/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/safe034_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:09:09,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:09:09,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:09:09,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:09:09,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:09:09,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:09:09,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:09:09,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:09:09,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:09:09,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:09:09,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:09:09,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:09:09,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:09:09,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:09:09,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:09:09,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:09:09,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:09:09,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:09:09,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:09:09,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:09:09,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:09:09,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:09:09,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:09:09,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:09:09,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:09:09,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:09:09,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:09:09,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:09:09,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:09:09,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:09:09,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:09:09,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:09:09,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:09:09,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:09:09,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:09:09,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:09:09,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:09:09,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:09:09,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:09:09,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:09:09,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:09:09,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:09:09,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:09:09,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:09:09,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:09:09,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:09:09,345 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:09:09,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:09:09,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:09:09,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:09:09,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:09:09,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:09:09,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:09:09,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:09:09,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:09:09,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:09:09,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:09:09,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:09:09,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:09:09,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:09:09,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:09:09,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:09:09,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:09:09,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:09:09,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:09:09,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:09:09,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:09:09,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:09:09,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:09:09,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:09:09,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:09:09,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:09:09,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:09:09,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:09:09,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:09:09,684 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:09:09,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_rmo.opt.i [2020-10-21 23:09:09,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc7436c4/e12b57d71e974dceb8af19086a0ba704/FLAG276802807 [2020-10-21 23:09:10,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:09:10,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_rmo.opt.i [2020-10-21 23:09:10,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc7436c4/e12b57d71e974dceb8af19086a0ba704/FLAG276802807 [2020-10-21 23:09:10,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fc7436c4/e12b57d71e974dceb8af19086a0ba704 [2020-10-21 23:09:10,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:09:10,654 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:09:10,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:09:10,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:09:10,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:09:10,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:09:10" (1/1) ... [2020-10-21 23:09:10,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79578f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:10, skipping insertion in model container [2020-10-21 23:09:10,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:09:10" (1/1) ... [2020-10-21 23:09:10,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:09:10,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:09:11,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:09:11,237 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:09:11,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:09:11,387 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:09:11,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11 WrapperNode [2020-10-21 23:09:11,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:09:11,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:09:11,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:09:11,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:09:11,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:09:11,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:09:11,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:09:11,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:09:11,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... [2020-10-21 23:09:11,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:09:11,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:09:11,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:09:11,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:09:11,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:09:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:09:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:09:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:09:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:09:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:09:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:09:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:09:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:09:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:09:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:09:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:09:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:09:11,569 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:09:13,435 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:09:13,436 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:09:13,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:09:13 BoogieIcfgContainer [2020-10-21 23:09:13,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:09:13,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:09:13,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:09:13,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:09:13,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:09:10" (1/3) ... [2020-10-21 23:09:13,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1198d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:09:13, skipping insertion in model container [2020-10-21 23:09:13,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:11" (2/3) ... [2020-10-21 23:09:13,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1198d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:09:13, skipping insertion in model container [2020-10-21 23:09:13,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:09:13" (3/3) ... [2020-10-21 23:09:13,448 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_rmo.opt.i [2020-10-21 23:09:13,461 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:09:13,461 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:09:13,469 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:09:13,470 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:09:13,502 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,502 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,503 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,503 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,504 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,504 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,504 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,504 