/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/mix030_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:05:34,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:05:34,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:05:34,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:05:34,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:05:34,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:05:34,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:05:34,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:05:34,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:05:34,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:05:34,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:05:34,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:05:34,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:05:34,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:05:34,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:05:34,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:05:34,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:05:34,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:05:34,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:05:34,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:05:34,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:05:34,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:05:34,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:05:34,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:05:34,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:05:34,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:05:34,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:05:34,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:05:34,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:05:34,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:05:34,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:05:34,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:05:34,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:05:34,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:05:34,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:05:34,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:05:34,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:05:34,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:05:34,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:05:34,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:05:34,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:05:34,210 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 13:05:34,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:05:34,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:05:34,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:05:34,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:05:34,255 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:05:34,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:05:34,256 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:05:34,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:05:34,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:05:34,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:05:34,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:05:34,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:05:34,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:05:34,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:05:34,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:05:34,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:05:34,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:05:34,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:05:34,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:05:34,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:05:34,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:05:34,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:05:34,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:05:34,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:05:34,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:05:34,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:05:34,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:05:34,261 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:05:34,261 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:05:34,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:05:34,262 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:05:34,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:05:34,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:05:34,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:05:34,566 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:05:34,567 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:05:34,567 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_rmo.oepc.i [2020-10-16 13:05:34,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9146f51a0/856f4f25b81d4276a38fea527d9d07d0/FLAG0e59c51c4 [2020-10-16 13:05:35,182 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:05:35,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix030_rmo.oepc.i [2020-10-16 13:05:35,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9146f51a0/856f4f25b81d4276a38fea527d9d07d0/FLAG0e59c51c4 [2020-10-16 13:05:35,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9146f51a0/856f4f25b81d4276a38fea527d9d07d0 [2020-10-16 13:05:35,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:05:35,525 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:05:35,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:05:35,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:05:35,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:05:35,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:05:35" (1/1) ... [2020-10-16 13:05:35,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f2c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:35, skipping insertion in model container [2020-10-16 13:05:35,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:05:35" (1/1) ... [2020-10-16 13:05:35,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:05:35,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:05:36,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:05:36,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:05:36,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:05:36,245 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:05:36,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36 WrapperNode [2020-10-16 13:05:36,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:05:36,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:05:36,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:05:36,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:05:36,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:05:36,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:05:36,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:05:36,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:05:36,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (1/1) ... [2020-10-16 13:05:36,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:05:36,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:05:36,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:05:36,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:05:36,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (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 13:05:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:05:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:05:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:05:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:05:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:05:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:05:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:05:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:05:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 13:05:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 13:05:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 13:05:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 13:05:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:05:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:05:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:05:36,436 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 13:05:38,762 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:05:38,762 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 13:05:38,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:05:38 