/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix020_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:55:53,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:55:53,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:55:53,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:55:53,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:55:53,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:55:53,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:55:53,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:55:53,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:55:53,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:55:53,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:55:53,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:55:53,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:55:53,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:55:53,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:55:53,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:55:53,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:55:53,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:55:53,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:55:53,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:55:53,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:55:53,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:55:53,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:55:53,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:55:53,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:55:53,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:55:53,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:55:53,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:55:53,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:55:53,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:55:53,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:55:53,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:55:53,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:55:53,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:55:53,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:55:53,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:55:53,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:55:53,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:55:53,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:55:53,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:55:53,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:55:53,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:55:53,999 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:55:53,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:55:54,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:55:54,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:55:54,001 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:55:54,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:55:54,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:55:54,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:55:54,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:55:54,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:55:54,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:55:54,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:55:54,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:55:54,003 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:55:54,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:55:54,003 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:55:54,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:55:54,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:55:54,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:55:54,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:55:54,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:55:54,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:55:54,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:55:54,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:55:54,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:55:54,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:55:54,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:55:54,006 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:55:54,006 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:55:54,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:55:54,007 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:55:54,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:55:54,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:55:54,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:55:54,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:55:54,374 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:55:54,375 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020_pso.opt.i [2020-10-16 12:55:54,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7617dd01e/6ce8014c866b42d5b67c5f54576bb630/FLAG83eeeba88 [2020-10-16 12:55:55,036 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:55:55,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix020_pso.opt.i [2020-10-16 12:55:55,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7617dd01e/6ce8014c866b42d5b67c5f54576bb630/FLAG83eeeba88 [2020-10-16 12:55:55,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7617dd01e/6ce8014c866b42d5b67c5f54576bb630 [2020-10-16 12:55:55,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:55:55,294 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:55:55,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:55:55,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:55:55,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:55:55,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:55:55" (1/1) ... [2020-10-16 12:55:55,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8589d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:55, skipping insertion in model container [2020-10-16 12:55:55,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:55:55" (1/1) ... [2020-10-16 12:55:55,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:55:55,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:55:55,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:55:55,918 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:55:55,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:55:56,088 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:55:56,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56 WrapperNode [2020-10-16 12:55:56,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:55:56,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:55:56,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:55:56,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:55:56,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:55:56,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:55:56,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:55:56,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:55:56,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... [2020-10-16 12:55:56,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:55:56,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:55:56,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:55:56,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:55:56,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:55:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:55:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:55:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:55:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:55:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:55:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:55:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:55:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:55:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:55:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:55:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:55:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:55:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:55:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:55:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:55:56,296 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:55:58,869 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:55:58,869 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:55:58,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:55:58 BoogieIcfgContainer [2020-10-16 12:55:58,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:55:58,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:55:58,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:55:58,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:55:58,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:55:55" (1/3) ... [2020-10-16 12:55:58,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27513496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:55:58, skipping insertion in model container [2020-10-16 12:55:58,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:56" (2/3) ... [2020-10-16 12:55:58,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27513496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:55:58, skipping insertion in model container [2020-10-16 12:55:58,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:55:58" (3/3) ... [2020-10-16 12:55:58,881 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020_pso.opt.i [2020-10-16 12:55:58,892 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:55:58,893 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:55:58,902 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:55:58,903 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:55:58,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,940 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,940 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,941 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,941 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,942 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,942 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,952 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,952 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,953 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,953 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,953 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,953 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,964 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,964 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,968 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,968 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,968 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,969 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,970 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,971 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,981 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,982 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,984 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,988 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,989 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,990 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,990 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:58,992 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:55:59,007 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:55:59,029 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:55:59,030 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:55:59,030 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:55:59,030 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:55:59,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:55:59,030 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:55:59,030 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:55:59,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:55:59,046 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:55:59,047 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:55:59,050 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:55:59,052 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-16 12:55:59,106 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-16 12:55:59,106 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:55:59,116 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2020-10-16 12:55:59,121 INFO L117 LiptonReduction]: Number of co-enabled transitions 2340 [2020-10-16 12:55:59,625 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:56:00,647 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:56:00,756 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:56:01,977 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 12:56:02,090 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 12:56:02,253 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:56:02,417 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:56:02,430 INFO L132 LiptonReduction]: Checked pairs total: 6165 [2020-10-16 12:56:02,430 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 12:56:02,440 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 32 transitions, 84 flow [2020-10-16 12:56:02,664 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2410 states. [2020-10-16 12:56:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states. [2020-10-16 12:56:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:56:02,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:02,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:02,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:02,691 INFO L82 PathProgramCache]: Analyzing trace with hash -417435981, now seen corresponding path program 1 times [2020-10-16 12:56:02,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:02,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646275234] [2020-10-16 12:56:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:03,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646275234] [2020-10-16 12:56:03,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:03,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:56:03,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1345517540] [2020-10-16 12:56:03,067 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:03,073 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:03,096 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 12:56:03,099 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:03,105 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:03,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:03,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:03,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:03,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:03,132 INFO L87 Difference]: Start difference. First operand 2410 states. Second operand 3 states. [2020-10-16 12:56:03,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:03,235 INFO L93 Difference]: Finished difference Result 2090 states and 7968 transitions. [2020-10-16 12:56:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:03,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:56:03,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:03,275 INFO L225 Difference]: With dead ends: 2090 [2020-10-16 12:56:03,276 INFO L226 Difference]: Without dead ends: 1706 [2020-10-16 12:56:03,277 INFO L677 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 [2020-10-16 12:56:03,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-16 12:56:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2020-10-16 12:56:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-16 12:56:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 6400 transitions. [2020-10-16 12:56:03,478 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 6400 transitions. Word has length 9 [2020-10-16 12:56:03,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:03,479 INFO L481 AbstractCegarLoop]: Abstraction has 1706 states and 6400 transitions. [2020-10-16 12:56:03,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 6400 transitions. [2020-10-16 12:56:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:56:03,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:03,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:03,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:56:03,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:03,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:03,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1723950238, now seen corresponding path program 1 times [2020-10-16 12:56:03,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:03,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874351746] [2020-10-16 12:56:03,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:03,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874351746] [2020-10-16 