/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 14:26:04,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 14:26:04,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 14:26:04,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 14:26:04,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 14:26:04,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 14:26:04,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 14:26:04,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 14:26:04,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 14:26:04,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 14:26:04,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 14:26:04,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 14:26:04,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 14:26:04,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 14:26:04,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 14:26:04,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 14:26:04,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 14:26:04,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 14:26:04,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 14:26:04,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 14:26:04,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 14:26:04,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 14:26:04,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 14:26:04,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 14:26:04,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 14:26:04,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 14:26:04,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 14:26:04,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 14:26:04,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 14:26:04,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 14:26:04,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 14:26:04,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 14:26:04,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 14:26:04,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 14:26:04,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 14:26:04,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 14:26:04,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 14:26:04,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 14:26:04,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 14:26:04,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 14:26:04,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 14:26:04,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-04-17 14:26:04,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 14:26:04,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 14:26:04,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 14:26:04,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 14:26:04,547 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 14:26:04,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 14:26:04,548 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 14:26:04,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 14:26:04,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 14:26:04,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 14:26:04,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 14:26:04,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 14:26:04,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 14:26:04,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 14:26:04,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 14:26:04,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 14:26:04,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 14:26:04,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 14:26:04,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 14:26:04,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 14:26:04,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 14:26:04,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 14:26:04,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 14:26:04,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 14:26:04,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 14:26:04,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 14:26:04,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 14:26:04,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 14:26:04,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-04-17 14:26:04,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 14:26:04,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 14:26:04,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 14:26:04,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 14:26:04,855 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 14:26:04,855 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 14:26:04,856 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2020-04-17 14:26:04,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51bc2a4b8/138caebac1234cc7b3745fc50e3ba927/FLAG8410970a2 [2020-04-17 14:26:05,573 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 14:26:05,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2020-04-17 14:26:05,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51bc2a4b8/138caebac1234cc7b3745fc50e3ba927/FLAG8410970a2 [2020-04-17 14:26:05,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51bc2a4b8/138caebac1234cc7b3745fc50e3ba927 [2020-04-17 14:26:05,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 14:26:05,917 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 14:26:05,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 14:26:05,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 14:26:05,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 14:26:05,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 02:26:05" (1/1) ... [2020-04-17 14:26:05,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456ed599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:05, skipping insertion in model container [2020-04-17 14:26:05,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 02:26:05" (1/1) ... [2020-04-17 14:26:05,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 14:26:05,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 14:26:06,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 14:26:06,652 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 14:26:06,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 14:26:06,886 INFO L208 MainTranslator]: Completed translation [2020-04-17 14:26:06,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06 WrapperNode [2020-04-17 14:26:06,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 14:26:06,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 14:26:06,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 14:26:06,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 14:26:06,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:06,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:06,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 14:26:06,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 14:26:06,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 14:26:06,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 14:26:06,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:06,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:06,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:06,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:07,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:07,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:07,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (1/1) ... [2020-04-17 14:26:07,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 14:26:07,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 14:26:07,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 14:26:07,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 14:26:07,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (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 [2020-04-17 14:26:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-04-17 14:26:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-04-17 14:26:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-04-17 14:26:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-04-17 14:26:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 14:26:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 14:26:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 14:26:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 14:26:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 14:26:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 14:26:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 14:26:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 14:26:07,096 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 14:26:07,876 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 14:26:07,876 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-04-17 14:26:07,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 02:26:07 BoogieIcfgContainer [2020-04-17 14:26:07,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 14:26:07,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 14:26:07,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 14:26:07,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 14:26:07,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 02:26:05" (1/3) ... [2020-04-17 14:26:07,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe2b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 02:26:07, skipping insertion in model container [2020-04-17 14:26:07,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:26:06" (2/3) ... [2020-04-17 14:26:07,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe2b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 02:26:07, skipping insertion in model container [2020-04-17 14:26:07,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 02:26:07" (3/3) ... [2020-04-17 14:26:07,890 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2020-04-17 14:26:07,900 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 14:26:07,901 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 14:26:07,909 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-04-17 14:26:07,910 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 14:26:07,951 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,952 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,952 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,952 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,952 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,953 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,953 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,953 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,953 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,953 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,954 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,954 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,954 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,954 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,954 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,955 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,955 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,955 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,955 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,955 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,956 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,956 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,956 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,956 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,956 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,956 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,957 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,957 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,957 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,957 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,958 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,958 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,958 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,958 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,958 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,959 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,959 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,959 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,959 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,959 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,960 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,960 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,960 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,960 