/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:00:04,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:00:04,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:00:04,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:00:04,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:00:04,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:00:04,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:00:04,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:00:04,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:00:04,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:00:04,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:00:04,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:00:04,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:00:04,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:00:04,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:00:04,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:00:04,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:00:04,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:00:04,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:00:04,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:00:04,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:00:04,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:00:04,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:00:04,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:00:04,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:00:04,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:00:04,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:00:04,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:00:04,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:00:04,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:00:04,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:00:04,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:00:04,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:00:04,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:00:04,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:00:04,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:00:04,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:00:04,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:00:04,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:00:04,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:00:04,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:00:04,220 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.epf [2020-10-16 12:00:04,241 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:00:04,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:00:04,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:00:04,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:00:04,243 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:00:04,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:00:04,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:00:04,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:00:04,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:00:04,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:00:04,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:00:04,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:00:04,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:00:04,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:00:04,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:00:04,245 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:00:04,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:00:04,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:00:04,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:00:04,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:00:04,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:00:04,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:00:04,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:00:04,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:00:04,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:00:04,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:00:04,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:00:04,247 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:00:04,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:00:04,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:00:04,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:00:04,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:00:04,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:00:04,561 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:00:04,562 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2020-10-16 12:00:04,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc6f113ef/2c6f4f5bce8345c78588ae8c323b3df8/FLAG501a0dc16 [2020-10-16 12:00:05,169 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:00:05,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2020-10-16 12:00:05,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc6f113ef/2c6f4f5bce8345c78588ae8c323b3df8/FLAG501a0dc16 [2020-10-16 12:00:05,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc6f113ef/2c6f4f5bce8345c78588ae8c323b3df8 [2020-10-16 12:00:05,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:00:05,461 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:00:05,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:00:05,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:00:05,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:00:05,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:05" (1/1) ... [2020-10-16 12:00:05,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec1e5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:05, skipping insertion in model container [2020-10-16 12:00:05,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:05" (1/1) ... [2020-10-16 12:00:05,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:00:05,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:00:06,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:00:06,126 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:00:06,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:00:06,263 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:00:06,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06 WrapperNode [2020-10-16 12:00:06,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:00:06,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:00:06,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:00:06,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:00:06,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:00:06,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:00:06,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:00:06,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:00:06,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... [2020-10-16 12:00:06,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:00:06,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:00:06,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:00:06,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:00:06,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:00:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:00:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:00:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:00:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:00:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:00:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:00:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:00:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:00:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:00:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:00:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:00:06,438 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:00:08,189 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:00:08,189 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:00:08,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:08 BoogieIcfgContainer [2020-10-16 