/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/safe004_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:07:43,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:07:43,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:07:43,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:07:43,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:07:43,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:07:43,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:07:43,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:07:43,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:07:43,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:07:43,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:07:43,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:07:43,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:07:43,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:07:43,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:07:43,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:07:43,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:07:43,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:07:43,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:07:43,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:07:43,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:07:43,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:07:43,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:07:43,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:07:43,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:07:43,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:07:43,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:07:43,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:07:43,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:07:43,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:07:43,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:07:43,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:07:43,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:07:43,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:07:43,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:07:43,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:07:43,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:07:43,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:07:43,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:07:43,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:07:43,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:07:43,255 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 12:07:43,305 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:07:43,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:07:43,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:07:43,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:07:43,308 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:07:43,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:07:43,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:07:43,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:07:43,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:07:43,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:07:43,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:07:43,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:07:43,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:07:43,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:07:43,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:07:43,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:07:43,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:07:43,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:07:43,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:07:43,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:07:43,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:07:43,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:07:43,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:07:43,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:07:43,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:07:43,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:07:43,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:07:43,314 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:07:43,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:07:43,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:07:43,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:07:43,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:07:43,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:07:43,602 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:07:43,603 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_rmo.oepc.i [2020-10-16 12:07:43,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a8401113/8f78114b4a104e0da7b0b64ac979c44b/FLAG84b433934 [2020-10-16 12:07:44,248 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:07:44,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe004_rmo.oepc.i [2020-10-16 12:07:44,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a8401113/8f78114b4a104e0da7b0b64ac979c44b/FLAG84b433934 [2020-10-16 12:07:44,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a8401113/8f78114b4a104e0da7b0b64ac979c44b [2020-10-16 12:07:44,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:07:44,498 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:07:44,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:07:44,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:07:44,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:07:44,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:07:44" (1/1) ... [2020-10-16 12:07:44,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702b61ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:44, skipping insertion in model container [2020-10-16 12:07:44,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:07:44" (1/1) ... [2020-10-16 12:07:44,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:07:44,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:07:45,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:07:45,159 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:07:45,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:07:45,331 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:07:45,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45 WrapperNode [2020-10-16 12:07:45,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:07:45,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:07:45,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:07:45,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:07:45,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:07:45,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:07:45,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:07:45,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:07:45,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (1/1) ... [2020-10-16 12:07:45,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:07:45,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:07:45,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:07:45,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:07:45,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (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 12:07:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:07:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:07:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:07:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:07:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:07:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:07:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:07:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:07:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:07:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:07:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:07:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:07:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:07:45,590 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 12:07:49,151 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:07:49,152 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:07:49,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:07:49 BoogieIcfgContainer [2020-10-16 12:07:49,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:07:49,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:07:49,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:07:49,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:07:49,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:07:44" (1/3) ... [2020-10-16 