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,960 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,961 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,961 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,961 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,961 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,961 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,962 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,962 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,962 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,962 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,963 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,963 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,963 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,963 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,963 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,964 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,964 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,964 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,964 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,964 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,965 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,965 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,965 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,965 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,965 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,966 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,966 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,966 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,966 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,967 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,967 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,967 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,967 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,968 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,968 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,968 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,968 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,968 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,969 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,969 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,969 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,969 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,969 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,970 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,970 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,970 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,970 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,971 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,971 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,971 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,971 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,971 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,975 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,975 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,975 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,975 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,976 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,976 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,976 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,976 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,976 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,977 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,977 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,977 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,977 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,977 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,978 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,978 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,978 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,978 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,978 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,979 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,979 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,979 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,979 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,979 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,979 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,980 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,980 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,980 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,980 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,980 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,981 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,981 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,981 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,981 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,981 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,981 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,982 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,982 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,982 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,982 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,982 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,982 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,983 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,983 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,983 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,983 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,983 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,984 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,984 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,984 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,984 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,984 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,984 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,985 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,985 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,985 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,985 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,985 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,986 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,986 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,986 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,986 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,986 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,987 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,987 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,987 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,987 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,987 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,988 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,988 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,988 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,988 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,988 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,989 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,989 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,989 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,989 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,989 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,990 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,990 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,990 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,990 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,990 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,992 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,992 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,992 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,992 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,993 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,993 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,993 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,993 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,994 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,994 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,994 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,994 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,995 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,995 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,995 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,995 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,995 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,996 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,996 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,996 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,996 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,996 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,996 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,997 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,997 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,997 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,997 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,997 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,997 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,998 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,998 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,998 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,998 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,998 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,999 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,999 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,999 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,999 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:07,999 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,000 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,000 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,000 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,000 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,000 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,001 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,001 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,001 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,001 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,001 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,002 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,002 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,002 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,002 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,002 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,003 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,003 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,003 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,003 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,003 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,004 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,004 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,004 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,004 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,005 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,005 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,005 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,005 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,005 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,005 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,006 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,006 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,006 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,006 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,006 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,007 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,007 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,007 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,007 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,007 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,008 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,008 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,008 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,008 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,008 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,009 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,009 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,009 