12:00:08,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:00:08,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:00:08,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:00:08,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:00:08,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:00:05" (1/3) ... [2020-10-16 12:00:08,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214495a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:08, skipping insertion in model container [2020-10-16 12:00:08,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:06" (2/3) ... [2020-10-16 12:00:08,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214495a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:08, skipping insertion in model container [2020-10-16 12:00:08,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:08" (3/3) ... [2020-10-16 12:00:08,200 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_pso.opt.i [2020-10-16 12:00:08,212 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:00:08,212 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:00:08,219 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:00:08,220 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:00:08,248 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,249 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,249 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,249 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,250 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,250 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,253 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,253 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,277 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,279 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,280 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,280 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,280 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,280 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,280 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,281 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,281 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,281 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:08,282 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:00:08,295 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:00:08,315 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:00:08,316 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:00:08,316 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:00:08,316 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:00:08,316 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:00:08,316 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:00:08,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:00:08,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:00:08,328 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:00:08,329 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 77 transitions, 164 flow [2020-10-16 12:00:08,332 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 77 transitions, 164 flow [2020-10-16 12:00:08,334 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 77 transitions, 164 flow [2020-10-16 12:00:08,370 INFO L129 PetriNetUnfolder]: 2/75 cut-off events. [2020-10-16 12:00:08,371 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:00:08,375 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 75 events. 2/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-16 12:00:08,377 INFO L117 LiptonReduction]: Number of co-enabled transitions 960 [2020-10-16 12:00:08,598 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-16 12:00:09,099 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:00:09,405 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:00:10,528 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-16 12:00:10,628 INFO L132 LiptonReduction]: Checked pairs total: 2674 [2020-10-16 12:00:10,628 INFO L134 LiptonReduction]: Total number of compositions: 66 [2020-10-16 12:00:10,635 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2020-10-16 12:00:10,653 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 194 states. [2020-10-16 12:00:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-10-16 12:00:10,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:00:10,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:10,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:00:10,662 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:10,668 INFO L82 PathProgramCache]: Analyzing trace with hash 902457, now seen corresponding path program 1 times [2020-10-16 12:00:10,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:10,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127524072] [2020-10-16 12:00:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:10,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127524072] [2020-10-16 12:00:10,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:10,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:10,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929349787] [2020-10-16 12:00:10,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:10,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:10,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:10,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:10,902 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 3 states. [2020-10-16 12:00:10,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:10,955 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-16 12:00:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:10,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:00:10,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:10,969 INFO L225 Difference]: With dead ends: 162 [2020-10-16 12:00:10,969 INFO L226 Difference]: Without dead ends: 132 [2020-10-16 12:00:10,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-16 12:00:11,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-16 12:00:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-16 12:00:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-16 12:00:11,025 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 3 [2020-10-16 12:00:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:11,026 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-16 12:00:11,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-16 12:00:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:00:11,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:11,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:11,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:00:11,028 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:11,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:11,028 INFO L82 PathProgramCache]: Analyzing trace with hash 269945931, now seen corresponding path program 1 times [2020-10-16 12:00:11,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:11,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263521749] [2020-10-16 12:00:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:11,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263521749] [2020-10-16 12:00:11,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:11,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:11,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54654288] [2020-10-16 12:00:11,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:11,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:11,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:11,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:11,128 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-16 12:00:11,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:11,144 INFO L93 Difference]: Finished difference Result 130 states and 300 transitions. [2020-10-16 12:00:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:11,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:00:11,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:11,147 INFO L225 Difference]: With dead ends: 130 [2020-10-16 12:00:11,147 INFO L226 Difference]: Without dead ends: 130 [2020-10-16 12:00:11,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:11,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-16 