BoogieIcfgContainer [2020-10-16 13:05:38,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:05:38,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:05:38,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:05:38,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:05:38,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:05:35" (1/3) ... [2020-10-16 13:05:38,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7043c71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:05:38, skipping insertion in model container [2020-10-16 13:05:38,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:36" (2/3) ... [2020-10-16 13:05:38,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7043c71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:05:38, skipping insertion in model container [2020-10-16 13:05:38,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:05:38" (3/3) ... [2020-10-16 13:05:38,774 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_rmo.oepc.i [2020-10-16 13:05:38,786 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:05:38,786 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:05:38,797 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 13:05:38,799 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:05:38,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,846 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,846 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,846 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,847 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,852 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,852 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,852 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,852 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,856 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,863 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,863 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,903 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,903 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,906 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,906 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:05:38,917 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:05:38,931 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 13:05:38,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:05:38,953 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:05:38,953 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:05:38,954 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:05:38,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:05:38,955 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:05:38,956 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:05:38,956 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:05:38,974 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:05:38,975 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-16 13:05:38,977 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 242 flow [2020-10-16 13:05:38,979 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 242 flow [2020-10-16 13:05:39,033 INFO L129 PetriNetUnfolder]: 2/107 cut-off events. [2020-10-16 13:05:39,033 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:05:39,039 INFO L80 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2020-10-16 13:05:39,043 INFO L117 LiptonReduction]: Number of co-enabled transitions 2714 [2020-10-16 13:05:39,454 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 13:05:40,376 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 13:05:40,502 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 13:05:41,795 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 13:05:41,921 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 13:05:41,982 INFO L132 LiptonReduction]: Checked pairs total: 7937 [2020-10-16 13:05:41,983 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 13:05:41,990 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2020-10-16 13:05:42,270 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states. [2020-10-16 13:05:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states. [2020-10-16 13:05:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 13:05:42,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:42,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 13:05:42,282 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:42,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1192733, now seen corresponding path program 1 times [2020-10-16 13:05:42,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:42,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731618772] [2020-10-16 13:05:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:42,558 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 13:05:42,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731618772] [2020-10-16 13:05:42,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:42,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:05:42,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [516146933] [2020-10-16 13:05:42,562 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:42,565 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:42,577 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-16 13:05:42,578 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:42,582 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:42,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:42,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:42,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:42,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:42,601 INFO L87 Difference]: Start difference. First operand 4874 states. Second operand 3 states. [2020-10-16 13:05:42,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:42,846 INFO L93 Difference]: Finished difference Result 4062 states and 16125 transitions. [2020-10-16 13:05:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:42,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 13:05:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:42,912 INFO L225 Difference]: With dead ends: 4062 [2020-10-16 13:05:42,912 INFO L226 Difference]: Without dead ends: 3312 [2020-10-16 13:05:42,914 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 13:05:42,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-10-16 13:05:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2020-10-16 13:05:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-16 13:05:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2020-10-16 13:05:43,185 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2020-10-16 13:05:43,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:43,185 INFO L481 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2020-10-16 13:05:43,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2020-10-16 13:05:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 13:05:43,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:43,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:43,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:05:43,190 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:43,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:43,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1711068057, now seen corresponding path program 1 times [2020-10-16 13:05:43,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:43,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642157493] [2020-10-16 13:05:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:43,300 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 13:05:43,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642157493] [2020-10-16 13:05:43,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:43,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:05:43,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1275062715] [2020-10-16 13:05:43,302 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:43,303 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:43,305 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-16 13:05:43,305 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:43,305 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:43,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:43,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:43,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:43,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:43,308 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states. [2020-10-16 