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,009 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,009 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,010 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,014 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,014 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,014 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,015 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,015 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,015 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,015 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,015 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,016 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,016 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,016 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,016 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,016 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,017 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,017 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,017 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,017 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,017 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,018 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,018 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,018 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,018 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,018 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,019 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,019 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,019 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,019 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,019 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,019 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,020 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,020 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,020 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,020 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,020 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,021 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,028 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,028 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,029 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,029 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,029 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,029 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,029 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,030 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,030 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,030 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,030 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,030 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,031 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,031 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,031 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,031 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,031 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,032 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,032 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,032 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,032 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,032 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 14:26:08,058 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-17 14:26:08,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 14:26:08,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 14:26:08,082 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 14:26:08,083 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 14:26:08,083 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 14:26:08,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 14:26:08,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 14:26:08,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 14:26:08,112 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-04-17 14:26:08,114 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-04-17 14:26:08,254 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-04-17 14:26:08,254 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 14:26:08,266 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-04-17 14:26:08,278 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-04-17 14:26:08,334 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-04-17 14:26:08,334 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 14:26:08,337 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-04-17 14:26:08,350 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 14896 [2020-04-17 14:26:08,352 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 14:26:12,487 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-04-17 14:26:13,262 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-04-17 14:26:14,353 WARN L192 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-04-17 14:26:14,586 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-04-17 14:26:15,221 WARN L192 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-04-17 14:26:15,611 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-04-17 14:26:15,636 INFO L206 etLargeBlockEncoding]: Checked pairs total: 29908 [2020-04-17 14:26:15,636 INFO L214 etLargeBlockEncoding]: Total number of compositions: 205 [2020-04-17 14:26:15,640 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 71 transitions, 164 flow [2020-04-17 14:26:15,692 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1201 states. [2020-04-17 14:26:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states. [2020-04-17 14:26:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-17 14:26:15,700 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:15,701 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-17 14:26:15,701 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:15,707 INFO L82 PathProgramCache]: Analyzing trace with hash 964, now seen corresponding path program 1 times [2020-04-17 14:26:15,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:15,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514137252] [2020-04-17 14:26:15,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:15,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514137252] [2020-04-17 14:26:15,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:15,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-17 14:26:15,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276315798] [2020-04-17 14:26:15,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 14:26:15,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:15,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 14:26:15,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 14:26:15,861 INFO L87 Difference]: Start difference. First operand 1201 states. Second operand 2 states. [2020-04-17 14:26:15,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:15,935 INFO L93 Difference]: Finished difference Result 1200 states and 3170 transitions. [2020-04-17 14:26:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 14:26:15,936 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-17 14:26:15,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:15,984 INFO L225 Difference]: With dead ends: 1200 [2020-04-17 14:26:15,984 INFO L226 Difference]: Without dead ends: 1109 [2020-04-17 14:26:15,987 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 14:26:16,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-04-17 14:26:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-04-17 14:26:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-04-17 14:26:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2958 transitions. [2020-04-17 14:26:16,122 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2958 transitions. Word has length 1 [2020-04-17 14:26:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:16,123 INFO L479 AbstractCegarLoop]: Abstraction has 1109 states and 2958 transitions. [2020-04-17 14:26:16,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 14:26:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2958 transitions. [2020-04-17 14:26:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-17 14:26:16,124 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:16,125 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:16,125 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash -484874631, now seen corresponding path program 1 times [2020-04-17 14:26:16,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:16,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836242801] [2020-04-17 14:26:16,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:16,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836242801] [2020-04-17 14:26:16,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:16,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 14:26:16,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905894095] [2020-04-17 14:26:16,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:26:16,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:16,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:26:16,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:26:16,267 INFO L87 Difference]: Start difference. First operand 1109 states and 2958 transitions. Second operand 3 states. [2020-04-17 14:26:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:16,295 INFO L93 Difference]: Finished difference Result 1109 states and 2921 transitions. [2020-04-17 14:26:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:26:16,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-04-17 14:26:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:16,304 INFO L225 Difference]: With dead ends: 1109 [2020-04-17 14:26:16,304 INFO L226 Difference]: Without dead ends: 1109 [2020-04-17 14:26:16,305 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:26:16,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-04-17 14:26:16,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-04-17 14:26:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-04-17 14:26:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2921 transitions. [2020-04-17 14:26:16,348 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2921 transitions. Word has length 11 [2020-04-17 14:26:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:16,348 INFO L479 AbstractCegarLoop]: Abstraction has 1109 states and 2921 transitions. [2020-04-17 14:26:16,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:26:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2921 transitions. [2020-04-17 14:26:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-17 14:26:16,354 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:16,355 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:16,355 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2105337476, now seen corresponding path program 1 times [2020-04-17 14:26:16,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:16,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200431896] [2020-04-17 14:26:16,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:16,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200431896] [2020-04-17 14:26:16,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:16,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 14:26:16,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080168505] [2020-04-17 14:26:16,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 14:26:16,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:16,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 14:26:16,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-17 14:26:16,613 INFO L87 Difference]: Start difference. First operand 1109 states and 2921 transitions. Second operand 5 states. [2020-04-17 14:26:16,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:16,859 INFO L93 Difference]: Finished difference Result 1108 states and 2918 transitions. [2020-04-17 14:26:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 14:26:16,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-04-17 14:26:16,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:16,868 INFO L225 Difference]: With dead ends: 1108 [2020-04-17 14:26:16,869 INFO L226 Difference]: Without dead ends: 1108 [2020-04-17 14:26:16,869 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-04-17 14:26:16,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-04-17 14:26:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-04-17 14:26:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-04-17 14:26:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2918 transitions. [2020-04-17 