12:00:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-10-16 12:00:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-16 12:00:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 300 transitions. [2020-10-16 12:00:11,163 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 300 transitions. Word has length 7 [2020-10-16 12:00:11,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:11,163 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 300 transitions. [2020-10-16 12:00:11,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 300 transitions. [2020-10-16 12:00:11,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 12:00:11,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:11,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:11,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:00:11,165 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:11,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:11,166 INFO L82 PathProgramCache]: Analyzing trace with hash -221611342, now seen corresponding path program 1 times [2020-10-16 12:00:11,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:11,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781665227] [2020-10-16 12:00:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:11,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781665227] [2020-10-16 12:00:11,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:11,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:11,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609920226] [2020-10-16 12:00:11,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:11,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:11,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:11,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:11,269 INFO L87 Difference]: Start difference. First operand 130 states and 300 transitions. Second operand 3 states. [2020-10-16 12:00:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:11,276 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-10-16 12:00:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:11,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-16 12:00:11,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:11,278 INFO L225 Difference]: With dead ends: 122 [2020-10-16 12:00:11,278 INFO L226 Difference]: Without dead ends: 122 [2020-10-16 12:00:11,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:11,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-16 12:00:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-16 12:00:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-16 12:00:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-10-16 12:00:11,290 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 8 [2020-10-16 12:00:11,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:11,290 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-10-16 12:00:11,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-10-16 12:00:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:00:11,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:11,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:11,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:00:11,292 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:11,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:11,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1719981666, now seen corresponding path program 1 times [2020-10-16 12:00:11,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:11,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227976139] [2020-10-16 12:00:11,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:11,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227976139] [2020-10-16 12:00:11,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:11,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:00:11,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200606131] [2020-10-16 12:00:11,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:00:11,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:11,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:00:11,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:00:11,380 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 4 states. [2020-10-16 12:00:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:11,423 INFO L93 Difference]: Finished difference Result 100 states and 191 transitions. [2020-10-16 12:00:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:00:11,423 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 12:00:11,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:11,424 INFO L225 Difference]: With dead ends: 100 [2020-10-16 12:00:11,424 INFO L226 Difference]: Without dead ends: 70 [2020-10-16 12:00:11,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-16 12:00:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-10-16 12:00:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-16 12:00:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 122 transitions. [2020-10-16 12:00:11,430 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 122 transitions. Word has length 9 [2020-10-16 12:00:11,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:11,431 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 122 transitions. [2020-10-16 12:00:11,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:00:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 122 transitions. [2020-10-16 12:00:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:00:11,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:11,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:11,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:00:11,432 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:11,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:11,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1434363326, now seen corresponding path program 1 times [2020-10-16 12:00:11,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:11,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677488760] [2020-10-16 12:00:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:11,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677488760] [2020-10-16 12:00:11,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:11,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:00:11,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999363137] [2020-10-16 12:00:11,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:00:11,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:11,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:00:11,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:11,633 INFO L87 Difference]: Start difference. First operand 70 states and 122 transitions. Second operand 5 states. [2020-10-16 12:00:11,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:11,676 INFO L93 Difference]: Finished difference Result 55 states and 90 transitions. [2020-10-16 12:00:11,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:00:11,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-16 12:00:11,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:11,678 INFO L225 Difference]: With dead ends: 55 [2020-10-16 12:00:11,678 INFO L226 Difference]: Without dead ends: 45 [2020-10-16 12:00:11,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:00:11,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-16 12:00:11,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-16 12:00:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-16 12:00:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 72 transitions. [2020-10-16 12:00:11,683 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 72 transitions. Word has length 12 [2020-10-16 12:00:11,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:11,683 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 72 transitions. [2020-10-16 12:00:11,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:00:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-10-16 12:00:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:00:11,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:11,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:11,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:00:11,685 