12:56:03,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:03,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:56:03,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [579138380] [2020-10-16 12:56:03,573 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:03,575 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:03,577 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-16 12:56:03,577 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:03,578 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:03,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:03,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:03,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:03,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:03,580 INFO L87 Difference]: Start difference. First operand 1706 states and 6400 transitions. Second operand 3 states. [2020-10-16 12:56:03,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:03,609 INFO L93 Difference]: Finished difference Result 1658 states and 6180 transitions. [2020-10-16 12:56:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:03,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:56:03,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:03,626 INFO L225 Difference]: With dead ends: 1658 [2020-10-16 12:56:03,627 INFO L226 Difference]: Without dead ends: 1658 [2020-10-16 12:56:03,628 INFO L677 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 [2020-10-16 12:56:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2020-10-16 12:56:03,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1658. [2020-10-16 12:56:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2020-10-16 12:56:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 6180 transitions. [2020-10-16 12:56:03,704 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 6180 transitions. Word has length 11 [2020-10-16 12:56:03,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:03,705 INFO L481 AbstractCegarLoop]: Abstraction has 1658 states and 6180 transitions. [2020-10-16 12:56:03,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 6180 transitions. [2020-10-16 12:56:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:56:03,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:03,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:03,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:56:03,760 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:03,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:03,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1903976335, now seen corresponding path program 1 times [2020-10-16 12:56:03,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:03,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686111400] [2020-10-16 12:56:03,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:03,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686111400] [2020-10-16 12:56:03,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:56:03,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [923371074] [2020-10-16 12:56:03,860 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:03,862 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:03,865 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 20 transitions. [2020-10-16 12:56:03,865 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:03,929 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:03,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:03,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:03,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:03,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:03,931 INFO L87 Difference]: Start difference. First operand 1658 states and 6180 transitions. Second operand 3 states. [2020-10-16 12:56:03,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:03,959 INFO L93 Difference]: Finished difference Result 1546 states and 5712 transitions. [2020-10-16 12:56:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:03,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:56:03,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:03,974 INFO L225 Difference]: With dead ends: 1546 [2020-10-16 12:56:03,974 INFO L226 Difference]: Without dead ends: 1546 [2020-10-16 12:56:03,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-10-16 12:56:04,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1546. [2020-10-16 12:56:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2020-10-16 12:56:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 5712 transitions. [2020-10-16 12:56:04,040 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 5712 transitions. Word has length 12 [2020-10-16 12:56:04,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:04,040 INFO L481 AbstractCegarLoop]: Abstraction has 1546 states and 5712 transitions. [2020-10-16 12:56:04,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 5712 transitions. [2020-10-16 12:56:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:56:04,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:04,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:04,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:56:04,045 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:04,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:04,045 INFO L82 PathProgramCache]: Analyzing trace with hash 97795544, now seen corresponding path program 1 times [2020-10-16 12:56:04,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:04,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769196044] [2020-10-16 12:56:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:04,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769196044] [2020-10-16 12:56:04,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:04,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:56:04,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [246168728] [2020-10-16 12:56:04,175 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:04,178 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:04,185 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 36 transitions. [2020-10-16 12:56:04,185 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:04,276 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:56:04,307 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:56:04,321 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:04,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:56:04,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:04,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:56:04,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:56:04,323 INFO L87 Difference]: Start difference. First operand 1546 states and 5712 transitions. Second operand 4 states. [2020-10-16 12:56:04,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:04,391 INFO L93 Difference]: Finished difference Result 1597 states and 5366 transitions. [2020-10-16 12:56:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:56:04,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:56:04,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:04,402 INFO L225 Difference]: With dead ends: 1597 [2020-10-16 12:56:04,403 INFO L226 Difference]: Without dead ends: 1213 [2020-10-16 12:56:04,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:56:04,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-10-16 12:56:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2020-10-16 12:56:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-16 12:56:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 4047 transitions. [2020-10-16 12:56:04,451 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 4047 transitions. Word has length 14 [2020-10-16 12:56:04,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:04,452 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 4047 transitions. [2020-10-16 12:56:04,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:56:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 4047 transitions. [2020-10-16 12:56:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:56:04,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:04,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:04,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:56:04,457 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:04,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:04,457 INFO L82 PathProgramCache]: Analyzing trace with hash -731732644, now seen corresponding path program 1 times [2020-10-16 12:56:04,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:04,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409512144] [2020-10-16 