14:26:16,910 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2918 transitions. Word has length 13 [2020-04-17 14:26:16,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:16,912 INFO L479 AbstractCegarLoop]: Abstraction has 1108 states and 2918 transitions. [2020-04-17 14:26:16,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 14:26:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2918 transitions. [2020-04-17 14:26:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-17 14:26:16,919 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:16,919 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:16,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:16,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:16,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1475451711, now seen corresponding path program 1 times [2020-04-17 14:26:16,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:16,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226264042] [2020-04-17 14:26:16,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:17,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226264042] [2020-04-17 14:26:17,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:17,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 14:26:17,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130015615] [2020-04-17 14:26:17,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:26:17,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:17,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:26:17,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:26:17,019 INFO L87 Difference]: Start difference. First operand 1108 states and 2918 transitions. Second operand 3 states. [2020-04-17 14:26:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:17,037 INFO L93 Difference]: Finished difference Result 985 states and 2529 transitions. [2020-04-17 14:26:17,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:26:17,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-17 14:26:17,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:17,044 INFO L225 Difference]: With dead ends: 985 [2020-04-17 14:26:17,044 INFO L226 Difference]: Without dead ends: 953 [2020-04-17 14:26:17,044 INFO L678 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 [2020-04-17 14:26:17,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-04-17 14:26:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2020-04-17 14:26:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-04-17 14:26:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2454 transitions. [2020-04-17 14:26:17,075 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2454 transitions. Word has length 13 [2020-04-17 14:26:17,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:17,077 INFO L479 AbstractCegarLoop]: Abstraction has 953 states and 2454 transitions. [2020-04-17 14:26:17,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:26:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2454 transitions. [2020-04-17 14:26:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 14:26:17,078 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:17,078 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:17,078 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:17,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:17,078 INFO L82 PathProgramCache]: Analyzing trace with hash -482065399, now seen corresponding path program 1 times [2020-04-17 14:26:17,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:17,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142373262] [2020-04-17 14:26:17,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:17,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142373262] [2020-04-17 14:26:17,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:17,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-17 14:26:17,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184089175] [2020-04-17 14:26:17,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-17 14:26:17,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:17,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-17 14:26:17,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-17 14:26:17,219 INFO L87 Difference]: Start difference. First operand 953 states and 2454 transitions. Second operand 6 states. [2020-04-17 14:26:17,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:17,431 INFO L93 Difference]: Finished difference Result 939 states and 2407 transitions. [2020-04-17 14:26:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 14:26:17,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-04-17 14:26:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:17,438 INFO L225 Difference]: With dead ends: 939 [2020-04-17 14:26:17,439 INFO L226 Difference]: Without dead ends: 939 [2020-04-17 14:26:17,439 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-04-17 14:26:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-04-17 14:26:17,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2020-04-17 14:26:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2020-04-17 14:26:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 2407 transitions. [2020-04-17 14:26:17,478 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 2407 transitions. Word has length 14 [2020-04-17 14:26:17,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:17,479 INFO L479 AbstractCegarLoop]: Abstraction has 939 states and 2407 transitions. [2020-04-17 14:26:17,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-17 14:26:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 2407 transitions. [2020-04-17 14:26:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 14:26:17,480 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:17,481 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:17,481 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:17,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:17,481 INFO L82 PathProgramCache]: Analyzing trace with hash -313921473, now seen corresponding path program 1 times [2020-04-17 14:26:17,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:17,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108505964] [2020-04-17 14:26:17,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:17,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108505964] [2020-04-17 14:26:17,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:17,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-04-17 14:26:17,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931520734] [2020-04-17 14:26:17,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-17 14:26:17,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:17,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-17 14:26:17,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-04-17 14:26:17,815 INFO L87 Difference]: Start difference. First operand 939 states and 2407 transitions. Second operand 9 states. [2020-04-17 14:26:18,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:18,198 INFO L93 Difference]: Finished difference Result 937 states and 2403 transitions. [2020-04-17 14:26:18,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-17 14:26:18,200 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-04-17 14:26:18,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:18,207 INFO L225 Difference]: With dead ends: 937 [2020-04-17 14:26:18,207 INFO L226 Difference]: Without dead ends: 937 [2020-04-17 14:26:18,208 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-04-17 14:26:18,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-04-17 14:26:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2020-04-17 14:26:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2020-04-17 14:26:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 2403 transitions. [2020-04-17 14:26:18,233 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 2403 transitions. Word has length 14 [2020-04-17 14:26:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:18,234 INFO L479 AbstractCegarLoop]: Abstraction has 937 states and 2403 transitions. [2020-04-17 14:26:18,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-17 14:26:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2403 transitions. [2020-04-17 14:26:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 14:26:18,235 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:18,235 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:18,235 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:18,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:18,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1532094638, now seen corresponding path program 1 times [2020-04-17 14:26:18,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:18,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076563124] [2020-04-17 14:26:18,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:18,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076563124] [2020-04-17 14:26:18,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:18,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-17 14:26:18,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900380399] [2020-04-17 14:26:18,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-04-17 14:26:18,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:18,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-04-17 14:26:18,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-04-17 14:26:18,617 INFO L87 Difference]: Start difference. First operand 937 states and 2403 transitions. Second operand 10 states. [2020-04-17 14:26:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:26:19,126 INFO L93 Difference]: Finished difference Result 1033 states and 2638 transitions. [2020-04-17 14:26:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-17 14:26:19,126 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-04-17 14:26:19,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:26:19,132 INFO L225 Difference]: With dead ends: 1033 [2020-04-17 14:26:19,133 INFO L226 Difference]: Without dead ends: 978 [2020-04-17 14:26:19,133 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-04-17 14:26:19,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-04-17 14:26:19,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 924. [2020-04-17 14:26:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-04-17 14:26:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 2381 transitions. [2020-04-17 14:26:19,159 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 2381 transitions. Word has length 15 [2020-04-17 14:26:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:26:19,159 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 2381 transitions. [2020-04-17 14:26:19,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-04-17 14:26:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2381 transitions. [2020-04-17 14:26:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 14:26:19,160 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:26:19,160 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:26:19,161 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:26:19,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:26:19,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1172406912, now seen corresponding path program 2 times [2020-04-17 14:26:19,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:26:19,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123978622] [2020-04-17 14:26:19,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:26:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:26:23,687 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2020-04-17 14:26:23,937 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-04-17 14:26:24,319 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 49 [2020-04-17 14:26:25,184 WARN L192 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 52 [2020-04-17 14:26:25,782 WARN L192 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-04-17 14:26:26,508 WARN L192 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2020-04-17 14:26:27,608 WARN L192 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2020-04-17 14:26:28,421 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-04-17 14:26:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:26:28,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123978622] [2020-04-17 14:26:28,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:26:28,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-04-17 14:26:28,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968983535] [2020-04-17 14:26:28,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-17 14:26:28,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:26:28,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-17 14:26:28,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-04-17 14:26:28,504 