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:11,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1569296361, now seen corresponding path program 1 times [2020-10-16 12:00:11,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:11,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916329041] [2020-10-16 12:00:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:11,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916329041] [2020-10-16 12:00:11,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:11,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:00:11,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386880791] [2020-10-16 12:00:11,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:11,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:11,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:11,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:11,742 INFO L87 Difference]: Start difference. First operand 45 states and 72 transitions. Second operand 3 states. [2020-10-16 12:00:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:11,752 INFO L93 Difference]: Finished difference Result 62 states and 96 transitions. [2020-10-16 12:00:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:11,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 12:00:11,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:11,753 INFO L225 Difference]: With dead ends: 62 [2020-10-16 12:00:11,753 INFO L226 Difference]: Without dead ends: 35 [2020-10-16 12:00:11,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:11,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-16 12:00:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-16 12:00:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-16 12:00:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 52 transitions. [2020-10-16 12:00:11,757 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 52 transitions. Word has length 16 [2020-10-16 12:00:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:11,757 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 52 transitions. [2020-10-16 12:00:11,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2020-10-16 12:00:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:00:11,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:11,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:11,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:00:11,759 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:11,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:11,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2063278121, now seen corresponding path program 2 times [2020-10-16 12:00:11,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:11,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737294827] [2020-10-16 12:00:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:00:11,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737294827] [2020-10-16 12:00:11,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:11,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:00:11,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146873701] [2020-10-16 12:00:11,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:00:11,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:11,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:00:11,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:11,928 INFO L87 Difference]: Start difference. First operand 35 states and 52 transitions. Second operand 5 states. [2020-10-16 12:00:11,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:11,998 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2020-10-16 12:00:11,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:00:11,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 12:00:11,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:11,999 INFO L225 Difference]: With dead ends: 43 [2020-10-16 12:00:11,999 INFO L226 Difference]: Without dead ends: 25 [2020-10-16 12:00:12,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:00:12,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-16 12:00:12,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-16 12:00:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-16 12:00:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-10-16 12:00:12,002 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 16 [2020-10-16 12:00:12,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:12,003 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-16 12:00:12,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:00:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-10-16 12:00:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:00:12,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:12,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:12,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:00:12,006 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:12,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:12,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1492123079, now seen corresponding path program 3 times [2020-10-16 12:00:12,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:12,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772218061] [2020-10-16 12:00:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:00:12,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:00:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:00:12,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:00:12,139 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:00:12,139 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:00:12,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:00:12,142 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:00:12,156 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [873] [873] L806-->L813: Formula: (let ((.cse7 (= (mod ~y$w_buff1_used~0_In1797007031 256) 0)) (.cse6 (= (mod ~y$r_buff1_thd0~0_In1797007031 256) 0)) (.cse9 (= (mod ~y$r_buff0_thd0~0_In1797007031 256) 0)) (.cse8 (= (mod ~y$w_buff0_used~0_In1797007031 256) 0))) (let ((.cse4 (not .cse8)) (.cse5 (not .cse9)) (.cse0 (or .cse8 .cse9)) (.cse1 (not .cse6)) (.cse2 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and .cse0 (or (and .cse1 .cse2 (= ~y~0_Out1797007031 ~y$w_buff1~0_In1797007031)) (and (= ~y~0_Out1797007031 ~y~0_In1797007031) .cse3))) (and .cse4 (= ~y~0_Out1797007031 ~y$w_buff0~0_In1797007031) .cse5)) (not (= 0 ULTIMATE.start_assume_abort_if_not_~cond_Out1797007031)) (or (and .cse4 (= ~y$w_buff0_used~0_Out1797007031 0) .cse5) (and (= ~y$w_buff0_used~0_Out1797007031 ~y$w_buff0_used~0_In1797007031) .cse0)) (or (and (= ~y$w_buff1_used~0_Out1797007031 0) .cse1 .cse2) (and (= ~y$w_buff1_used~0_Out1797007031 ~y$w_buff1_used~0_In1797007031) .cse3)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1797007031 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1797007031|) (= ~y$r_buff0_thd0~0_In1797007031 ~y$r_buff0_thd0~0_Out1797007031) (= ~y$r_buff1_thd0~0_Out1797007031 ~y$r_buff1_thd0~0_In1797007031)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1797007031|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1797007031, ~y$w_buff1~0=~y$w_buff1~0_In1797007031, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1797007031, ~y$w_buff0~0=~y$w_buff0~0_In1797007031, ~y~0=~y~0_In1797007031, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1797007031, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1797007031} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out1797007031, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out1797007031|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out1797007031|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out1797007031|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out1797007031|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1797007031|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out1797007031|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out1797007031|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1797007031, ~y$w_buff1~0=~y$w_buff1~0_In1797007031, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out1797007031, ~y$w_buff0~0=~y$w_buff0~0_In1797007031, ~y~0=~y~0_Out1797007031, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out1797007031, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out1797007031} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite43, ~y~0, ULTIMATE.start_main_#t~ite42, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite44, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-16 