12:07:49,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359ed64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:07:49, skipping insertion in model container [2020-10-16 12:07:49,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:45" (2/3) ... [2020-10-16 12:07:49,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359ed64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:07:49, skipping insertion in model container [2020-10-16 12:07:49,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:07:49" (3/3) ... [2020-10-16 12:07:49,163 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_rmo.oepc.i [2020-10-16 12:07:49,176 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:07:49,176 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:07:49,185 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:07:49,186 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:07:49,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,223 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,223 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,226 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,227 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,240 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,254 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,271 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,273 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:49,277 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:07:49,291 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:07:49,314 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:07:49,314 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:07:49,314 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:07:49,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:07:49,314 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:07:49,314 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:07:49,315 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:07:49,315 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:07:49,329 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:07:49,330 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 199 flow [2020-10-16 12:07:49,333 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 92 transitions, 199 flow [2020-10-16 12:07:49,335 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 199 flow [2020-10-16 12:07:49,380 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2020-10-16 12:07:49,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:07:49,385 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-16 12:07:49,391 INFO L117 LiptonReduction]: Number of co-enabled transitions 1650 [2020-10-16 12:07:49,812 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:07:51,147 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 215 DAG size of output: 175 [2020-10-16 12:07:51,734 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2020-10-16 12:07:51,979 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-10-16 12:07:53,461 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-16 12:07:53,576 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-16 12:07:53,584 INFO L132 LiptonReduction]: Checked pairs total: 4724 [2020-10-16 12:07:53,585 INFO L134 LiptonReduction]: Total number of compositions: 74 [2020-10-16 12:07:53,591 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-16 12:07:53,709 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1124 states. [2020-10-16 12:07:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states. [2020-10-16 12:07:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:07:53,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:53,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:07:53,746 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:53,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:53,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1682659, now seen corresponding path program 1 times [2020-10-16 12:07:53,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:53,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641245989] [2020-10-16 12:07:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:54,040 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 12:07:54,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641245989] [2020-10-16 12:07:54,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:54,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:07:54,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324130034] [2020-10-16 12:07:54,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:07:54,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:54,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:07:54,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:07:54,071 INFO L87 Difference]: Start difference. First operand 1124 states. Second operand 3 states. [2020-10-16 12:07:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:54,226 INFO L93 Difference]: Finished difference Result 937 states and 3000 transitions. [2020-10-16 12:07:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:07:54,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:07:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:54,256 INFO L225 Difference]: With dead ends: 937 [2020-10-16 12:07:54,257 INFO L226 Difference]: Without dead ends: 687 [2020-10-16 12:07:54,258 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 12:07:54,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-16 12:07:54,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2020-10-16 12:07:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-16 12:07:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 2150 transitions. [2020-10-16 12:07:54,415 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 2150 transitions. Word has length 3 [2020-10-16 12:07:54,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:54,415 INFO L481 AbstractCegarLoop]: Abstraction has 687 states and 2150 transitions. [2020-10-16 12:07:54,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:07:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2150 transitions. [2020-10-16 12:07:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:07:54,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:54,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:54,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:07:54,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:54,423 INFO L82 PathProgramCache]: Analyzing trace with hash 2131254964, now seen corresponding path program 1 times [2020-10-16 12:07:54,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:54,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015102724] [2020-10-16 12:07:54,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:54,698 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 12:07:54,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015102724] [2020-10-16 12:07:54,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:54,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:07:54,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385125000] [2020-10-16 12:07:54,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:54,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:54,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:54,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:54,702 INFO L87 Difference]: Start difference. First operand 687 states and 2150 transitions. Second operand 4 states. [2020-10-16 12:07:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:54,762 INFO L93 Difference]: Finished difference Result 762 states and 2295 transitions. [2020-10-16 12:07:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:07:54,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-16 12:07:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:54,770 INFO L225 Difference]: With dead ends: 762 [2020-10-16 12:07:54,770 INFO L226 Difference]: Without dead ends: 637 [2020-10-16 12:07:54,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:07:54,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-16 12:07:54,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2020-10-16 12:07:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-16 12:07:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1970 transitions. [2020-10-16 12:07:54,801 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1970 transitions. Word has length 10 [2020-10-16 12:07:54,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:54,802 