13:05:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:43,353 INFO L93 Difference]: Finished difference Result 3262 states and 12720 transitions. [2020-10-16 13:05:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:43,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 13:05:43,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:43,383 INFO L225 Difference]: With dead ends: 3262 [2020-10-16 13:05:43,383 INFO L226 Difference]: Without dead ends: 3262 [2020-10-16 13:05:43,384 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 13:05:43,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-10-16 13:05:43,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3262. [2020-10-16 13:05:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3262 states. [2020-10-16 13:05:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 12720 transitions. [2020-10-16 13:05:43,518 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 12720 transitions. Word has length 11 [2020-10-16 13:05:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:43,519 INFO L481 AbstractCegarLoop]: Abstraction has 3262 states and 12720 transitions. [2020-10-16 13:05:43,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 12720 transitions. [2020-10-16 13:05:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:05:43,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:43,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:43,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:05:43,524 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:43,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:43,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1502802747, now seen corresponding path program 1 times [2020-10-16 13:05:43,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:43,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995403519] [2020-10-16 13:05:43,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:43,590 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 13:05:43,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995403519] [2020-10-16 13:05:43,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:43,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:05:43,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [500679377] [2020-10-16 13:05:43,591 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:43,592 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:43,595 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 16 transitions. [2020-10-16 13:05:43,595 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:43,648 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:43,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:43,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:43,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:43,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:43,650 INFO L87 Difference]: Start difference. First operand 3262 states and 12720 transitions. Second operand 3 states. [2020-10-16 13:05:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:43,704 INFO L93 Difference]: Finished difference Result 3212 states and 12490 transitions. [2020-10-16 13:05:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:43,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 13:05:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:43,734 INFO L225 Difference]: With dead ends: 3212 [2020-10-16 13:05:43,734 INFO L226 Difference]: Without dead ends: 3212 [2020-10-16 13:05:43,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:43,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2020-10-16 13:05:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3212. [2020-10-16 13:05:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3212 states. [2020-10-16 13:05:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 3212 states and 12490 transitions. [2020-10-16 13:05:43,877 INFO L78 Accepts]: Start accepts. Automaton has 3212 states and 12490 transitions. Word has length 12 [2020-10-16 13:05:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:43,877 INFO L481 AbstractCegarLoop]: Abstraction has 3212 states and 12490 transitions. [2020-10-16 13:05:43,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3212 states and 12490 transitions. [2020-10-16 13:05:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 13:05:43,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:43,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:43,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:05:43,943 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:43,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:43,944 INFO L82 PathProgramCache]: Analyzing trace with hash 796978868, now seen corresponding path program 1 times [2020-10-16 13:05:43,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:43,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016247279] [2020-10-16 13:05:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:44,007 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 13:05:44,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016247279] [2020-10-16 13:05:44,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:44,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:05:44,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1136044266] [2020-10-16 13:05:44,008 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:44,010 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:44,013 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 29 transitions. [2020-10-16 13:05:44,013 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:44,014 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:44,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:44,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:44,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:44,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:44,016 INFO L87 Difference]: Start difference. First operand 3212 states and 12490 transitions. Second operand 3 states. [2020-10-16 13:05:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:44,069 INFO L93 Difference]: Finished difference Result 4637 states and 17520 transitions. [2020-10-16 13:05:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:44,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 13:05:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:44,100 INFO L225 Difference]: With dead ends: 4637 [2020-10-16 13:05:44,101 INFO L226 Difference]: Without dead ends: 3512 [2020-10-16 13:05:44,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 13:05:44,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3512 states. [2020-10-16 13:05:44,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3512 to 3137. [2020-10-16 13:05:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-10-16 13:05:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 11795 transitions. [2020-10-16 13:05:44,224 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 11795 transitions. Word has length 13 [2020-10-16 13:05:44,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:44,224 INFO L481 AbstractCegarLoop]: Abstraction has 3137 states and 11795 transitions. [2020-10-16 13:05:44,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 11795 transitions. [2020-10-16 13:05:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 13:05:44,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:44,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:44,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:05:44,227 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:44,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:44,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1236047171, now seen corresponding path program 1 times [2020-10-16 13:05:44,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:44,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865065552] [2020-10-16 13:05:44,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:44,285 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 13:05:44,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865065552] [2020-10-16 13:05:44,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:44,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:05:44,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1231851122] [2020-10-16 13:05:44,286 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:44,288 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:44,291 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 33 transitions. [2020-10-16 13:05:44,291 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:44,348 