12:56:04,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:04,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409512144] [2020-10-16 12:56:04,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:04,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:56:04,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [721299891] [2020-10-16 12:56:04,690 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:04,696 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:04,709 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 26 transitions. [2020-10-16 12:56:04,710 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:04,759 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [24101#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:56:04,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:56:04,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:04,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:56:04,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:56:04,761 INFO L87 Difference]: Start difference. First operand 1213 states and 4047 transitions. Second operand 6 states. [2020-10-16 12:56:04,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:04,839 INFO L93 Difference]: Finished difference Result 1042 states and 3173 transitions. [2020-10-16 12:56:04,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:56:04,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-16 12:56:04,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:04,846 INFO L225 Difference]: With dead ends: 1042 [2020-10-16 12:56:04,846 INFO L226 Difference]: Without dead ends: 793 [2020-10-16 12:56:04,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:56:04,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-10-16 12:56:04,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2020-10-16 12:56:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-10-16 12:56:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 2367 transitions. [2020-10-16 12:56:04,873 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 2367 transitions. Word has length 16 [2020-10-16 12:56:04,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:04,873 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 2367 transitions. [2020-10-16 12:56:04,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:56:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2367 transitions. [2020-10-16 12:56:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:56:04,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:04,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:04,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:56:04,877 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:04,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:04,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1771484800, now seen corresponding path program 1 times [2020-10-16 12:56:04,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:04,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856202624] [2020-10-16 12:56:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:05,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856202624] [2020-10-16 12:56:05,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:05,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:56:05,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [648239958] [2020-10-16 12:56:05,006 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:05,011 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:05,040 INFO L258 McrAutomatonBuilder]: Finished intersection with 64 states and 116 transitions. [2020-10-16 12:56:05,040 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:05,439 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [26738#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:56:05,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:56:05,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:05,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:56:05,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:56:05,441 INFO L87 Difference]: Start difference. First operand 793 states and 2367 transitions. Second operand 7 states. [2020-10-16 12:56:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:05,534 INFO L93 Difference]: Finished difference Result 684 states and 2009 transitions. [2020-10-16 12:56:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:56:05,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-16 12:56:05,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:05,544 INFO L225 Difference]: With dead ends: 684 [2020-10-16 12:56:05,544 INFO L226 Difference]: Without dead ends: 597 [2020-10-16 12:56:05,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:56:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-16 12:56:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2020-10-16 12:56:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-16 12:56:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1779 transitions. [2020-10-16 12:56:05,570 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1779 transitions. Word has length 19 [2020-10-16 12:56:05,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:05,571 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 1779 transitions. [2020-10-16 12:56:05,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:56:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1779 transitions. [2020-10-16 12:56:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:56:05,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:05,575 INFO L422 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] [2020-10-16 12:56:05,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:56:05,576 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:05,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:05,576 INFO L82 PathProgramCache]: Analyzing trace with hash 954151064, now seen corresponding path program 1 times [2020-10-16 12:56:05,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:05,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454167952] [2020-10-16 12:56:05,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:05,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454167952] [2020-10-16 12:56:05,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:05,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:56:05,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2032932322] [2020-10-16 12:56:05,691 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:05,699 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:05,771 INFO L258 McrAutomatonBuilder]: Finished intersection with 118 states and 249 transitions. [2020-10-16 12:56:05,771 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:05,932 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:05,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:05,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:05,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:05,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:05,936 INFO L87 Difference]: Start difference. First operand 597 states and 1779 transitions. Second operand 3 states. [2020-10-16 12:56:05,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:05,958 INFO L93 Difference]: Finished difference Result 814 states and 2360 transitions. [2020-10-16 12:56:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:05,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-16 12:56:05,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:05,964 INFO L225 Difference]: With dead ends: 814 [2020-10-16 12:56:05,964 INFO L226 Difference]: Without dead ends: 598 [2020-10-16 12:56:05,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-16 12:56:05,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 596. [2020-10-16 12:56:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-16 12:56:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1679 transitions. [2020-10-16 12:56:05,982 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1679 transitions. Word has length 22 [2020-10-16 12:56:05,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:05,982 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 1679 transitions. [2020-10-16 12:56:05,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1679 transitions. [2020-10-16 12:56:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:56:05,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:05,985 INFO L422 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] [2020-10-16 12:56:05,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:56:05,985 