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 1970 transitions. [2020-10-16 12:07:54,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1970 transitions. [2020-10-16 12:07:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:07:54,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:54,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:54,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:07:54,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:54,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1644477595, now seen corresponding path program 1 times [2020-10-16 12:07:54,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:54,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58146735] [2020-10-16 12:07:54,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:55,034 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 12:07:55,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58146735] [2020-10-16 12:07:55,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:55,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:07:55,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791723214] [2020-10-16 12:07:55,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:55,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:55,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:55,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:55,037 INFO L87 Difference]: Start difference. First operand 637 states and 1970 transitions. Second operand 4 states. [2020-10-16 12:07:55,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:55,104 INFO L93 Difference]: Finished difference Result 721 states and 2153 transitions. [2020-10-16 12:07:55,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:07:55,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 12:07:55,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:55,110 INFO L225 Difference]: With dead ends: 721 [2020-10-16 12:07:55,110 INFO L226 Difference]: Without dead ends: 621 [2020-10-16 12:07:55,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:07:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-10-16 12:07:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2020-10-16 12:07:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-16 12:07:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 1910 transitions. [2020-10-16 12:07:55,134 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 1910 transitions. Word has length 11 [2020-10-16 12:07:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:55,134 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 1910 transitions. [2020-10-16 12:07:55,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1910 transitions. [2020-10-16 12:07:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:07:55,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:55,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:55,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:07:55,141 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:55,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:55,141 INFO L82 PathProgramCache]: Analyzing trace with hash -348733536, now seen corresponding path program 1 times [2020-10-16 12:07:55,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:55,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899583923] [2020-10-16 12:07:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:55,349 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 12:07:55,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899583923] [2020-10-16 12:07:55,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:55,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:07:55,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248219146] [2020-10-16 12:07:55,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:07:55,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:55,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:07:55,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:07:55,352 INFO L87 Difference]: Start difference. First operand 621 states and 1910 transitions. Second operand 5 states. [2020-10-16 12:07:55,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:55,456 INFO L93 Difference]: Finished difference Result 667 states and 1982 transitions. [2020-10-16 12:07:55,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:07:55,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-16 12:07:55,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:55,462 INFO L225 Difference]: With dead ends: 667 [2020-10-16 12:07:55,462 INFO L226 Difference]: Without dead ends: 575 [2020-10-16 12:07:55,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:07:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-10-16 12:07:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2020-10-16 12:07:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-16 12:07:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1746 transitions. [2020-10-16 12:07:55,482 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1746 transitions. Word has length 12 [2020-10-16 12:07:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:55,483 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 1746 transitions. [2020-10-16 12:07:55,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:07:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1746 transitions. [2020-10-16 12:07:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:07:55,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:55,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:55,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:07:55,485 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:55,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:55,485 INFO L82 PathProgramCache]: Analyzing trace with hash 2074218515, now seen corresponding path program 1 times [2020-10-16 12:07:55,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:55,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553679311] [2020-10-16 12:07:55,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:55,669 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 12:07:55,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553679311] [2020-10-16 12:07:55,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:55,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:07:55,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964752559] [2020-10-16 12:07:55,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:07:55,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:55,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:07:55,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:07:55,672 INFO L87 Difference]: Start difference. First operand 575 states and 1746 transitions. Second operand 7 states. [2020-10-16 12:07:55,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:55,891 INFO L93 Difference]: Finished difference Result 914 states and 2770 transitions. [2020-10-16 12:07:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:07:55,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-16 12:07:55,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:55,896 INFO L225 Difference]: With dead ends: 914 [2020-10-16 12:07:55,897 INFO L226 Difference]: Without dead ends: 545 [2020-10-16 12:07:55,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:07:55,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-10-16 12:07:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2020-10-16 12:07:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-16 12:07:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 1636 transitions. [2020-10-16 12:07:55,919 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 1636 transitions. Word has length 13 [2020-10-16 12:07:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:55,920 INFO L481 AbstractCegarLoop]: Abstraction has 545 states and 1636 transitions. [2020-10-16 12:07:55,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:07:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1636 transitions. [2020-10-16 12:07:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:07:55,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:55,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:55,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:07:55,923 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:55,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:55,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2136888028, now seen corresponding path program 1 times [2020-10-16 