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:44,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:44,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:44,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:44,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:44,349 INFO L87 Difference]: Start difference. First operand 3137 states and 11795 transitions. Second operand 3 states. [2020-10-16 13:05:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:44,391 INFO L93 Difference]: Finished difference Result 3022 states and 11293 transitions. [2020-10-16 13:05:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:44,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 13:05:44,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:44,406 INFO L225 Difference]: With dead ends: 3022 [2020-10-16 13:05:44,406 INFO L226 Difference]: Without dead ends: 3022 [2020-10-16 13:05:44,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 13:05:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2020-10-16 13:05:44,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3022. [2020-10-16 13:05:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3022 states. [2020-10-16 13:05:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 11293 transitions. [2020-10-16 13:05:44,511 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 11293 transitions. Word has length 13 [2020-10-16 13:05:44,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:44,511 INFO L481 AbstractCegarLoop]: Abstraction has 3022 states and 11293 transitions. [2020-10-16 13:05:44,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 11293 transitions. [2020-10-16 13:05:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 13:05:44,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:44,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:44,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:05:44,515 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:44,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:44,515 INFO L82 PathProgramCache]: Analyzing trace with hash 335054345, now seen corresponding path program 1 times [2020-10-16 13:05:44,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:44,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364701194] [2020-10-16 13:05:44,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:44,554 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 13:05:44,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364701194] [2020-10-16 13:05:44,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:44,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:05:44,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1696458618] [2020-10-16 13:05:44,555 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:44,557 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:44,560 INFO L258 McrAutomatonBuilder]: Finished intersection with 29 states and 46 transitions. [2020-10-16 13:05:44,560 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:44,630 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:44,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:44,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:44,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:44,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:44,631 INFO L87 Difference]: Start difference. First operand 3022 states and 11293 transitions. Second operand 3 states. [2020-10-16 13:05:44,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:44,659 INFO L93 Difference]: Finished difference Result 2990 states and 11149 transitions. [2020-10-16 13:05:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:44,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-16 13:05:44,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:44,673 INFO L225 Difference]: With dead ends: 2990 [2020-10-16 13:05:44,673 INFO L226 Difference]: Without dead ends: 2990 [2020-10-16 13:05:44,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 13:05:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2020-10-16 13:05:44,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2990. [2020-10-16 13:05:44,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2020-10-16 13:05:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 11149 transitions. [2020-10-16 13:05:44,849 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 11149 transitions. Word has length 14 [2020-10-16 13:05:44,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:44,850 INFO L481 AbstractCegarLoop]: Abstraction has 2990 states and 11149 transitions. [2020-10-16 13:05:44,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 11149 transitions. [2020-10-16 13:05:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 13:05:44,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:44,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:44,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:05:44,854 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:44,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:44,854 INFO L82 PathProgramCache]: Analyzing trace with hash -344490820, now seen corresponding path program 1 times [2020-10-16 13:05:44,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:44,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229038289] [2020-10-16 13:05:44,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:44,891 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 13:05:44,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229038289] [2020-10-16 13:05:44,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:44,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:05:44,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [569171295] [2020-10-16 13:05:44,893 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:44,895 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:44,901 INFO L258 McrAutomatonBuilder]: Finished intersection with 44 states and 79 transitions. [2020-10-16 13:05:44,901 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:44,921 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:44,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:44,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:44,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:44,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:44,923 INFO L87 Difference]: Start difference. First operand 2990 states and 11149 transitions. Second operand 3 states. [2020-10-16 13:05:44,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:44,960 INFO L93 Difference]: Finished difference Result 4370 states and 15783 transitions. [2020-10-16 13:05:44,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:44,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-16 13:05:44,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:44,974 INFO L225 Difference]: With dead ends: 4370 [2020-10-16 13:05:44,974 INFO L226 Difference]: Without dead ends: 3170 [2020-10-16 13:05:44,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 13:05:44,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-10-16 13:05:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 2930. [2020-10-16 13:05:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2930 states. [2020-10-16 13:05:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 10496 transitions. [2020-10-16 13:05:45,068 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 10496 transitions. Word has length 15 [2020-10-16 13:05:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:45,068 INFO L481 AbstractCegarLoop]: Abstraction has 2930 states and 10496 transitions. [2020-10-16 13:05:45,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 10496 transitions. [2020-10-16 13:05:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 13:05:45,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:45,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:45,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 13:05:45,075 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:45,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:45,075 INFO L82 PathProgramCache]: Analyzing trace with hash 304987062, now seen corresponding path program 1 times [2020-10-16 13:05:45,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:45,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568747311] [2020-10-16 13:05:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:45,190 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 13:05:45,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568747311] [2020-10-16 