ~y$w_buff0_used~0_In-1197211209 256) 0)) (.cse0 (= 0 (mod ~y$r_buff0_thd0~0_In-1197211209 256))) (.cse3 (= (mod ~y$r_buff1_thd0~0_In-1197211209 256) 0)) (.cse2 (= (mod ~y$w_buff1_used~0_In-1197211209 256) 0))) (or (and (= |ULTIMATE.start_main_#t~ite22_Out-1197211209| 0) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (= |ULTIMATE.start_main_#t~ite22_Out-1197211209| ~y$r_buff1_thd0~0_In-1197211209) (or .cse3 .cse2)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1197211209, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1197211209, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1197211209, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1197211209} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1197211209, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1197211209, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1197211209, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out-1197211209|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1197211209} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-18 14:06:33,161 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [691] [691] L812-->L812-8: Formula: (let ((.cse1 (= (mod ~weak$$choice2~0_In787705325 256) 0))) (or (and (let ((.cse0 (= 0 (mod ~y$r_buff0_thd0~0_In787705325 256)))) (or (= 0 (mod ~y$w_buff0_used~0_In787705325 256)) (and (= 0 (mod ~y$w_buff1_used~0_In787705325 256)) .cse0) (and (= (mod ~y$r_buff1_thd0~0_In787705325 256) 0) .cse0))) .cse1 (= |ULTIMATE.start_main_#t~ite38_Out787705325| |ULTIMATE.start_main_#t~ite37_Out787705325|) (= |ULTIMATE.start_main_#t~ite37_Out787705325| ~y$w_buff1_used~0_In787705325)) (and (= |ULTIMATE.start_main_#t~ite38_Out787705325| ~y$w_buff1_used~0_In787705325) (= |ULTIMATE.start_main_#t~ite37_In787705325| |ULTIMATE.start_main_#t~ite37_Out787705325|) (not .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In787705325, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In787705325, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_In787705325|, ~weak$$choice2~0=~weak$$choice2~0_In787705325, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In787705325, ~y$w_buff1_used~0=~y$w_buff1_used~0_In787705325} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In787705325, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In787705325, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out787705325|, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_Out787705325|, ~weak$$choice2~0=~weak$$choice2~0_In787705325, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In787705325, ~y$w_buff1_used~0=~y$w_buff1_used~0_In787705325} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite38, ULTIMATE.start_main_#t~ite37] because there is no mapped edge [2019-12-18 14:06:33,161 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [607] [607] L813-->L814: Formula: (and (= v_~y$r_buff0_thd0~0_98 v_~y$r_buff0_thd0~0_97) (not (= 0 (mod v_~weak$$choice2~0_26 256)))) InVars {~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_98, ~weak$$choice2~0=v_~weak$$choice2~0_26} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_6|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_6|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_10|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_97, ~weak$$choice2~0=v_~weak$$choice2~0_26} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0] because there is no mapped edge [2019-12-18 14:06:33,163 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [684] [684] L816-->L819-1: Formula: (and (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_16 256)) (not (= (mod v_~y$flush_delayed~0_27 256) 0)) (= v_~y~0_114 v_~y$mem_tmp~0_17) (= 0 v_~y$flush_delayed~0_26)) InVars {~y$mem_tmp~0=v_~y$mem_tmp~0_17, ~y$flush_delayed~0=v_~y$flush_delayed~0_27, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_16} OutVars{~y$mem_tmp~0=v_~y$mem_tmp~0_17, ~y$flush_delayed~0=v_~y$flush_delayed~0_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_16, ~y~0=v_~y~0_114, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_18|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~y$flush_delayed~0, ~y~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-18 14:06:33,163 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [674] [674] L819-1-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_12 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_12 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_12, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-18 14:06:33,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 02:06:33 BasicIcfg [2019-12-18 14:06:33,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 14:06:33,279 INFO L168 Benchmark]: Toolchain (without parser) took 14069.84 ms. Allocated memory was 138.9 MB in the beginning and 551.0 MB in the end (delta: 412.1 MB). Free memory was 102.2 MB in the beginning and 310.0 MB in the end (delta: -207.8 MB). Peak memory consumption was 204.3 MB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,281 INFO L168 Benchmark]: CDTParser took 0.70 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.09 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 157.1 MB in the end (delta: -55.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.13 ms. Allocated memory is still 202.9 MB. Free memory was 157.1 MB in the beginning and 154.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,283 INFO L168 Benchmark]: Boogie Preprocessor took 59.28 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 151.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,288 INFO L168 Benchmark]: RCFGBuilder took 1080.48 ms. Allocated memory is still 202.9 MB. Free memory was 151.8 MB in the beginning and 107.4 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,290 INFO L168 Benchmark]: TraceAbstraction took 12083.84 ms. Allocated memory was 202.9 MB in the beginning and 551.0 MB in the end (delta: 348.1 MB). Free memory was 106.8 MB in the beginning and 310.0 MB in the end (delta: -203.2 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. [2019-12-18 14:06:33,300 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.09 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 157.1 MB in the end (delta: -55.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.13 ms. Allocated memory is still 202.9 MB. Free memory was 157.1 MB in the beginning and 154.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.28 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 151.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1080.48 ms. Allocated memory is still 202.9 MB. Free memory was 151.8 MB in the beginning and 107.4 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12083.84 ms. Allocated memory was 202.9 MB in the beginning and 551.0 MB in the end (delta: 348.1 MB). Free memory was 106.8 MB in the beginning and 310.0 MB in the end (delta: -203.2 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.8s, 148 ProgramPointsBefore, 78 ProgramPointsAfterwards, 182 TransitionsBefore, 90 TransitionsAfterwards, 10378 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 32 ConcurrentYvCompositions, 25 ChoiceCompositions, 3838 VarBasedMoverChecksPositive, 191 VarBasedMoverChecksNegative, 62 SemBasedMoverChecksPositive, 187 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 0 MoverChecksTotal, 46553 CheckedPairsTotal, 101 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L789] FCALL, FORK 0 pthread_create(&t1607, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L791] FCALL, FORK 0 pthread_create(&t1608, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L751] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L752] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L753] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L754] 2 y$r_buff0_thd2 = (_Bool)1 [L757] 2 z = 1 [L760] 2 __unbuffered_p1_EAX = z [L763] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L726] 1 x = 1 [L729] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L732] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L732] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L733] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L734] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L735] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L766] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L767] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L768] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L793] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L798] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L799] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L800] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L801] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L804] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L805] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L806] 0 y$flush_delayed = weak$$choice2 [L807] 0 y$mem_tmp = y VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L808] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L808] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L809] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L809] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L810] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L810] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L811] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L811] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L812] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L814] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 142 locations, 2 error locations. Result: UNSAFE, OverallTime: 11.7s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1174 SDtfs, 1196 SDslu, 2334 SDs, 0 SdLazy, 1224 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11568occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1955 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 60479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...