12:00:12,161 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,161 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,167 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,168 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,168 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,168 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,168 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,168 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,168 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,169 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,172 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,172 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,172 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,176 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,176 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,177 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,177 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,177 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,177 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,177 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,177 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,178 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,178 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:00:12,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:12,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:12 BasicIcfg [2020-10-16 12:00:12,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:00:12,264 INFO L168 Benchmark]: Toolchain (without parser) took 6803.94 ms. Allocated memory was 147.8 MB in the beginning and 288.4 MB in the end (delta: 140.5 MB). Free memory was 102.4 MB in the beginning and 142.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 100.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:12,265 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:00:12,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.81 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 159.3 MB in the end (delta: -57.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:12,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.51 ms. Allocated memory is still 203.9 MB. Free memory was 159.3 MB in the beginning and 156.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:12,267 INFO L168 Benchmark]: Boogie Preprocessor took 35.62 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:12,268 INFO L168 Benchmark]: RCFGBuilder took 1829.55 ms. Allocated memory was 203.9 MB in the beginning and 248.0 MB in the end (delta: 44.0 MB). Free memory was 154.7 MB in the beginning and 200.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:12,269 INFO L168 Benchmark]: TraceAbstraction took 4069.62 ms. Allocated memory was 248.0 MB in the beginning and 288.4 MB in the end (delta: 40.4 MB). Free memory was 198.8 MB in the beginning and 142.4 MB in the end (delta: 56.5 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:12,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.81 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 159.3 MB in the end (delta: -57.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.51 ms. Allocated memory is still 203.9 MB. Free memory was 159.3 MB in the beginning and 156.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.62 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 154.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1829.55 ms. Allocated memory was 203.9 MB in the beginning and 248.0 MB in the end (delta: 44.0 MB). Free memory was 154.7 MB in the beginning and 200.6 MB in the end (delta: -45.9 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4069.62 ms. Allocated memory was 248.0 MB in the beginning and 288.4 MB in the end (delta: 40.4 MB). Free memory was 198.8 MB in the beginning and 142.4 MB in the end (delta: 56.5 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 492 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 42 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.2s, 82 PlacesBefore, 27 PlacesAfterwards, 77 TransitionsBefore, 20 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 7 FixpointIterations, 29 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 2674 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p1_EAX = 0; [L701] 0 int __unbuffered_p1_EBX = 0; [L702] 0 _Bool main$tmp_guard0; [L703] 0 _Bool main$tmp_guard1; [L705] 0 int x = 0; [L707] 0 int y = 0; [L708] 0 _Bool y$flush_delayed; [L709] 0 int y$mem_tmp; [L710] 0 _Bool y$r_buff0_thd0; [L711] 0 _Bool y$r_buff0_thd1; [L712] 0 _Bool y$r_buff0_thd2; [L713] 0 _Bool y$r_buff1_thd0; [L714] 0 _Bool y$r_buff1_thd1; [L715] 0 _Bool y$r_buff1_thd2; [L716] 0 _Bool y$read_delayed; [L717] 0 int *y$read_delayed_var; [L718] 0 int y$w_buff0; [L719] 0 _Bool y$w_buff0_used; [L720] 0 int y$w_buff1; [L721] 0 _Bool y$w_buff1_used; [L722] 0 _Bool weak$$choice0; [L723] 0 _Bool weak$$choice2; [L799] 0 pthread_t t591; [L800] FCALL, FORK 0 pthread_create(&t591, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L727] 1 y$w_buff1 = y$w_buff0 [L728] 1 y$w_buff0 = 1 [L729] 1 y$w_buff1_used = y$w_buff0_used [L730] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L732] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L733] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L734] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L735] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L801] 0 pthread_t t592; [L802] FCALL, FORK 0 pthread_create(&t592, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L761] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 2 y$flush_delayed = weak$$choice2 [L764] 2 y$mem_tmp = y [L765] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L765] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L766] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L766] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L766] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L766] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L767] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L767] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L768] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L768] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L768] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L769] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L770] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L771] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 __unbuffered_p1_EBX = y [L773] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L773] 2 y = y$flush_delayed ? y$mem_tmp : y [L774] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L741] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L742] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L742] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L743] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L743] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L744] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L745] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L777] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L778] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L779] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L780] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L781] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L748] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L750] 1 return 0; [L784] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L786] 2 return 0; [L804] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L815] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 129 SDtfs, 76 SDslu, 147 SDs, 0 SdLazy, 76 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 3018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...