13:05:45,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:45,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:05:45,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1366525101] [2020-10-16 13:05:45,191 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:45,193 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:45,200 INFO L258 McrAutomatonBuilder]: Finished intersection with 53 states and 111 transitions. [2020-10-16 13:05:45,201 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:45,273 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,293 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,308 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,363 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,375 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,387 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,423 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,448 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,474 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:45,494 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:45,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:05:45,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:45,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:05:45,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:05:45,495 INFO L87 Difference]: Start difference. First operand 2930 states and 10496 transitions. Second operand 4 states. [2020-10-16 13:05:45,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:45,555 INFO L93 Difference]: Finished difference Result 2914 states and 9414 transitions. [2020-10-16 13:05:45,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:05:45,556 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-16 13:05:45,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:45,564 INFO L225 Difference]: With dead ends: 2914 [2020-10-16 13:05:45,564 INFO L226 Difference]: Without dead ends: 2164 [2020-10-16 13:05:45,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 20 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 13:05:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2020-10-16 13:05:45,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2164. [2020-10-16 13:05:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2164 states. [2020-10-16 13:05:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 6914 transitions. [2020-10-16 13:05:45,627 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 6914 transitions. Word has length 15 [2020-10-16 13:05:45,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:45,627 INFO L481 AbstractCegarLoop]: Abstraction has 2164 states and 6914 transitions. [2020-10-16 13:05:45,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:05:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 6914 transitions. [2020-10-16 13:05:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:05:45,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:45,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:45,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 13:05:45,632 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:45,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1476404973, now seen corresponding path program 1 times [2020-10-16 13:05:45,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:45,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640478357] [2020-10-16 13:05:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:45,676 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 13:05:45,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640478357] [2020-10-16 13:05:45,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:45,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:05:45,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [239680045] [2020-10-16 13:05:45,677 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:45,680 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:45,696 INFO L258 McrAutomatonBuilder]: Finished intersection with 85 states and 170 transitions. [2020-10-16 13:05:45,697 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:45,845 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:45,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:05:45,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:45,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:05:45,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:05:45,847 INFO L87 Difference]: Start difference. First operand 2164 states and 6914 transitions. Second operand 3 states. [2020-10-16 13:05:45,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:45,875 INFO L93 Difference]: Finished difference Result 3229 states and 10013 transitions. [2020-10-16 13:05:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:05:45,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-16 13:05:45,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:45,885 INFO L225 Difference]: With dead ends: 3229 [2020-10-16 13:05:45,885 INFO L226 Difference]: Without dead ends: 2245 [2020-10-16 13:05:45,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 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 13:05:45,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2020-10-16 13:05:46,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2134. [2020-10-16 13:05:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-10-16 13:05:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 6516 transitions. [2020-10-16 13:05:46,020 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 6516 transitions. Word has length 18 [2020-10-16 13:05:46,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:46,020 INFO L481 AbstractCegarLoop]: Abstraction has 2134 states and 6516 transitions. [2020-10-16 13:05:46,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:05:46,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 6516 transitions. [2020-10-16 13:05:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:05:46,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:46,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:05:46,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 13:05:46,025 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:46,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:46,026 INFO L82 PathProgramCache]: Analyzing trace with hash -755953583, now seen corresponding path program 1 times [2020-10-16 13:05:46,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:46,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797675028] [2020-10-16 13:05:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:46,101 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 13:05:46,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797675028] [2020-10-16 13:05:46,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:46,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 13:05:46,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1321922599] [2020-10-16 13:05:46,103 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:46,106 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:46,119 INFO L258 McrAutomatonBuilder]: Finished intersection with 77 states and 149 transitions. [2020-10-16 13:05:46,119 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:46,138 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,176 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,189 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,266 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,291 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,395 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:05:46,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:05:46,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:05:46,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:05:46,396 INFO L87 Difference]: Start difference. First operand 2134 states and 6516 transitions. Second operand 5 states. [2020-10-16 13:05:46,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:46,453 INFO L93 Difference]: Finished difference Result 1821 states and 5096 transitions. [2020-10-16 13:05:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:05:46,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 13:05:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:46,458 INFO L225 Difference]: With dead ends: 1821 [2020-10-16 13:05:46,459 INFO L226 Difference]: Without dead ends: 1381 [2020-10-16 13:05:46,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 14 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 13:05:46,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2020-10-16 