INFO L87 Difference]: Start difference. First operand 924 states and 2381 transitions. Second operand 11 states. [2020-04-17 14:26:29,052 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-04-17 14:26:31,561 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-04-17 14:26:39,547 WARN L192 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2020-04-17 14:27:26,386 WARN L192 SmtUtils]: Spent 40.93 s on a formula simplification. DAG size of input: 154 DAG size of output: 110 [2020-04-17 14:28:04,914 WARN L192 SmtUtils]: Spent 35.85 s on a formula simplification. DAG size of input: 166 DAG size of output: 122 [2020-04-17 14:28:30,103 WARN L192 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 104 [2020-04-17 14:28:47,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:47,111 INFO L93 Difference]: Finished difference Result 1036 states and 2664 transitions. [2020-04-17 14:28:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-17 14:28:47,113 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-04-17 14:28:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:47,121 INFO L225 Difference]: With dead ends: 1036 [2020-04-17 14:28:47,121 INFO L226 Difference]: Without dead ends: 1021 [2020-04-17 14:28:47,122 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 102.9s TimeCoverageRelationStatistics Valid=56, Invalid=215, Unknown=1, NotChecked=0, Total=272 [2020-04-17 14:28:47,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-04-17 14:28:47,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 910. [2020-04-17 14:28:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-04-17 14:28:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2348 transitions. [2020-04-17 14:28:47,146 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2348 transitions. Word has length 15 [2020-04-17 14:28:47,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:47,146 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 2348 transitions. [2020-04-17 14:28:47,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-17 14:28:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2348 transitions. [2020-04-17 14:28:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 14:28:47,147 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:47,147 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:47,148 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:47,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:47,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1141702962, now seen corresponding path program 3 times [2020-04-17 14:28:47,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:47,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400799670] [2020-04-17 14:28:47,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:47,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400799670] [2020-04-17 14:28:47,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:47,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-17 14:28:47,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651593243] [2020-04-17 14:28:47,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-04-17 14:28:47,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:47,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-04-17 14:28:47,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-04-17 14:28:47,429 INFO L87 Difference]: Start difference. First operand 910 states and 2348 transitions. Second operand 10 states. [2020-04-17 14:28:47,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:47,986 INFO L93 Difference]: Finished difference Result 912 states and 2363 transitions. [2020-04-17 14:28:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-17 14:28:47,986 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-04-17 14:28:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:47,991 INFO L225 Difference]: With dead ends: 912 [2020-04-17 14:28:47,991 INFO L226 Difference]: Without dead ends: 902 [2020-04-17 14:28:47,992 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-04-17 14:28:47,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-04-17 14:28:48,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 854. [2020-04-17 14:28:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-04-17 14:28:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2221 transitions. [2020-04-17 14:28:48,011 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2221 transitions. Word has length 15 [2020-04-17 14:28:48,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:48,011 INFO L479 AbstractCegarLoop]: Abstraction has 854 states and 2221 transitions. [2020-04-17 14:28:48,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-04-17 14:28:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2221 transitions. [2020-04-17 14:28:48,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-17 14:28:48,013 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:48,013 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:48,013 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:48,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:48,014 INFO L82 PathProgramCache]: Analyzing trace with hash 32419424, now seen corresponding path program 1 times [2020-04-17 14:28:48,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:48,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736208871] [2020-04-17 14:28:48,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:48,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736208871] [2020-04-17 14:28:48,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:48,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 14:28:48,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424671689] [2020-04-17 14:28:48,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:28:48,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:48,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:28:48,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:28:48,057 INFO L87 Difference]: Start difference. First operand 854 states and 2221 transitions. Second operand 3 states. [2020-04-17 14:28:48,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:48,092 INFO L93 Difference]: Finished difference Result 385 states and 826 transitions. [2020-04-17 14:28:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:28:48,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-04-17 14:28:48,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:48,095 INFO L225 Difference]: With dead ends: 385 [2020-04-17 14:28:48,095 INFO L226 Difference]: Without dead ends: 379 [2020-04-17 14:28:48,096 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:28:48,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-04-17 14:28:48,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 307. [2020-04-17 14:28:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-04-17 14:28:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 665 transitions. [2020-04-17 14:28:48,104 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 665 transitions. Word has length 35 [2020-04-17 14:28:48,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:48,106 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 665 transitions. [2020-04-17 14:28:48,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:28:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 665 transitions. [2020-04-17 14:28:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-17 14:28:48,108 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:48,109 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:48,109 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:48,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:48,109 INFO L82 PathProgramCache]: Analyzing trace with hash -290676825, now seen corresponding path program 1 times [2020-04-17 14:28:48,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:48,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315912879] [2020-04-17 14:28:48,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:48,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315912879] [2020-04-17 14:28:48,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:48,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-04-17 14:28:48,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005410624] [2020-04-17 14:28:48,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-04-17 14:28:48,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:48,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-04-17 14:28:48,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-04-17 14:28:48,795 INFO L87 Difference]: Start difference. First operand 307 states and 665 transitions. Second operand 19 states. [2020-04-17 14:28:50,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:50,062 INFO L93 Difference]: Finished difference Result 627 states and 1366 transitions. [2020-04-17 14:28:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 14:28:50,063 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2020-04-17 14:28:50,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:50,068 INFO L225 Difference]: With dead ends: 627 [2020-04-17 14:28:50,068 INFO L226 Difference]: Without dead ends: 618 [2020-04-17 14:28:50,068 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2020-04-17 14:28:50,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-04-17 14:28:50,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 455. [2020-04-17 14:28:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-04-17 14:28:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 997 transitions. [2020-04-17 14:28:50,080 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 997 transitions. Word has length 36 [2020-04-17 14:28:50,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:50,080 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 997 transitions. [2020-04-17 14:28:50,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-04-17 14:28:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 997 transitions. [2020-04-17 14:28:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-04-17 14:28:50,082 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:50,082 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:50,082 INFO L427 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:50,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash -419208437, now seen corresponding path program 1 times [2020-04-17 14:28:50,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:50,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960392426] [2020-04-17 14:28:50,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:50,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960392426] [2020-04-17 14:28:50,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:50,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-17 14:28:50,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100497312] [2020-04-17 14:28:50,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-04-17 14:28:50,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:50,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-04-17 14:28:50,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-04-17 14:28:50,453 INFO L87 Difference]: Start difference. First operand 455 states and 997 transitions. Second operand 13 states. [2020-04-17 14:28:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:50,999 INFO L93 Difference]: Finished difference Result 347 states and 748 transitions. [2020-04-17 14:28:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-17 14:28:51,000 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-04-17 14:28:51,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:51,002 INFO L225 Difference]: With dead ends: 347 [2020-04-17 14:28:51,003 INFO L226 Difference]: Without dead ends: 347 [2020-04-17 14:28:51,003 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-04-17 14:28:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-04-17 14:28:51,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2020-04-17 14:28:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-04-17 14:28:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 748 transitions. [2020-04-17 14:28:51,011 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 748 transitions. Word has length 37 [2020-04-17 14:28:51,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:51,012 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 748 transitions. [2020-04-17 14:28:51,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-04-17 14:28:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 748 transitions. [2020-04-17 14:28:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-04-17 14:28:51,013 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:51,013 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:51,013 INFO L427 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:51,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:51,014 