12:07:55,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:55,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005772250] [2020-10-16 12:07:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:56,116 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 12:07:56,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005772250] [2020-10-16 12:07:56,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:56,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:07:56,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725346020] [2020-10-16 12:07:56,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:56,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:56,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:56,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:56,119 INFO L87 Difference]: Start difference. First operand 545 states and 1636 transitions. Second operand 4 states. [2020-10-16 12:07:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:56,163 INFO L93 Difference]: Finished difference Result 884 states and 2555 transitions. [2020-10-16 12:07:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:07:56,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:07:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:56,168 INFO L225 Difference]: With dead ends: 884 [2020-10-16 12:07:56,168 INFO L226 Difference]: Without dead ends: 599 [2020-10-16 12:07:56,169 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 12:07:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-10-16 12:07:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 527. [2020-10-16 12:07:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-10-16 12:07:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 1508 transitions. [2020-10-16 12:07:56,189 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 1508 transitions. Word has length 14 [2020-10-16 12:07:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:56,189 INFO L481 AbstractCegarLoop]: Abstraction has 527 states and 1508 transitions. [2020-10-16 12:07:56,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1508 transitions. [2020-10-16 12:07:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:07:56,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:56,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:56,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:07:56,191 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:56,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:56,191 INFO L82 PathProgramCache]: Analyzing trace with hash 86001572, now seen corresponding path program 1 times [2020-10-16 12:07:56,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:56,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109899845] [2020-10-16 12:07:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:56,408 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 12:07:56,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109899845] [2020-10-16 12:07:56,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:56,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:07:56,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815259438] [2020-10-16 12:07:56,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:07:56,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:56,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:07:56,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:07:56,410 INFO L87 Difference]: Start difference. First operand 527 states and 1508 transitions. Second operand 7 states. [2020-10-16 12:07:56,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:56,666 INFO L93 Difference]: Finished difference Result 787 states and 2223 transitions. [2020-10-16 12:07:56,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:07:56,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 12:07:56,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:56,671 INFO L225 Difference]: With dead ends: 787 [2020-10-16 12:07:56,671 INFO L226 Difference]: Without dead ends: 499 [2020-10-16 12:07:56,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:07:56,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-16 12:07:56,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2020-10-16 12:07:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-10-16 12:07:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 1395 transitions. [2020-10-16 12:07:56,690 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 1395 transitions. Word has length 14 [2020-10-16 12:07:56,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:56,690 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 1395 transitions. [2020-10-16 12:07:56,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:07:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1395 transitions. [2020-10-16 12:07:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:07:56,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:56,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:56,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:07:56,692 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:56,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:56,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1730101075, now seen corresponding path program 1 times [2020-10-16 12:07:56,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:56,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798477150] [2020-10-16 12:07:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:56,840 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 12:07:56,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798477150] [2020-10-16 12:07:56,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:56,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:07:56,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865726821] [2020-10-16 12:07:56,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:07:56,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:56,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:07:56,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:07:56,842 INFO L87 Difference]: Start difference. First operand 499 states and 1395 transitions. Second operand 5 states. [2020-10-16 12:07:57,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:57,031 INFO L93 Difference]: Finished difference Result 712 states and 1921 transitions. [2020-10-16 12:07:57,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:07:57,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 12:07:57,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:57,036 INFO L225 Difference]: With dead ends: 712 [2020-10-16 12:07:57,036 INFO L226 Difference]: Without dead ends: 471 [2020-10-16 12:07:57,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:07:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-10-16 12:07:57,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2020-10-16 12:07:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-16 12:07:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 1262 transitions. [2020-10-16 12:07:57,053 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 1262 transitions. Word has length 14 [2020-10-16 12:07:57,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:57,053 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 1262 transitions. [2020-10-16 12:07:57,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:07:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1262 transitions. [2020-10-16 12:07:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:07:57,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:57,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:57,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:07:57,055 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:57,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2093475296, now seen corresponding path program 1 times [2020-10-16 12:07:57,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:57,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339433348] [2020-10-16 12:07:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:57,387 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 12:07:57,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339433348] [2020-10-16 12:07:57,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:57,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:07:57,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67778048] [2020-10-16 12:07:57,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:07:57,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:57,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:07:57,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:07:57,390 