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:05,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:05,986 INFO L82 PathProgramCache]: Analyzing trace with hash -406731607, now seen corresponding path program 1 times [2020-10-16 12:56:05,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:05,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397762940] [2020-10-16 12:56:05,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:06,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397762940] [2020-10-16 12:56:06,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:06,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:56:06,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1485951476] [2020-10-16 12:56:06,047 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:06,053 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:06,089 INFO L258 McrAutomatonBuilder]: Finished intersection with 72 states and 129 transitions. [2020-10-16 12:56:06,090 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:06,267 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:06,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:56:06,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:06,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:56:06,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:56:06,268 INFO L87 Difference]: Start difference. First operand 596 states and 1679 transitions. Second operand 4 states. [2020-10-16 12:56:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:06,288 INFO L93 Difference]: Finished difference Result 765 states and 2102 transitions. [2020-10-16 12:56:06,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:56:06,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 12:56:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:06,293 INFO L225 Difference]: With dead ends: 765 [2020-10-16 12:56:06,293 INFO L226 Difference]: Without dead ends: 509 [2020-10-16 12:56:06,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:56:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-16 12:56:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 506. [2020-10-16 12:56:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-10-16 12:56:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 1332 transitions. [2020-10-16 12:56:06,308 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 1332 transitions. Word has length 22 [2020-10-16 12:56:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:06,309 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 1332 transitions. [2020-10-16 12:56:06,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:56:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1332 transitions. [2020-10-16 12:56:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:56:06,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:06,311 INFO L422 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] [2020-10-16 12:56:06,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:56:06,311 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:06,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:06,311 INFO L82 PathProgramCache]: Analyzing trace with hash 909192906, now seen corresponding path program 2 times [2020-10-16 12:56:06,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:06,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144030848] [2020-10-16 12:56:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:06,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144030848] [2020-10-16 12:56:06,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:06,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:56:06,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [800095076] [2020-10-16 12:56:06,435 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:06,517 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:06,584 INFO L258 McrAutomatonBuilder]: Finished intersection with 131 states and 282 transitions. [2020-10-16 12:56:06,584 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:06,978 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [32419#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:56:06,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:56:06,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:06,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:56:06,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:56:06,980 INFO L87 Difference]: Start difference. First operand 506 states and 1332 transitions. Second operand 8 states. [2020-10-16 12:56:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:07,049 INFO L93 Difference]: Finished difference Result 482 states and 1284 transitions. [2020-10-16 12:56:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:56:07,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-16 12:56:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:07,051 INFO L225 Difference]: With dead ends: 482 [2020-10-16 12:56:07,051 INFO L226 Difference]: Without dead ends: 185 [2020-10-16 12:56:07,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:56:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-16 12:56:07,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-16 12:56:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-16 12:56:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 445 transitions. [2020-10-16 12:56:07,058 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 445 transitions. Word has length 22 [2020-10-16 12:56:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:07,058 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 445 transitions. [2020-10-16 12:56:07,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:56:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2020-10-16 12:56:07,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:56:07,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:07,060 INFO L422 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] [2020-10-16 12:56:07,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:56:07,060 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:07,060 INFO L82 PathProgramCache]: Analyzing trace with hash -720745289, now seen corresponding path program 1 times [2020-10-16 12:56:07,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:07,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129825624] [2020-10-16 12:56:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:07,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129825624] [2020-10-16 12:56:07,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:07,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:56:07,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2136824555] [2020-10-16 12:56:07,120 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:07,127 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:07,197 INFO L258 McrAutomatonBuilder]: Finished intersection with 103 states and 197 transitions. [2020-10-16 12:56:07,198 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:07,424 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:07,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:56:07,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:07,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:56:07,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:56:07,425 INFO L87 Difference]: Start difference. First operand 185 states and 445 transitions. Second operand 4 states. [2020-10-16 12:56:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:07,440 INFO L93 Difference]: Finished difference Result 241 states and 576 transitions. [2020-10-16 12:56:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:56:07,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-16 12:56:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:07,442 INFO L225 Difference]: With dead ends: 241 [2020-10-16 12:56:07,442 INFO L226 Difference]: Without dead ends: 80 [2020-10-16 12:56:07,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:56:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-16 12:56:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-16 12:56:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-16 12:56:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 166 transitions. [2020-10-16 12:56:07,445 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 166 transitions. Word has length 25 [2020-10-16 12:56:07,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:07,446 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 166 transitions. [2020-10-16 