INFO L82 PathProgramCache]: Analyzing trace with hash -23176832, now seen corresponding path program 1 times [2020-04-17 14:28:51,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:51,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534785689] [2020-04-17 14:28:51,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:51,258 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-04-17 14:28:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:52,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534785689] [2020-04-17 14:28:52,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:52,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-04-17 14:28:52,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292028984] [2020-04-17 14:28:52,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-04-17 14:28:52,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:52,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-04-17 14:28:52,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2020-04-17 14:28:52,030 INFO L87 Difference]: Start difference. First operand 347 states and 748 transitions. Second operand 20 states. [2020-04-17 14:28:52,390 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-04-17 14:28:53,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:53,942 INFO L93 Difference]: Finished difference Result 586 states and 1261 transitions. [2020-04-17 14:28:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-04-17 14:28:53,947 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 37 [2020-04-17 14:28:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:53,950 INFO L225 Difference]: With dead ends: 586 [2020-04-17 14:28:53,951 INFO L226 Difference]: Without dead ends: 577 [2020-04-17 14:28:53,951 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2020-04-17 14:28:53,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-04-17 14:28:53,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 516. [2020-04-17 14:28:53,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-04-17 14:28:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1121 transitions. [2020-04-17 14:28:53,962 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1121 transitions. Word has length 37 [2020-04-17 14:28:53,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:53,962 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 1121 transitions. [2020-04-17 14:28:53,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-04-17 14:28:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1121 transitions. [2020-04-17 14:28:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-04-17 14:28:53,963 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:53,964 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:53,964 INFO L427 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:53,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2013776174, now seen corresponding path program 2 times [2020-04-17 14:28:53,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:53,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271749748] [2020-04-17 14:28:53,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:54,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271749748] [2020-04-17 14:28:54,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:54,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-04-17 14:28:54,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024637914] [2020-04-17 14:28:54,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-04-17 14:28:54,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:54,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-04-17 14:28:54,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-04-17 14:28:54,755 INFO L87 Difference]: Start difference. First operand 516 states and 1121 transitions. Second operand 20 states. [2020-04-17 14:28:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:28:55,828 INFO L93 Difference]: Finished difference Result 691 states and 1497 transitions. [2020-04-17 14:28:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-17 14:28:55,829 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 37 [2020-04-17 14:28:55,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:28:55,834 INFO L225 Difference]: With dead ends: 691 [2020-04-17 14:28:55,834 INFO L226 Difference]: Without dead ends: 682 [2020-04-17 14:28:55,834 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=179, Invalid=523, Unknown=0, NotChecked=0, Total=702 [2020-04-17 14:28:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-04-17 14:28:55,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 461. [2020-04-17 14:28:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-04-17 14:28:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 1003 transitions. [2020-04-17 14:28:55,845 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 1003 transitions. Word has length 37 [2020-04-17 14:28:55,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:28:55,845 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 1003 transitions. [2020-04-17 14:28:55,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-04-17 14:28:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1003 transitions. [2020-04-17 14:28:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:28:55,846 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:28:55,847 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:28:55,847 INFO L427 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:28:55,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:28:55,847 INFO L82 PathProgramCache]: Analyzing trace with hash -716643246, now seen corresponding path program 1 times [2020-04-17 14:28:55,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:28:55,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526298425] [2020-04-17 14:28:55,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:28:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:28:56,102 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-04-17 14:28:56,239 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-04-17 14:28:57,068 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-04-17 14:28:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:28:57,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526298425] [2020-04-17 14:28:57,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:28:57,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-04-17 14:28:57,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067630109] [2020-04-17 14:28:57,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-04-17 14:28:57,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:28:57,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-04-17 14:28:57,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-04-17 14:28:57,888 INFO L87 Difference]: Start difference. First operand 461 states and 1003 transitions. Second operand 20 states. [2020-04-17 14:28:58,209 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-04-17 14:28:58,817 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-04-17 14:28:59,016 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-04-17 14:28:59,332 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-04-17 14:28:59,510 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-04-17 14:28:59,690 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-04-17 14:29:00,056 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-04-17 14:29:00,254 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-04-17 14:29:00,742 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2020-04-17 14:29:01,742 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-04-17 14:29:02,068 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-04-17 14:29:02,232 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-04-17 14:29:02,497 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-04-17 14:29:02,744 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2020-04-17 14:29:03,031 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-04-17 14:29:03,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:03,375 INFO L93 Difference]: Finished difference Result 873 states and 1894 transitions. [2020-04-17 14:29:03,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-04-17 14:29:03,376 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-04-17 14:29:03,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:03,381 INFO L225 Difference]: With dead ends: 873 [2020-04-17 14:29:03,381 INFO L226 Difference]: Without dead ends: 833 [2020-04-17 14:29:03,382 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=278, Invalid=1702, Unknown=0, NotChecked=0, Total=1980 [2020-04-17 14:29:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-04-17 14:29:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 592. [2020-04-17 14:29:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-04-17 14:29:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1288 transitions. [2020-04-17 14:29:03,396 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1288 transitions. Word has length 38 [2020-04-17 14:29:03,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:03,397 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 1288 transitions. [2020-04-17 14:29:03,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-04-17 14:29:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1288 transitions. [2020-04-17 14:29:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:03,399 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:03,399 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:03,399 INFO L427 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:03,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:03,400 INFO L82 PathProgramCache]: Analyzing trace with hash -706318446, now seen corresponding path program 2 times [2020-04-17 14:29:03,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:03,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757428950] [2020-04-17 14:29:03,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:03,742 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-04-17 14:29:03,911 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2020-04-17 14:29:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:05,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757428950] [2020-04-17 14:29:05,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:05,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:29:05,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778566484] [2020-04-17 14:29:05,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:29:05,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:05,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:29:05,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:29:05,929 INFO L87 Difference]: Start difference. First operand 592 states and 1288 transitions. Second operand 24 states. [2020-04-17 14:29:06,405 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-04-17 14:29:08,523 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2020-04-17 14:29:10,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:10,878 INFO L93 Difference]: Finished difference Result 802 states and 1727 transitions. [2020-04-17 14:29:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-04-17 14:29:10,879 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:29:10,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:10,883 INFO L225 Difference]: With dead ends: 802 [2020-04-17 14:29:10,883 INFO L226 Difference]: Without dead ends: 762 [2020-04-17 14:29:10,884 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=205, Invalid=1435, Unknown=0, NotChecked=0, Total=1640 [2020-04-17 14:29:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-04-17 14:29:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 594. [2020-04-17 14:29:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-04-17 14:29:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1291 transitions. [2020-04-17 14:29:10,897 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1291 transitions. Word has length 38 [2020-04-17 14:29:10,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:10,898 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 1291 transitions. [2020-04-17 14:29:10,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:29:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1291 transitions. [2020-04-17 14:29:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:10,899 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:10,899 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:10,900 INFO L427 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:10,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:10,900 INFO L82 PathProgramCache]: Analyzing trace with hash -238269934, now seen corresponding path program 3 times [2020-04-17 