INFO L87 Difference]: Start difference. First operand 471 states and 1262 transitions. Second operand 7 states. [2020-10-16 12:07:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:57,737 INFO L93 Difference]: Finished difference Result 506 states and 1332 transitions. [2020-10-16 12:07:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:07:57,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-10-16 12:07:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:57,743 INFO L225 Difference]: With dead ends: 506 [2020-10-16 12:07:57,743 INFO L226 Difference]: Without dead ends: 476 [2020-10-16 12:07:57,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:07:57,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-16 12:07:57,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 473. [2020-10-16 12:07:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-16 12:07:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 1261 transitions. [2020-10-16 12:07:57,758 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 1261 transitions. Word has length 15 [2020-10-16 12:07:57,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:57,759 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 1261 transitions. [2020-10-16 12:07:57,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:07:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1261 transitions. [2020-10-16 12:07:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:07:57,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:57,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:57,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:07:57,760 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:57,761 INFO L82 PathProgramCache]: Analyzing trace with hash 773110718, now seen corresponding path program 1 times [2020-10-16 12:07:57,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:57,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754333482] [2020-10-16 12:07:57,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:57,912 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 12:07:57,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754333482] [2020-10-16 12:07:57,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:57,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:07:57,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536413962] [2020-10-16 12:07:57,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:07:57,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:57,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:07:57,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:07:57,915 INFO L87 Difference]: Start difference. First operand 473 states and 1261 transitions. Second operand 8 states. [2020-10-16 12:07:58,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:58,239 INFO L93 Difference]: Finished difference Result 561 states and 1447 transitions. [2020-10-16 12:07:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:07:58,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-16 12:07:58,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:58,243 INFO L225 Difference]: With dead ends: 561 [2020-10-16 12:07:58,243 INFO L226 Difference]: Without dead ends: 415 [2020-10-16 12:07:58,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:07:58,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-10-16 12:07:58,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 411. [2020-10-16 12:07:58,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-10-16 12:07:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 1089 transitions. [2020-10-16 12:07:58,257 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 1089 transitions. Word has length 15 [2020-10-16 12:07:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:58,257 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 1089 transitions. [2020-10-16 12:07:58,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:07:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1089 transitions. [2020-10-16 12:07:58,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:07:58,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:58,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:58,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:07:58,259 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:58,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1509510799, now seen corresponding path program 1 times [2020-10-16 12:07:58,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:58,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888575857] [2020-10-16 12:07:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:58,821 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 12:07:58,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888575857] [2020-10-16 12:07:58,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:58,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:07:58,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129975453] [2020-10-16 12:07:58,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:07:58,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:58,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:07:58,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:07:58,822 INFO L87 Difference]: Start difference. First operand 411 states and 1089 transitions. Second operand 9 states. [2020-10-16 12:07:59,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:59,444 INFO L93 Difference]: Finished difference Result 561 states and 1444 transitions. [2020-10-16 12:07:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 12:07:59,446 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-10-16 12:07:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:59,448 INFO L225 Difference]: With dead ends: 561 [2020-10-16 12:07:59,448 INFO L226 Difference]: Without dead ends: 187 [2020-10-16 12:07:59,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2020-10-16 12:07:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-16 12:07:59,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2020-10-16 12:07:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-16 12:07:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 418 transitions. [2020-10-16 12:07:59,455 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 418 transitions. Word has length 16 [2020-10-16 12:07:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:59,456 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 418 transitions. [2020-10-16 12:07:59,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:07:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 418 transitions. [2020-10-16 12:07:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:07:59,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:59,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:59,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:07:59,457 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:59,458 INFO L82 PathProgramCache]: Analyzing trace with hash -67242579, now seen corresponding path program 1 times [2020-10-16 12:07:59,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:59,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537982830] [2020-10-16 12:07:59,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:59,567 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 12:07:59,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537982830] [2020-10-16 12:07:59,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:59,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:07:59,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402602000] [2020-10-16 12:07:59,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:59,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:59,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:59,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:59,570 INFO L87 Difference]: Start difference. First operand 169 states and 418 transitions. Second operand 4 states. [2020-10-16 12:07:59,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:59,600 INFO L93 Difference]: Finished difference Result 166 states and 366 transitions. [2020-10-16 12:07:59,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:07:59,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-16 12:07:59,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:59,601 INFO L225 Difference]: With dead ends: 166 [2020-10-16 12:07:59,602 INFO L226 Difference]: Without dead ends: 129 [2020-10-16 12:07:59,602 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 