13:05:46,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2020-10-16 13:05:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-10-16 13:05:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 3793 transitions. [2020-10-16 13:05:46,492 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 3793 transitions. Word has length 18 [2020-10-16 13:05:46,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:46,492 INFO L481 AbstractCegarLoop]: Abstraction has 1381 states and 3793 transitions. [2020-10-16 13:05:46,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:05:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 3793 transitions. [2020-10-16 13:05:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 13:05:46,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:46,497 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] [2020-10-16 13:05:46,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 13:05:46,497 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:46,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:46,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1471053827, now seen corresponding path program 1 times [2020-10-16 13:05:46,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:46,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080131123] [2020-10-16 13:05:46,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:46,593 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 13:05:46,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080131123] [2020-10-16 13:05:46,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:46,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 13:05:46,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [376790429] [2020-10-16 13:05:46,595 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:46,598 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:46,619 INFO L258 McrAutomatonBuilder]: Finished intersection with 94 states and 171 transitions. [2020-10-16 13:05:46,620 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:46,709 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,728 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 13:05:46,814 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [98523#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 13:05:46,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 13:05:46,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:46,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 13:05:46,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 13:05:46,816 INFO L87 Difference]: Start difference. First operand 1381 states and 3793 transitions. Second operand 7 states. [2020-10-16 13:05:46,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:46,884 INFO L93 Difference]: Finished difference Result 1228 states and 3330 transitions. [2020-10-16 13:05:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 13:05:46,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-16 13:05:46,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:46,888 INFO L225 Difference]: With dead ends: 1228 [2020-10-16 13:05:46,888 INFO L226 Difference]: Without dead ends: 938 [2020-10-16 13:05:46,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 9 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:05:46,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-10-16 13:05:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2020-10-16 13:05:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-10-16 13:05:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 2537 transitions. [2020-10-16 13:05:46,909 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 2537 transitions. Word has length 21 [2020-10-16 13:05:46,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:46,910 INFO L481 AbstractCegarLoop]: Abstraction has 938 states and 2537 transitions. [2020-10-16 13:05:46,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 13:05:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2537 transitions. [2020-10-16 13:05:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 13:05:46,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:46,912 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] [2020-10-16 13:05:46,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 13:05:46,913 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:46,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:46,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1327711953, now seen corresponding path program 1 times [2020-10-16 13:05:46,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:46,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253722382] [2020-10-16 13:05:46,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:05:47,039 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 13:05:47,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253722382] [2020-10-16 13:05:47,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:05:47,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 13:05:47,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [633090166] [2020-10-16 13:05:47,040 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:05:47,045 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:05:47,154 INFO L258 McrAutomatonBuilder]: Finished intersection with 91 states and 162 transitions. [2020-10-16 13:05:47,154 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:05:47,335 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [101637#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 13:05:47,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 13:05:47,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:05:47,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 13:05:47,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:05:47,337 INFO L87 Difference]: Start difference. First operand 938 states and 2537 transitions. Second operand 8 states. [2020-10-16 13:05:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:05:47,421 INFO L93 Difference]: Finished difference Result 909 states and 2480 transitions. [2020-10-16 13:05:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 13:05:47,422 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-16 13:05:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:05:47,423 INFO L225 Difference]: With dead ends: 909 [2020-10-16 13:05:47,424 INFO L226 Difference]: Without dead ends: 343 [2020-10-16 13:05:47,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-16 13:05:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-16 13:05:47,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-16 13:05:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-16 13:05:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 940 transitions. [2020-10-16 13:05:47,433 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 940 transitions. Word has length 24 [2020-10-16 13:05:47,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:05:47,433 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 940 transitions. [2020-10-16 13:05:47,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 13:05:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 940 transitions. [2020-10-16 13:05:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 13:05:47,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:05:47,435 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, 1, 1, 1] [2020-10-16 13:05:47,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 13:05:47,435 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:05:47,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:05:47,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1616850761, now seen corresponding path program 1 times [2020-10-16 13:05:47,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:05:47,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432487196] [2020-10-16 13:05:47,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:05:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:05:47,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:05:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 13:05:47,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 13:05:47,756 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 13:05:47,756 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 13:05:47,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 13:05:47,758 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 13:05:47,792 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1161] [1161] L862-->L869: Formula: (let ((.cse7 (= (mod ~a$w_buff1_used~0_In2117215915 256) 0)) (.cse6 (= (mod ~a$r_buff1_thd0~0_In2117215915 256) 0)) (.cse9 (= (mod ~a$r_buff0_thd0~0_In2117215915 256) 0)) (.cse8 (= (mod ~a$w_buff0_used~0_In2117215915 256) 0))) (let ((.cse3 (or .cse9 .cse8)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse1 (not .cse6)) (.cse2 (not .cse7)) (.cse0 (or .cse6 .cse7))) (and (or (and (or (and .cse0 (= ~a~0_In2117215915 ~a~0_Out2117215915)) (and (= ~a~0_Out2117215915 ~a$w_buff1~0_In2117215915) .cse1 .cse2)) .cse3) (and (= ~a$w_buff0~0_In2117215915 ~a~0_Out2117215915) .cse4 .cse5)) (= ~a$r_buff1_thd0~0_Out2117215915 ~a$r_buff1_thd0~0_In2117215915) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out2117215915 0)) (or (and (= ~a$w_buff0_used~0_In2117215915 ~a$w_buff0_used~0_Out2117215915) .cse3) (and (= ~a$w_buff0_used~0_Out2117215915 0) .cse4 .cse5)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out2117215915 |ULTIMATE.start_assume_abort_if_not_#in~cond_In2117215915|) (= ~a$r_buff0_thd0~0_In2117215915 ~a$r_buff0_thd0~0_Out2117215915) (or (and (= ~a$w_buff1_used~0_Out2117215915 0) .cse1 .cse2) (and .cse0 (= ~a$w_buff1_used~0_In2117215915 ~a$w_buff1_used~0_Out2117215915)))))) InVars {~a~0=~a~0_In2117215915, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In2117215915|, ~a$w_buff1~0=~a$w_buff1~0_In2117215915, ~a$w_buff0~0=~a$w_buff0~0_In2117215915, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In2117215915, ~a$w_buff0_used~0=~a$w_buff0_used~0_In2117215915, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In2117215915, ~a$w_buff1_used~0=~a$w_buff1_used~0_In2117215915} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out2117215915|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out2117215915, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out2117215915|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out2117215915, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out2117215915|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out2117215915|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out2117215915|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out2117215915|, ~a~0=~a~0_Out2117215915, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In2117215915|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out2117215915, ~a$w_buff1~0=~a$w_buff1~0_In2117215915, ~a$w_buff0~0=~a$w_buff0~0_In2117215915, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out2117215915, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out2117215915} AuxVars[] AssignedVars[~a~0, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite58, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ~a$w_buff1_used~0, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ULTIMATE.start_main_#t~ite55] because there is no mapped edge [2020-10-16 13:05:47,800 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 13:05:47,801 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,807 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 13:05:47,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,808 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 13:05:47,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,808 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 13:05:47,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,808 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 13:05:47,809 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,809 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 13:05:47,809 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,810 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 13:05:47,810 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,810 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 13:05:47,810 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,811 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 13:05:47,811 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,811 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 13:05:47,811 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,811 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 13:05:47,811 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,812 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 13:05:47,812 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,814 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 13:05:47,814 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,814 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 13:05:47,814 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,815 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 13:05:47,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,815 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 13:05:47,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,820 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 13:05:47,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,820 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 13:05:47,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,820 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 13:05:47,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,821 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 13:05:47,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,821 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 13:05:47,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,821 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 13:05:47,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,822 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 13:05:47,822 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,822 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 13:05:47,823 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,823 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 13:05:47,823 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,823 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 13:05:47,823 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,824 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 13:05:47,824 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,824 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 13:05:47,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,825 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 13:05:47,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,825 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 13:05:47,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,826 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 13:05:47,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,826 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 13:05:47,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,826 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 13:05:47,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,826 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 13:05:47,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,827 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 13:05:47,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 13:05:47,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:05:47 BasicIcfg [2020-10-16 13:05:47,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:05:47,941 INFO L168 Benchmark]: Toolchain (without parser) took 12416.58 ms. Allocated memory was 140.0 MB in the beginning and 503.8 MB in the end (delta: 363.9 MB). Free memory was 101.6 MB in the beginning and 289.7 MB in the end (delta: -188.1 MB). Peak memory consumption was 175.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:05:47,942 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:05:47,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.44 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 152.4 MB in the end (delta: -51.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-10-16 13:05:47,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.84 ms. Allocated memory is still 202.4 MB. Free memory was 152.4 MB in the beginning and 149.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:05:47,944 INFO L168 Benchmark]: Boogie Preprocessor took 44.42 ms. Allocated memory is still 202.4 MB. Free memory was 149.7 MB in the beginning and 147.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:05:47,945 INFO L168 Benchmark]: RCFGBuilder took 2411.15 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 147.0 MB in the beginning and 136.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 101.