14:29:10,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:10,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243928120] [2020-04-17 14:29:10,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:11,303 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-04-17 14:29:11,494 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2020-04-17 14:29:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:13,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243928120] [2020-04-17 14:29:13,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:13,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:29:13,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251036835] [2020-04-17 14:29:13,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:29:13,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:13,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:29:13,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:29:13,477 INFO L87 Difference]: Start difference. First operand 594 states and 1291 transitions. Second operand 24 states. [2020-04-17 14:29:13,946 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-04-17 14:29:15,624 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-04-17 14:29:16,025 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 79 [2020-04-17 14:29:18,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:18,380 INFO L93 Difference]: Finished difference Result 762 states and 1638 transitions. [2020-04-17 14:29:18,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-04-17 14:29:18,381 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:29:18,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:18,386 INFO L225 Difference]: With dead ends: 762 [2020-04-17 14:29:18,386 INFO L226 Difference]: Without dead ends: 722 [2020-04-17 14:29:18,387 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=209, Invalid=1513, Unknown=0, NotChecked=0, Total=1722 [2020-04-17 14:29:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-04-17 14:29:18,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 596. [2020-04-17 14:29:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-04-17 14:29:18,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1294 transitions. [2020-04-17 14:29:18,398 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1294 transitions. Word has length 38 [2020-04-17 14:29:18,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:18,398 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 1294 transitions. [2020-04-17 14:29:18,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:29:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1294 transitions. [2020-04-17 14:29:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:18,399 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:18,400 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:18,400 INFO L427 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:18,400 INFO L82 PathProgramCache]: Analyzing trace with hash -505552430, now seen corresponding path program 4 times [2020-04-17 14:29:18,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:18,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323894571] [2020-04-17 14:29:18,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:18,724 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-04-17 14:29:18,930 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2020-04-17 14:29:20,081 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-04-17 14:29:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:20,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323894571] [2020-04-17 14:29:20,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:20,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:29:20,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265619540] [2020-04-17 14:29:20,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:29:20,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:20,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:29:20,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:29:20,947 INFO L87 Difference]: Start difference. First operand 596 states and 1294 transitions. Second operand 24 states. [2020-04-17 14:29:21,393 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-04-17 14:29:23,053 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2020-04-17 14:29:23,418 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2020-04-17 14:29:25,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:25,816 INFO L93 Difference]: Finished difference Result 772 states and 1653 transitions. [2020-04-17 14:29:25,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-04-17 14:29:25,817 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:29:25,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:25,821 INFO L225 Difference]: With dead ends: 772 [2020-04-17 14:29:25,821 INFO L226 Difference]: Without dead ends: 732 [2020-04-17 14:29:25,822 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=209, Invalid=1513, Unknown=0, NotChecked=0, Total=1722 [2020-04-17 14:29:25,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-04-17 14:29:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 604. [2020-04-17 14:29:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-04-17 14:29:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-04-17 14:29:25,834 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-04-17 14:29:25,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:25,834 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-04-17 14:29:25,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:29:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-04-17 14:29:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:25,835 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:25,836 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:25,836 INFO L427 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:25,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:25,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1995609500, now seen corresponding path program 5 times [2020-04-17 14:29:25,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:25,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555673009] [2020-04-17 14:29:25,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:26,078 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2020-04-17 14:29:26,848 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2020-04-17 14:29:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:27,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555673009] [2020-04-17 14:29:27,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:27,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:29:27,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185909655] [2020-04-17 14:29:27,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:29:27,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:27,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:29:27,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:29:27,942 INFO L87 Difference]: Start difference. First operand 604 states and 1306 transitions. Second operand 24 states. [2020-04-17 14:29:29,030 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-04-17 14:29:29,288 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2020-04-17 14:29:29,635 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-04-17 14:29:29,869 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2020-04-17 14:29:30,122 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2020-04-17 14:29:30,533 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 86 [2020-04-17 14:29:30,805 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2020-04-17 14:29:31,324 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 89 [2020-04-17 14:29:32,498 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-04-17 14:29:32,670 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-04-17 14:29:32,949 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2020-04-17 14:29:33,147 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-04-17 14:29:33,358 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2020-04-17 14:29:33,547 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2020-04-17 14:29:33,989 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2020-04-17 14:29:34,225 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2020-04-17 14:29:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:34,627 INFO L93 Difference]: Finished difference Result 1104 states and 2385 transitions. [2020-04-17 14:29:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-04-17 14:29:34,628 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:29:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:34,634 INFO L225 Difference]: With dead ends: 1104 [2020-04-17 14:29:34,634 INFO L226 Difference]: Without dead ends: 1064 [2020-04-17 14:29:34,635 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=324, Invalid=2126, Unknown=0, NotChecked=0, Total=2450 [2020-04-17 14:29:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2020-04-17 14:29:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 604. [2020-04-17 14:29:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-04-17 14:29:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-04-17 14:29:34,649 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-04-17 14:29:34,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:34,649 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-04-17 14:29:34,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:29:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-04-17 14:29:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:34,651 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:34,651 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:34,651 INFO L427 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:34,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1985284700, now seen corresponding path program 6 times [2020-04-17 14:29:34,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:34,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131032030] [2020-04-17 14:29:34,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:34,989 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 41 [2020-04-17 14:29:35,797 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2020-04-17 14:29:36,052 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2020-04-17 14:29:36,218 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2020-04-17 14:29:36,381 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 43 [2020-04-17 14:29:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:37,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131032030] [2020-04-17 14:29:37,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:37,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:29:37,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167869047] [2020-04-17 14:29:37,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:29:37,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:37,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:29:37,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:29:37,255 INFO L87 Difference]: Start difference. First operand 604 states and 1306 transitions. Second operand 24 states. [2020-04-17 14:29:38,615 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-04-17 14:29:38,862 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-04-17 14:29:39,202 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2020-04-17 14:29:39,661 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2020-04-17 14:29:39,931 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2020-04-17 14:29:41,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:41,646 INFO L93 Difference]: Finished difference Result 883 states and 1877 transitions. [2020-04-17 14:29:41,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-04-17 14:29:41,646 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:29:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:41,652 INFO L225 Difference]: With dead ends: 883 [2020-04-17 14:29:41,652 INFO L226 Difference]: Without dead ends: 843 [2020-04-17 14:29:41,652 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=213, Invalid=1347, Unknown=0, NotChecked=0, Total=1560 [2020-04-17 14:29:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2020-04-17 14:29:41,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 601. [2020-04-17 14:29:41,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-04-17 14:29:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1299 transitions. [2020-04-17 14:29:41,665 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1299 transitions. Word has length 38 [2020-04-17 14:29:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:41,665 INFO L479 AbstractCegarLoop]: Abstraction has 601 states and 1299 transitions. [2020-04-17 14:29:41,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:29:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1299 