12:07:59,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-16 12:07:59,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-10-16 12:07:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-16 12:07:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 282 transitions. [2020-10-16 12:07:59,606 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 282 transitions. Word has length 17 [2020-10-16 12:07:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:59,607 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 282 transitions. [2020-10-16 12:07:59,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 282 transitions. [2020-10-16 12:07:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:07:59,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:59,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:59,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:07:59,608 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:59,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:59,609 INFO L82 PathProgramCache]: Analyzing trace with hash 471043738, now seen corresponding path program 1 times [2020-10-16 12:07:59,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:59,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545321975] [2020-10-16 12:07:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:59,759 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 12:07:59,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545321975] [2020-10-16 12:07:59,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:59,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:07:59,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005127443] [2020-10-16 12:07:59,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:07:59,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:59,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:07:59,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:07:59,765 INFO L87 Difference]: Start difference. First operand 129 states and 282 transitions. Second operand 5 states. [2020-10-16 12:07:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:59,815 INFO L93 Difference]: Finished difference Result 106 states and 200 transitions. [2020-10-16 12:07:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:07:59,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 12:07:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:59,818 INFO L225 Difference]: With dead ends: 106 [2020-10-16 12:07:59,818 INFO L226 Difference]: Without dead ends: 85 [2020-10-16 12:07:59,818 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 12:07:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-16 12:07:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-16 12:07:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-16 12:07:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 154 transitions. [2020-10-16 12:07:59,823 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 154 transitions. Word has length 18 [2020-10-16 12:07:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:59,823 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 154 transitions. [2020-10-16 12:07:59,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:07:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 154 transitions. [2020-10-16 12:07:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:07:59,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:59,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:59,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:07:59,825 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:59,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:59,825 INFO L82 PathProgramCache]: Analyzing trace with hash -472385551, now seen corresponding path program 1 times [2020-10-16 12:07:59,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:59,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28978038] [2020-10-16 12:07:59,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:59,975 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 12:07:59,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28978038] [2020-10-16 12:07:59,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:59,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:07:59,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381135498] [2020-10-16 12:07:59,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:07:59,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:59,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:07:59,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:07:59,978 INFO L87 Difference]: Start difference. First operand 85 states and 154 transitions. Second operand 6 states. [2020-10-16 12:08:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:08:00,074 INFO L93 Difference]: Finished difference Result 70 states and 122 transitions. [2020-10-16 12:08:00,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:08:00,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-16 12:08:00,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:08:00,076 INFO L225 Difference]: With dead ends: 70 [2020-10-16 12:08:00,076 INFO L226 Difference]: Without dead ends: 63 [2020-10-16 12:08:00,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:08:00,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-16 12:08:00,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-16 12:08:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-16 12:08:00,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 110 transitions. [2020-10-16 12:08:00,079 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 110 transitions. Word has length 20 [2020-10-16 12:08:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:08:00,079 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 110 transitions. [2020-10-16 12:08:00,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:08:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2020-10-16 12:08:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:08:00,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:08:00,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:08:00,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:08:00,081 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:08:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:08:00,081 INFO L82 PathProgramCache]: Analyzing trace with hash -2135763506, now seen corresponding path program 1 times [2020-10-16 12:08:00,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:08:00,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898544851] [2020-10-16 12:08:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:08:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:08:00,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:08:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:08:00,292 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:08:00,355 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:08:00,355 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:08:00,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:08:00,383 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 12:08:00,384 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,391 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 12:08:00,391 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,391 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 12:08:00,392 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,393 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 12:08:00,393 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,393 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 12:08:00,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,394 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 12:08:00,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,394 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 12:08:00,394 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,396 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 12:08:00,396 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,396 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 12:08:00,396 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,396 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 12:08:00,397 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,397 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 12:08:00,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,398 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 12:08:00,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,398 