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:05:47,946 INFO L168 Benchmark]: TraceAbstraction took 9172.84 ms. Allocated memory was 248.0 MB in the beginning and 503.8 MB in the end (delta: 255.9 MB). Free memory was 136.8 MB in the beginning and 289.7 MB in the end (delta: -152.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:05:47,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.44 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 152.4 MB in the end (delta: -51.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.84 ms. Allocated memory is still 202.4 MB. Free memory was 152.4 MB in the beginning and 149.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.42 ms. Allocated memory is still 202.4 MB. Free memory was 149.7 MB in the beginning and 147.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2411.15 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 147.0 MB in the beginning and 136.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 101.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9172.84 ms. Allocated memory was 248.0 MB in the beginning and 503.8 MB in the end (delta: 255.9 MB). Free memory was 136.8 MB in the beginning and 289.7 MB in the end (delta: -152.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1330 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 137 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 122 PlacesBefore, 47 PlacesAfterwards, 111 TransitionsBefore, 34 TransitionsAfterwards, 2714 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 90 TotalNumberOfCompositions, 7937 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_p3_EAX = 0; [L703] 0 int __unbuffered_p3_EBX = 0; [L705] 0 int a = 0; [L706] 0 _Bool a$flush_delayed; [L707] 0 int a$mem_tmp; [L708] 0 _Bool a$r_buff0_thd0; [L709] 0 _Bool a$r_buff0_thd1; [L710] 0 _Bool a$r_buff0_thd2; [L711] 0 _Bool a$r_buff0_thd3; [L712] 0 _Bool a$r_buff0_thd4; [L713] 0 _Bool a$r_buff1_thd0; [L714] 0 _Bool a$r_buff1_thd1; [L715] 0 _Bool a$r_buff1_thd2; [L716] 0 _Bool a$r_buff1_thd3; [L717] 0 _Bool a$r_buff1_thd4; [L718] 0 _Bool a$read_delayed; [L719] 0 int *a$read_delayed_var; [L720] 0 int a$w_buff0; [L721] 0 _Bool a$w_buff0_used; [L722] 0 int a$w_buff1; [L723] 0 _Bool a$w_buff1_used; [L724] 0 _Bool main$tmp_guard0; [L725] 0 _Bool main$tmp_guard1; [L727] 0 int x = 0; [L729] 0 int y = 0; [L731] 0 int z = 0; [L732] 0 _Bool weak$$choice0; [L733] 0 _Bool weak$$choice2; [L851] 0 pthread_t t817; [L852] FCALL, FORK 0 pthread_create(&t817, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L737] 1 a$w_buff1 = a$w_buff0 [L738] 1 a$w_buff0 = 1 [L739] 1 a$w_buff1_used = a$w_buff0_used [L740] 1 a$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L742] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L743] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L744] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L745] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L746] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L747] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L853] 0 pthread_t t818; [L854] FCALL, FORK 0 pthread_create(&t818, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L773] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L773] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L774] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L774] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L775] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L775] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L776] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L776] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L777] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L777] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L855] 0 pthread_t t819; [L856] FCALL, FORK 0 pthread_create(&t819, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L787] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L790] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L793] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L793] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L793] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L793] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L794] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L794] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L795] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L795] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L796] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L796] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L797] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L797] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 3 return 0; [L857] 0 pthread_t t820; [L858] FCALL, FORK 0 pthread_create(&t820, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L807] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L810] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L813] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L814] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L815] 4 a$flush_delayed = weak$$choice2 [L816] 4 a$mem_tmp = a [L817] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L817] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L817] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L817] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L818] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L818] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L819] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L819] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L820] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L820] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L820] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L820] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L820] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L820] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L821] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L821] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L822] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L823] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L823] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L824] 4 __unbuffered_p3_EBX = a [L825] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L825] 4 a = a$flush_delayed ? a$mem_tmp : a [L826] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, 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=0, x=2, y=2, z=2] [L829] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L829] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L829] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L829] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L830] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L830] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L831] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L831] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L832] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L832] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L833] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L833] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L836] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L838] 4 return 0; [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L753] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L753] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L754] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L754] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L755] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L755] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L756] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L756] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L757] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L757] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L871] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __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_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=9, weak$$choice2=0, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 110 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.8s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 414 SDtfs, 384 SDslu, 559 SDs, 0 SdLazy, 184 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 243 SyntacticMatches, 48 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred 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: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 726 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 7481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...