12:56:07,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:56:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions. [2020-10-16 12:56:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:56:07,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:07,447 INFO L422 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] [2020-10-16 12:56:07,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:56:07,448 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:07,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:07,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1857061229, now seen corresponding path program 2 times [2020-10-16 12:56:07,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:07,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578031978] [2020-10-16 12:56:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:07,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578031978] [2020-10-16 12:56:07,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:07,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:56:07,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [988812400] [2020-10-16 12:56:07,848 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:07,856 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:07,901 INFO L258 McrAutomatonBuilder]: Finished intersection with 72 states and 128 transitions. [2020-10-16 12:56:07,901 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:08,023 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,024 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,025 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,025 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,026 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,026 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,027 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,027 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,028 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,029 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,029 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,030 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,031 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,031 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,033 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,033 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,034 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,034 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,036 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,040 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,044 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:08,053 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:08,084 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,178 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,178 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,179 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,179 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,180 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,181 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,181 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,182 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,182 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,183 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,183 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,184 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,184 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,185 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,185 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,186 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,186 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,188 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,191 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,194 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:08,201 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:08,224 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,325 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,326 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,326 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,327 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,327 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,328 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,329 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,330 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,331 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,332 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,333 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,333 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,334 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,335 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,336 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,337 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,338 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:08,338 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,340 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,342 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:56:08,348 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,357 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,387 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:08,446 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,447 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,447 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,450 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:56:08,450 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,451 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 3, 3, 2, 3, 2, 3, 1] term [2020-10-16 12:56:08,451 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,453 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,453 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,719 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 47 [2020-10-16 12:56:08,726 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,727 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,728 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:08,730 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,730 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,734 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:56:08,734 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,735 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 12:56:08,735 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,736 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,737 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,785 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,787 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,787 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:08,789 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,790 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,792 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:56:08,792 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,793 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-16 12:56:08,793 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,794 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,795 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,840 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,841 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 12:56:08,842 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 2, 2, 1] term [2020-10-16 12:56:08,842 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,843 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 1] term [2020-10-16 12:56:08,843 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,844 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,845 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,846 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,848 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:56:08,848 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,849 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 5, 4, 3, 3, 3, 2, 2, 1] term [2020-10-16 12:56:08,849 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,850 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,851 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,897 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,898 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,898 