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 12:08:00,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,399 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 12:08:00,399 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,399 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 12:08:00,399 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,399 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 12:08:00,399 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,400 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 12:08:00,400 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,400 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 12:08:00,400 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,400 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 12:08:00,400 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,405 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 12:08:00,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,406 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 12:08:00,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,406 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 12:08:00,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,407 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 12:08:00,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,407 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 12:08:00,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,407 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 12:08:00,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,408 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 12:08:00,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,408 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 12:08:00,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,408 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 12:08:00,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,409 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 12:08:00,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,409 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 12:08:00,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,409 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 12:08:00,410 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,410 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 12:08:00,410 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,410 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 12:08:00,410 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,411 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 12:08:00,411 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,411 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 12:08:00,411 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,412 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 12:08:00,412 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,412 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 12:08:00,413 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,413 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 12:08:00,413 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,413 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 12:08:00,413 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,413 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 12:08:00,413 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,414 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 12:08:00,414 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,414 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 12:08:00,414 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,414 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 12:08:00,414 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,415 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 12:08:00,415 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,415 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 12:08:00,415 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,415 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 12:08:00,415 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,416 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 12:08:00,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,416 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 12:08:00,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,417 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 12:08:00,417 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,417 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 12:08:00,417 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,418 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 12:08:00,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,418 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 12:08:00,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,418 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 12:08:00,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,418 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 12:08:00,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,419 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 12:08:00,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,419 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 12:08:00,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,420 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 12:08:00,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,420 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 12:08:00,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,420 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 12:08:00,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,420 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 12:08:00,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,421 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 12:08:00,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,421 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 12:08:00,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,421 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 12:08:00,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,422 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 12:08:00,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,422 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 12:08:00,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,422 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 12:08:00,423 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,423 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 12:08:00,423 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:08:00,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:08:00 BasicIcfg [2020-10-16 12:08:00,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:08:00,538 INFO L168 Benchmark]: Toolchain (without parser) took 16039.50 ms. Allocated memory was 141.0 MB in the beginning and 451.9 MB in the end (delta: 310.9 MB). Free memory was 102.9 MB in the beginning and 322.8 MB in the end (delta: -219.8 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:08:00,539 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:08:00,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.23 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 156.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:08:00,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 205.5 MB. Free memory was 156.3 MB in the beginning and 153.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:08:00,546 INFO L168 Benchmark]: Boogie Preprocessor took 56.13 ms. Allocated memory is still 205.5 MB. Free memory was 153.0 MB in the beginning and 149.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:08:00,547 INFO L168 Benchmark]: RCFGBuilder took 3690.96 ms. Allocated memory was 205.5 MB in the beginning and 294.6 MB in the end (delta: 89.1 MB). Free memory was 149.7 MB in the beginning and 249.4 MB in the end (delta: -99.7 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:08:00,550 INFO L168 Benchmark]: TraceAbstraction took 11379.74 ms. Allocated memory was 294.6 MB in the beginning and 451.9 MB in the end (delta: 157.3 MB). Free memory was 249.4 MB in the beginning and 322.8 MB in the end (delta: -73.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:08:00,556 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 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 835.23 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 156.3 MB in the end (delta: -53.