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,506 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,508 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,514 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,514 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,524 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,531 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,534 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,535 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,536 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,540 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:13,544 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:09:13,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 23:09:13,582 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:09:13,582 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:09:13,582 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:09:13,583 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:09:13,583 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:09:13,583 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:09:13,583 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:09:13,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:09:13,598 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:09:13,599 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 100 transitions, 215 flow [2020-10-21 23:09:13,602 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 100 transitions, 215 flow [2020-10-21 23:09:13,605 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 100 transitions, 215 flow [2020-10-21 23:09:13,658 INFO L129 PetriNetUnfolder]: 3/97 cut-off events. [2020-10-21 23:09:13,658 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:09:13,664 INFO L80 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 3/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-21 23:09:13,668 INFO L116 LiptonReduction]: Number of co-enabled transitions 1648 [2020-10-21 23:09:14,335 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-21 23:09:15,156 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-10-21 23:09:15,273 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-21 23:09:15,700 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-21 23:09:16,188 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-21 23:09:16,855 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-21 23:09:17,029 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-21 23:09:17,043 INFO L131 LiptonReduction]: Checked pairs total: 3809 [2020-10-21 23:09:17,043 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-10-21 23:09:17,049 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 24 transitions, 63 flow [2020-10-21 23:09:17,085 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 522 states. [2020-10-21 23:09:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states. [2020-10-21 23:09:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 23:09:17,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:17,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:17,096 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:17,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:17,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1661291912, now seen corresponding path program 1 times [2020-10-21 23:09:17,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:17,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496484607] [2020-10-21 23:09:17,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:17,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496484607] [2020-10-21 23:09:17,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:17,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:09:17,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840902260] [2020-10-21 23:09:17,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:09:17,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:17,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:09:17,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:09:17,416 INFO L87 Difference]: Start difference. First operand 522 states. Second operand 3 states. [2020-10-21 23:09:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:17,493 INFO L93 Difference]: Finished difference Result 442 states and 1336 transitions. [2020-10-21 23:09:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:09:17,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 23:09:17,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:17,525 INFO L225 Difference]: With dead ends: 442 [2020-10-21 23:09:17,526 INFO L226 Difference]: Without dead ends: 362 [2020-10-21 23:09:17,529 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 [2020-10-21 23:09:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-10-21 23:09:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2020-10-21 23:09:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-21 23:09:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 1072 transitions. [2020-10-21 23:09:17,615 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 1072 transitions. Word has length 7 [2020-10-21 23:09:17,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:17,616 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 1072 transitions. [2020-10-21 23:09:17,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:09:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1072 transitions. [2020-10-21 23:09:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:09:17,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:17,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:17,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:09:17,619 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:17,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:17,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1226276821, now seen corresponding path program 1 times [2020-10-21 23:09:17,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:17,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37946847] [2020-10-21 23:09:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:17,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37946847] [2020-10-21 23:09:17,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:17,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:09:17,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461456870] [2020-10-21 23:09:17,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:09:17,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:17,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:09:17,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:09:17,708 INFO L87 Difference]: Start difference. First operand 362 states and 1072 transitions. Second operand 3 states. [2020-10-21 23:09:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:17,720 INFO L93 Difference]: Finished difference Result 354 states and 1042 transitions. [2020-10-21 23:09:17,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:09:17,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 23:09:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:17,725 INFO L225 Difference]: With dead ends: 354 [2020-10-21 23:09:17,725 INFO L226 Difference]: Without dead ends: 354 [2020-10-21 23:09:17,726 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 [2020-10-21 23:09:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-21 23:09:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2020-10-21 23:09:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-10-21 23:09:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 1042 transitions. [2020-10-21 23:09:17,750 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 1042 transitions. Word has length 9 [2020-10-21 23:09:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:17,750 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 1042 transitions. [2020-10-21 23:09:17,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:09:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1042 transitions. [2020-10-21 23:09:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 23:09:17,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:17,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:17,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:09:17,753 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:17,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:17,753 INFO L82 PathProgramCache]: Analyzing trace with hash -712151592, now seen corresponding path program 1 times [2020-10-21 23:09:17,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:17,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395722365] [2020-10-21 23:09:17,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:17,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395722365] [2020-10-21 23:09:17,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:17,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:09:17,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936706291] [2020-10-21 23:09:17,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:09:17,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:17,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:09:17,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:09:17,891 INFO L87 Difference]: Start difference. First operand 354 states and 1042 transitions. Second operand 4 states. [2020-10-21 23:09:17,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:17,946 INFO L93 Difference]: Finished difference Result 332 states and 854 transitions. [2020-10-21 23:09:17,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:09:17,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-21 23:09:17,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:17,949 INFO L225 Difference]: With dead ends: 332 [2020-10-21 