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,899 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,901 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:56:08,902 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,903 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 3, 4, 2, 3, 2, 3, 1] term [2020-10-16 12:56:08,903 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:08,904 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-16 12:56:08,904 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:08,930 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [33689#(or (and (or (and (not (= (mod ~z$w_buff0_used~0 256) 0)) (not (= (mod ~z$r_buff0_thd4~0 256) 0))) (and (= ~z$r_buff0_thd3~0 0) (or (= (mod ~z$w_buff1_used~0 256) 0) (= (mod ~z$r_buff1_thd4~0 256) 0)) (or (and (not (= ~z~0 0)) (= ~z$w_buff0_used~0 (* 256 (div ~z$w_buff0_used~0 256)))) (and (= ~z~0 1) (<= 0 (div ~z$w_buff1_used~0 256)) (<= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))))) (or (= (mod ~z$w_buff0_used~0 256) 0) (= (mod ~z$r_buff0_thd4~0 256) 0) (and (not (= ~z$w_buff0~0 0)) (= ~z$r_buff0_thd3~0 0)))) (= ~__unbuffered_p3_EAX~0 0))] [2020-10-16 12:56:08,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:56:08,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:08,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:56:08,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:56:08,932 INFO L87 Difference]: Start difference. First operand 80 states and 166 transitions. Second operand 8 states. [2020-10-16 12:56:09,231 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-10-16 12:56:09,407 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-10-16 12:56:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:09,431 INFO L93 Difference]: Finished difference Result 98 states and 200 transitions. [2020-10-16 12:56:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:56:09,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-16 12:56:09,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:09,433 INFO L225 Difference]: With dead ends: 98 [2020-10-16 12:56:09,433 INFO L226 Difference]: Without dead ends: 52 [2020-10-16 12:56:09,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 7 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:56:09,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-16 12:56:09,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-16 12:56:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-16 12:56:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 90 transitions. [2020-10-16 12:56:09,436 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 90 transitions. Word has length 25 [2020-10-16 12:56:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:09,436 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 90 transitions. [2020-10-16 12:56:09,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:56:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2020-10-16 12:56:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:56:09,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:09,437 INFO L422 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] [2020-10-16 12:56:09,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:56:09,438 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash -955401275, now seen corresponding path program 3 times [2020-10-16 12:56:09,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:09,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450860301] [2020-10-16 12:56:09,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:56:09,522 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:56:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:56:09,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:56:09,629 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:56:09,629 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:56:09,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:56:09,631 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:56:09,650 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1194] [1194] L2-->L871: Formula: (let ((.cse7 (= (mod ~z$r_buff0_thd0~0_In1200036272 256) 0)) (.cse6 (= (mod ~z$w_buff0_used~0_In1200036272 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In1200036272 256) 0)) (.cse8 (= (mod ~z$r_buff1_thd0~0_In1200036272 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and .cse0 .cse1 (= ~z$w_buff1_used~0_Out1200036272 0)) (and .cse2 (= ~z$w_buff1_used~0_Out1200036272 ~z$w_buff1_used~0_In1200036272))) (or (and .cse3 (or (and .cse0 (= ~z$w_buff1~0_In1200036272 ~z~0_Out1200036272) .cse1) (and .cse2 (= ~z~0_In1200036272 ~z~0_Out1200036272)))) (and (= ~z~0_Out1200036272 ~z$w_buff0~0_In1200036272) .cse4 .cse5)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1200036272 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1200036272|) (or (and (= ~z$w_buff0_used~0_Out1200036272 0) .cse4 .cse5) (and .cse3 (= ~z$w_buff0_used~0_Out1200036272 ~z$w_buff0_used~0_In1200036272))) (= ~z$r_buff1_thd0~0_Out1200036272 ~z$r_buff1_thd0~0_In1200036272) (= ~z$r_buff0_thd0~0_In1200036272 ~z$r_buff0_thd0~0_Out1200036272) (not (= 0 ULTIMATE.start_assume_abort_if_not_~cond_Out1200036272))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1200036272|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1200036272, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1200036272, ~z$w_buff0~0=~z$w_buff0~0_In1200036272, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1200036272, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1200036272, ~z$w_buff1~0=~z$w_buff1~0_In1200036272, ~z~0=~z~0_In1200036272} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out1200036272, ~z$w_buff0~0=~z$w_buff0~0_In1200036272, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out1200036272, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out1200036272|, ~z$w_buff1~0=~z$w_buff1~0_In1200036272, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out1200036272|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out1200036272|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out1200036272|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1200036272|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out1200036272, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out1200036272|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out1200036272|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1200036272, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out1200036272, ~z~0=~z~0_Out1200036272} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite59, ~z~0] because there is no mapped edge [2020-10-16 12:56:09,658 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,658 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,659 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,659 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,659 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,659 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,659 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,659 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,660 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,660 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,660 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,660 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,661 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,661 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,661 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,661 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,661 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,662 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,662 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,663 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,663 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,663 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,664 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,665 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,666 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,666 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,666 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,666 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,666 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,667 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,667 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,667 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,667 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,667 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,669 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,669 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,670 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,670 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,671 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,671 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,671 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,671 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,671 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,671 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,672 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:09,672 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:09,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:56:09 BasicIcfg [2020-10-16 12:56:09,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:56:09,748 INFO L168 Benchmark]: Toolchain (without parser) took 14454.26 ms. Allocated memory was 135.8 MB in the beginning and 545.8 MB in the end (delta: 410.0 MB). Free memory was 97.5 MB in the beginning and 398.3 MB in the end (delta: -300.8 MB). Peak memory consumption was 109.