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 205.5 MB. Free memory was 156.3 MB in the beginning and 153.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.13 ms. Allocated memory is still 205.5 MB. Free memory was 153.0 MB in the beginning and 149.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3690.96 ms. Allocated memory was 205.5 MB in the beginning and 294.6 MB in the end (delta: 89.1 MB). Free memory was 149.7 MB in the beginning and 249.4 MB in the end (delta: -99.7 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11379.74 ms. Allocated memory was 294.6 MB in the beginning and 451.9 MB in the end (delta: 157.3 MB). Free memory was 249.4 MB in the beginning and 322.8 MB in the end (delta: -73.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 806 VarBasedMoverChecksPositive, 28 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 82 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 100 PlacesBefore, 38 PlacesAfterwards, 92 TransitionsBefore, 29 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 4724 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p2_EAX = 0; [L702] 0 int __unbuffered_p2_EBX = 0; [L703] 0 _Bool main$tmp_guard0; [L704] 0 _Bool main$tmp_guard1; [L706] 0 int x = 0; [L708] 0 int y = 0; [L709] 0 _Bool y$flush_delayed; [L710] 0 int y$mem_tmp; [L711] 0 _Bool y$r_buff0_thd0; [L712] 0 _Bool y$r_buff0_thd1; [L713] 0 _Bool y$r_buff0_thd2; [L714] 0 _Bool y$r_buff0_thd3; [L715] 0 _Bool y$r_buff1_thd0; [L716] 0 _Bool y$r_buff1_thd1; [L717] 0 _Bool y$r_buff1_thd2; [L718] 0 _Bool y$r_buff1_thd3; [L719] 0 _Bool y$read_delayed; [L720] 0 int *y$read_delayed_var; [L721] 0 int y$w_buff0; [L722] 0 _Bool y$w_buff0_used; [L723] 0 int y$w_buff1; [L724] 0 _Bool y$w_buff1_used; [L725] 0 _Bool weak$$choice0; [L726] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1885; [L834] FCALL, FORK 0 pthread_create(&t1885, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L730] 1 y$w_buff1 = y$w_buff0 [L731] 1 y$w_buff0 = 2 [L732] 1 y$w_buff1_used = y$w_buff0_used [L733] 1 y$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L735] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L736] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L737] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L738] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L739] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 pthread_t t1886; [L836] FCALL, FORK 0 pthread_create(&t1886, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L759] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L762] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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=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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L765] 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) [L765] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L769] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L772] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L774] 2 return 0; [L837] 0 pthread_t t1887; [L838] FCALL, FORK 0 pthread_create(&t1887, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L779] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 3 y$flush_delayed = weak$$choice2 [L782] 3 y$mem_tmp = y [L783] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L783] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L783] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L783] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L784] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L784] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L785] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L785] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L785] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1 [L785] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L785] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L785] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L786] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L786] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L786] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L786] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L787] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L788] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L788] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L789] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L789] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] 3 __unbuffered_p2_EAX = y [L791] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L791] 3 y = y$flush_delayed ? y$mem_tmp : y [L792] 3 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L795] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L796] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L797] 3 y$flush_delayed = weak$$choice2 [L798] 3 y$mem_tmp = y [L799] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L799] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L800] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L800] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L800] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L800] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L801] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L801] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L802] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L802] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L802] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L802] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L802] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L803] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L803] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L803] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L804] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L804] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L805] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L805] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 __unbuffered_p2_EBX = y [L807] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L807] 3 y = y$flush_delayed ? y$mem_tmp : y [L808] 3 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L745] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L745] 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) [L745] 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) [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L746] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L747] 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 [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L748] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L749] 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 [L752] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L754] 1 return 0; [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L851] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L852] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L853] 0 y$flush_delayed = weak$$choice2 [L854] 0 y$mem_tmp = y [L855] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L855] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L856] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L856] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L856] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L856] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L857] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L857] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L857] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L857] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L858] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L858] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L859] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L859] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L861] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L863] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L863] 0 y = y$flush_delayed ? y$mem_tmp : y [L864] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 91 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.0s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 370 SDtfs, 514 SDslu, 759 SDs, 0 SdLazy, 571 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1124occurred 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: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 97 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 25358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...