23:09:17,949 INFO L226 Difference]: Without dead ends: 252 [2020-10-21 23:09:17,950 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 [2020-10-21 23:09:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-21 23:09:17,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2020-10-21 23:09:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-21 23:09:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 634 transitions. [2020-10-21 23:09:17,973 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 634 transitions. Word has length 10 [2020-10-21 23:09:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:17,973 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 634 transitions. [2020-10-21 23:09:17,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:09:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 634 transitions. [2020-10-21 23:09:17,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:09:17,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:17,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:17,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:09:17,978 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:17,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:17,981 INFO L82 PathProgramCache]: Analyzing trace with hash -430582493, now seen corresponding path program 1 times [2020-10-21 23:09:17,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:17,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346732976] [2020-10-21 23:09:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:18,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346732976] [2020-10-21 23:09:18,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:18,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:09:18,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441270319] [2020-10-21 23:09:18,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:09:18,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:18,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:09:18,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:09:18,074 INFO L87 Difference]: Start difference. First operand 252 states and 634 transitions. Second operand 5 states. [2020-10-21 23:09:18,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:18,116 INFO L93 Difference]: Finished difference Result 199 states and 452 transitions. [2020-10-21 23:09:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:09:18,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-21 23:09:18,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:18,119 INFO L225 Difference]: With dead ends: 199 [2020-10-21 23:09:18,119 INFO L226 Difference]: Without dead ends: 155 [2020-10-21 23:09:18,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:09:18,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-21 23:09:18,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-10-21 23:09:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-21 23:09:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 343 transitions. [2020-10-21 23:09:18,125 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 343 transitions. Word has length 12 [2020-10-21 23:09:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:18,125 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 343 transitions. [2020-10-21 23:09:18,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:09:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 343 transitions. [2020-10-21 23:09:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:09:18,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:18,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:18,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:09:18,127 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:18,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:18,127 INFO L82 PathProgramCache]: Analyzing trace with hash 290711485, now seen corresponding path program 1 times [2020-10-21 23:09:18,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:18,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349319855] [2020-10-21 23:09:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:18,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349319855] [2020-10-21 23:09:18,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:18,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:09:18,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922852409] [2020-10-21 23:09:18,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:09:18,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:18,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:09:18,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:09:18,356 INFO L87 Difference]: Start difference. First operand 155 states and 343 transitions. Second operand 6 states. [2020-10-21 23:09:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:18,416 INFO L93 Difference]: Finished difference Result 136 states and 303 transitions. [2020-10-21 23:09:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:09:18,417 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-21 23:09:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:18,418 INFO L225 Difference]: With dead ends: 136 [2020-10-21 23:09:18,418 INFO L226 Difference]: Without dead ends: 125 [2020-10-21 23:09:18,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:09:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-21 23:09:18,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-21 23:09:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-21 23:09:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 283 transitions. [2020-10-21 23:09:18,423 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 283 transitions. Word has length 15 [2020-10-21 23:09:18,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:18,423 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 283 transitions. [2020-10-21 23:09:18,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:09:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 283 transitions. [2020-10-21 23:09:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:09:18,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:18,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:18,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:09:18,425 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:18,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash 256181764, now seen corresponding path program 1 times [2020-10-21 23:09:18,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:18,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651707118] [2020-10-21 23:09:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:18,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651707118] [2020-10-21 23:09:18,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:18,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:09:18,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950324984] [2020-10-21 23:09:18,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:09:18,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:18,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:09:18,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:09:18,486 INFO L87 Difference]: Start difference. First operand 125 states and 283 transitions. Second operand 3 states. [2020-10-21 23:09:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:18,495 INFO L93 Difference]: Finished difference Result 163 states and 360 transitions. [2020-10-21 23:09:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:09:18,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-21 23:09:18,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:18,496 INFO L225 Difference]: With dead ends: 163 [2020-10-21 23:09:18,496 INFO L226 Difference]: Without dead ends: 71 [2020-10-21 23:09:18,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:09:18,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-21 23:09:18,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-21 23:09:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-21 23:09:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 139 transitions. [2020-10-21 23:09:18,500 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 139 transitions. Word has length 19 [2020-10-21 23:09:18,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:18,500 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 139 transitions. [2020-10-21 23:09:18,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:09:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2020-10-21 23:09:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:09:18,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:18,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:18,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:09:18,501 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:18,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:18,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1857331524, now seen corresponding path program 2 times [2020-10-21 23:09:18,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:18,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18896941] [2020-10-21 23:09:18,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:18,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18896941] [2020-10-21 23:09:18,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:18,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:09:18,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466806957] [2020-10-21 23:09:18,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:09:18,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:18,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:09:18,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:09:18,562 INFO L87 Difference]: Start difference. First operand 71 states and 139 transitions. Second