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,749 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 117.3 MB in the beginning and 116.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.83 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 97.5 MB in the beginning and 154.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 199.8 MB. Free memory was 154.7 MB in the beginning and 151.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,751 INFO L168 Benchmark]: Boogie Preprocessor took 47.50 ms. Allocated memory is still 199.8 MB. Free memory was 151.5 MB in the beginning and 149.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,752 INFO L168 Benchmark]: RCFGBuilder took 2658.91 ms. Allocated memory was 199.8 MB in the beginning and 258.5 MB in the end (delta: 58.7 MB). Free memory was 149.3 MB in the beginning and 136.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,753 INFO L168 Benchmark]: TraceAbstraction took 10872.92 ms. Allocated memory was 258.5 MB in the beginning and 545.8 MB in the end (delta: 287.3 MB). Free memory was 134.1 MB in the beginning and 398.3 MB in the end (delta: -264.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:09,758 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 117.3 MB in the beginning and 116.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.83 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 97.5 MB in the beginning and 154.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 199.8 MB. Free memory was 154.7 MB in the beginning and 151.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.50 ms. Allocated memory is still 199.8 MB. Free memory was 151.5 MB in the beginning and 149.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2658.91 ms. Allocated memory was 199.8 MB in the beginning and 258.5 MB in the end (delta: 58.7 MB). Free memory was 149.3 MB in the beginning and 136.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10872.92 ms. Allocated memory was 258.5 MB in the beginning and 545.8 MB in the end (delta: 287.3 MB). Free memory was 134.1 MB in the beginning and 398.3 MB in the end (delta: -264.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1231 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 124 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 121 PlacesBefore, 44 PlacesAfterwards, 110 TransitionsBefore, 32 TransitionsAfterwards, 2340 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 6165 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p2_EAX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff0_thd4; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$r_buff1_thd4; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L853] 0 pthread_t t533; [L854] FCALL, FORK 0 pthread_create(&t533, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 pthread_t t534; [L856] FCALL, FORK 0 pthread_create(&t534, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] 0 pthread_t t535; [L858] FCALL, FORK 0 pthread_create(&t535, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] 0 pthread_t t536; [L860] FCALL, FORK 0 pthread_create(&t536, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L799] 4 z$w_buff1 = z$w_buff0 [L800] 4 z$w_buff0 = 1 [L801] 4 z$w_buff1_used = z$w_buff0_used [L802] 4 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 4 !expression [L7] 4 __VERIFIER_error() [L804] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L805] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L806] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L807] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L808] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L809] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 4 z$flush_delayed = weak$$choice2 [L815] 4 z$mem_tmp = z [L816] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L816] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L817] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L817] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0) [L817] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L817] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L818] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L818] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1) [L818] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L818] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L819] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L819] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L820] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L820] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L821] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L821] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L821] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L822] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L822] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L823] 4 __unbuffered_p3_EAX = z [L824] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L824] 4 z = z$flush_delayed ? z$mem_tmp : z [L825] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L744] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L756] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 2 return 0; [L771] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L775] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L776] 3 z$flush_delayed = weak$$choice2 [L777] 3 z$mem_tmp = z [L778] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L778] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L779] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L779] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L780] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L780] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L781] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L781] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L782] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L782] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L782] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L783] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L784] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L784] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] 3 __unbuffered_p2_EAX = z [L786] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L786] 3 z = z$flush_delayed ? z$mem_tmp : z [L787] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L794] 3 return 0; [L831] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L831] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L831] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L831] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L832] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L833] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L834] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L835] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 4 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L873] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.6s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 356 SDtfs, 380 SDslu, 575 SDs, 0 SdLazy, 199 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 329 SyntacticMatches, 9 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 20302 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...