operand 4 states. [2020-10-21 23:09:18,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:18,579 INFO L93 Difference]: Finished difference Result 91 states and 174 transitions. [2020-10-21 23:09:18,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:09:18,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-21 23:09:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:18,580 INFO L225 Difference]: With dead ends: 91 [2020-10-21 23:09:18,580 INFO L226 Difference]: Without dead ends: 41 [2020-10-21 23:09:18,580 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 [2020-10-21 23:09:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-21 23:09:18,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-21 23:09:18,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-21 23:09:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 67 transitions. [2020-10-21 23:09:18,582 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 67 transitions. Word has length 19 [2020-10-21 23:09:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:18,583 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 67 transitions. [2020-10-21 23:09:18,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:09:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-10-21 23:09:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:09:18,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:18,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:18,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:09:18,584 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:18,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:18,585 INFO L82 PathProgramCache]: Analyzing trace with hash 435228276, now seen corresponding path program 3 times [2020-10-21 23:09:18,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:18,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768229533] [2020-10-21 23:09:18,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:18,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768229533] [2020-10-21 23:09:18,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:18,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 23:09:18,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320832059] [2020-10-21 23:09:18,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 23:09:18,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:18,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 23:09:18,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:09:18,902 INFO L87 Difference]: Start difference. First operand 41 states and 67 transitions. Second operand 10 states. [2020-10-21 23:09:19,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:19,285 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2020-10-21 23:09:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-21 23:09:19,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-10-21 23:09:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:19,286 INFO L225 Difference]: With dead ends: 61 [2020-10-21 23:09:19,286 INFO L226 Difference]: Without dead ends: 43 [2020-10-21 23:09:19,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-21 23:09:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-21 23:09:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-21 23:09:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-21 23:09:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 68 transitions. [2020-10-21 23:09:19,290 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 68 transitions. Word has length 19 [2020-10-21 23:09:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:19,290 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 68 transitions. [2020-10-21 23:09:19,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 23:09:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2020-10-21 23:09:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:09:19,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:19,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:19,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:09:19,291 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1952519200, now seen corresponding path program 4 times [2020-10-21 23:09:19,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:19,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772291276] [2020-10-21 23:09:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:19,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772291276] [2020-10-21 23:09:19,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:19,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 23:09:19,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244665791] [2020-10-21 23:09:19,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 23:09:19,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:19,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 23:09:19,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:09:19,729 INFO L87 Difference]: Start difference. First operand 43 states and 68 transitions. Second operand 10 states. [2020-10-21 23:09:19,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:19,976 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-10-21 23:09:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:09:19,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-10-21 23:09:19,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:19,977 INFO L225 Difference]: With dead ends: 49 [2020-10-21 23:09:19,978 INFO L226 Difference]: Without dead ends: 33 [2020-10-21 23:09:19,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-21 23:09:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-21 23:09:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-21 23:09:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-21 23:09:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2020-10-21 23:09:19,981 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 19 [2020-10-21 23:09:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:19,981 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2020-10-21 23:09:19,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 23:09:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2020-10-21 23:09:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:09:19,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:19,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:19,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:09:19,983 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:19,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:19,983 INFO L82 PathProgramCache]: Analyzing trace with hash -199834788, now seen corresponding path program 5 times [2020-10-21 23:09:19,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:19,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059843255] [2020-10-21 23:09:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:20,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059843255] [2020-10-21 23:09:20,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:20,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:09:20,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462685526] [2020-10-21 23:09:20,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:09:20,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:20,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:09:20,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:09:20,119 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. Second operand 6 states. [2020-10-21 23:09:20,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:20,211 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-10-21 23:09:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:09:20,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-21 23:09:20,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:20,213 INFO L225 Difference]: With dead ends: 39 [2020-10-21 23:09:20,213 INFO L226 Difference]: Without dead ends: 29 [2020-10-21 23:09:20,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:09:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-21 23:09:20,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-21 23:09:20,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-21 23:09:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-10-21 23:09:20,217 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 19 [2020-10-21 23:09:20,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:20,218 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-10-21 23:09:20,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:09:20,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-10-21 23:09:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:09:20,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:20,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:20,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:09:20,219 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:20,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:20,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1519103564, now seen corresponding path program 6 times [2020-10-21 23:09:20,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:20,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471154497] [2020-10-21 23:09:20,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:09:20,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:09:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:09:20,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:09:20,447 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:09:20,448 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:09:20,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:09:20,449 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:09:20,470 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [873] [873] L835-->L843: Formula: (let ((.cse6 (= (mod ~y$w_buff1_used~0_In-111868264 256) 0)) (.cse7 (= (mod ~y$r_buff1_thd0~0_In-111868264 256) 0)) (.cse9 (= (mod ~y$w_buff0_used~0_In-111868264 256) 0)) (.cse8 (= (mod ~y$r_buff0_thd0~0_In-111868264 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse3 (not .cse7)) (.cse4 (not .cse6)) (.cse5 (or .cse6 .cse7))) (and (or (and .cse0 (= ~y$w_buff0_used~0_Out-111868264 0) .cse1) (and .cse2 (= ~y$w_buff0_used~0_In-111868264 ~y$w_buff0_used~0_Out-111868264))) (= ~y$r_buff0_thd0~0_In-111868264 ~y$r_buff0_thd0~0_Out-111868264) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-111868264 0)) (= (mod ~main$tmp_guard0~0_In-111868264 256) |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-111868264|) (or (and .cse0 (= ~y~0_Out-111868264 ~y$w_buff0~0_In-111868264) .cse1) (and (or (and (= ~y~0_Out-111868264 ~y$w_buff1~0_In-111868264) .cse3 .cse4) (and (= ~y~0_Out-111868264 ~y~0_In-111868264) .cse5)) .cse2)) (or (and .cse3 (= 0 ~y$w_buff1_used~0_Out-111868264) .cse4) (and (= ~y$w_buff1_used~0_In-111868264 ~y$w_buff1_used~0_Out-111868264) .cse5)) (= ~y$r_buff1_thd0~0_Out-111868264 ~y$r_buff1_thd0~0_In-111868264) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-111868264 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-111868264|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-111868264, ~y$w_buff1~0=~y$w_buff1~0_In-111868264, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-111868264, ~y$w_buff0~0=~y$w_buff0~0_In-111868264, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-111868264, ~y~0=~y~0_In-111868264, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-111868264, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-111868264} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-111868264, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-111868264|, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out-111868264|, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_Out-111868264|, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-111868264, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-111868264|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-111868264|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-111868264|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-111868264|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-111868264, ~y$w_buff1~0=~y$w_buff1~0_In-111868264, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-111868264, ~y$w_buff0~0=~y$w_buff0~0_In-111868264, ~y~0=~y~0_Out-111868264, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-111868264, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-111868264} AuxVars[] AssignedVars[~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~ite38, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~y$r_buff0_thd0~0, ~y~0, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-21 23:09:20,483 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,484 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [789] [2020-10-21 23:09:20,486 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,487 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,487 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,487 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,487 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,488 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,488 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,489 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,489 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,489 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,489 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,490 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,490 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,490 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,490 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,490 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,491 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,491 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,492 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,492 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,493 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,493 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,493 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,493 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,493 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,493 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,494 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,494 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,494 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,494 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,494 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,495 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,495 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,495 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,500 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,500 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,500 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:09:20,500 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:09:20,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:09:20 BasicIcfg [2020-10-21 23:09:20,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:09:20,591 INFO L168 Benchmark]: Toolchain (without parser) took 9941.25 ms. Allocated memory was 140.0 MB in the beginning and 321.9 MB in the end (delta: 181.9 MB). Free memory was 101.9 MB in the beginning and 214.6 MB in the end (delta: -112.8 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,592 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.51 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 155.0 MB in the end (delta: -53.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.43 ms. Allocated memory is still 203.4 MB. Free memory was 155.0 MB in the beginning and 151.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,594 INFO L168 Benchmark]: Boogie Preprocessor took 38.54 ms. Allocated memory is still 203.4 MB. Free memory was 151.9 MB in the beginning and 149.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,595 INFO L168 Benchmark]: RCFGBuilder took 1946.67 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 149.8 MB in the beginning and 211.1 MB in the end (delta: -61.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,596 INFO L168 Benchmark]: TraceAbstraction took 7148.69 ms. Allocated memory was 246.9 MB in the beginning and 321.9 MB in the end (delta: 75.0 MB). Free memory was 211.1 MB in the beginning and 214.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:20,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.51 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 155.0 MB in the end (delta: -53.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.43 ms. Allocated memory is still 203.4 MB. Free memory was 155.0 MB in the beginning and 151.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.54 ms. Allocated memory is still 203.4 MB. Free memory was 151.9 MB in the beginning and 149.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1946.67 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 149.8 MB in the beginning and 211.1 MB in the end (delta: -61.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7148.69 ms. Allocated memory was 246.9 MB in the beginning and 321.9 MB in the end (delta: 75.0 MB). Free memory was 211.1 MB in the beginning and 214.6 MB in the end (delta: -3.5 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 877 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 57 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 107 PlacesBefore, 34 PlacesAfterwards, 100 TransitionsBefore, 24 TransitionsAfterwards, 1648 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 3 ChoiceCompositions, 94 TotalNumberOfCompositions, 3809 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff1_thd0; [L727] 0 _Bool y$r_buff1_thd1; [L728] 0 _Bool y$r_buff1_thd2; [L729] 0 _Bool y$r_buff1_thd3; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L827] 0 pthread_t t2592; [L828] FCALL, FORK 0 pthread_create(&t2592, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_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, z=0] [L829] 0 pthread_t t2593; [L830] FCALL, FORK 0 pthread_create(&t2593, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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, z=0] [L831] 0 pthread_t t2594; [L832] FCALL, FORK 0 pthread_create(&t2594, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L760] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, 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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L805] 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) [L805] 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) [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L806] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L807] 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 [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L808] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L809] 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 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L812] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L814] 3 return 0; [L834] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L845] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "safe034_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.8s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 196 SDtfs, 243 SDslu, 429 SDs, 0 SdLazy, 376 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=522occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 16042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...