transitions. [2020-04-17 14:29:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:41,666 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:41,666 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:41,667 INFO L427 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:41,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:41,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1244746070, now seen corresponding path program 7 times [2020-04-17 14:29:41,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:41,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492770293] [2020-04-17 14:29:41,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:42,036 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-04-17 14:29:42,212 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-04-17 14:29:43,273 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-04-17 14:29:43,417 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-04-17 14:29:43,569 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-04-17 14:29:44,354 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-04-17 14:29:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:44,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492770293] [2020-04-17 14:29:44,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:44,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:29:44,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899259174] [2020-04-17 14:29:44,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:29:44,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:44,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:29:44,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:29:44,798 INFO L87 Difference]: Start difference. First operand 601 states and 1299 transitions. Second operand 24 states. [2020-04-17 14:29:45,041 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-04-17 14:29:45,623 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-04-17 14:29:46,076 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-04-17 14:29:46,877 WARN L192 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2020-04-17 14:29:47,664 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2020-04-17 14:29:47,966 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2020-04-17 14:29:48,379 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2020-04-17 14:29:48,620 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2020-04-17 14:29:48,883 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-04-17 14:29:49,412 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 107 [2020-04-17 14:29:49,687 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2020-04-17 14:29:50,340 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 109 [2020-04-17 14:29:50,596 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-04-17 14:29:51,142 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-04-17 14:29:51,807 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-04-17 14:29:52,254 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-04-17 14:29:52,620 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2020-04-17 14:29:52,823 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-04-17 14:29:53,283 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-04-17 14:29:53,563 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-04-17 14:29:54,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:29:54,107 INFO L93 Difference]: Finished difference Result 1065 states and 2295 transitions. [2020-04-17 14:29:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-04-17 14:29:54,107 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:29:54,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:29:54,113 INFO L225 Difference]: With dead ends: 1065 [2020-04-17 14:29:54,113 INFO L226 Difference]: Without dead ends: 1025 [2020-04-17 14:29:54,114 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=331, Invalid=2219, Unknown=0, NotChecked=0, Total=2550 [2020-04-17 14:29:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-04-17 14:29:54,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 595. [2020-04-17 14:29:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-04-17 14:29:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 1285 transitions. [2020-04-17 14:29:54,127 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 1285 transitions. Word has length 38 [2020-04-17 14:29:54,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:29:54,127 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 1285 transitions. [2020-04-17 14:29:54,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:29:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1285 transitions. [2020-04-17 14:29:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:29:54,130 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:29:54,130 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:29:54,130 INFO L427 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:29:54,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:29:54,131 INFO L82 PathProgramCache]: Analyzing trace with hash 470853106, now seen corresponding path program 8 times [2020-04-17 14:29:54,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:29:54,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049343943] [2020-04-17 14:29:54,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:29:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:29:54,435 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2020-04-17 14:29:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:29:55,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049343943] [2020-04-17 14:29:55,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:29:55,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-04-17 14:29:55,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144039940] [2020-04-17 14:29:55,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-04-17 14:29:55,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:29:55,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-04-17 14:29:55,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-04-17 14:29:55,818 INFO L87 Difference]: Start difference. First operand 595 states and 1285 transitions. Second operand 20 states. [2020-04-17 14:29:57,808 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-04-17 14:29:57,959 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-04-17 14:29:58,340 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-04-17 14:30:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:00,437 INFO L93 Difference]: Finished difference Result 1043 states and 2244 transitions. [2020-04-17 14:30:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-04-17 14:30:00,438 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-04-17 14:30:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:00,444 INFO L225 Difference]: With dead ends: 1043 [2020-04-17 14:30:00,444 INFO L226 Difference]: Without dead ends: 1003 [2020-04-17 14:30:00,446 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=300, Invalid=1862, Unknown=0, NotChecked=0, Total=2162 [2020-04-17 14:30:00,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-04-17 14:30:00,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 605. [2020-04-17 14:30:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-04-17 14:30:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1305 transitions. [2020-04-17 14:30:00,459 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1305 transitions. Word has length 38 [2020-04-17 14:30:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:00,459 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 1305 transitions. [2020-04-17 14:30:00,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-04-17 14:30:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1305 transitions. [2020-04-17 14:30:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:30:00,461 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:00,461 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:00,461 INFO L427 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:00,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1066414914, now seen corresponding path program 9 times [2020-04-17 14:30:00,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:00,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841559127] [2020-04-17 14:30:00,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:00,813 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 44 [2020-04-17 14:30:00,964 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 45 [2020-04-17 14:30:01,173 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 47 [2020-04-17 14:30:01,337 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-04-17 14:30:01,486 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-04-17 14:30:01,719 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-04-17 14:30:01,861 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2020-04-17 14:30:02,228 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2020-04-17 14:30:02,368 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-04-17 14:30:02,506 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2020-04-17 14:30:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:03,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841559127] [2020-04-17 14:30:03,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:03,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-04-17 14:30:03,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621664817] [2020-04-17 14:30:03,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-17 14:30:03,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:03,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-17 14:30:03,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2020-04-17 14:30:03,380 INFO L87 Difference]: Start difference. First operand 605 states and 1305 transitions. Second operand 23 states. [2020-04-17 14:30:04,648 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2020-04-17 14:30:04,927 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2020-04-17 14:30:05,274 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2020-04-17 14:30:05,713 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 95 [2020-04-17 14:30:08,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:08,124 INFO L93 Difference]: Finished difference Result 791 states and 1683 transitions. [2020-04-17 14:30:08,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-04-17 14:30:08,130 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 38 [2020-04-17 14:30:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:08,138 INFO L225 Difference]: With dead ends: 791 [2020-04-17 14:30:08,138 INFO L226 Difference]: Without dead ends: 751 [2020-04-17 14:30:08,139 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=208, Invalid=1432, Unknown=0, NotChecked=0, Total=1640 [2020-04-17 14:30:08,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-04-17 14:30:08,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 607. [2020-04-17 14:30:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-04-17 14:30:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1308 transitions. [2020-04-17 14:30:08,150 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1308 transitions. Word has length 38 [2020-04-17 14:30:08,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:08,150 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 1308 transitions. [2020-04-17 14:30:08,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-17 14:30:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1308 transitions. [2020-04-17 14:30:08,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-04-17 14:30:08,152 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:08,152 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:08,152 INFO L427 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:08,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:08,153 INFO L82 PathProgramCache]: Analyzing trace with hash 564009196, now seen corresponding path program 10 times [2020-04-17 14:30:08,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:08,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621716690] [2020-04-17 14:30:08,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:08,473 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2020-04-17 14:30:09,213 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-04-17 14:30:09,456 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-04-17 14:30:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:10,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621716690] [2020-04-17 14:30:10,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:10,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-04-17 14:30:10,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839447160] [2020-04-17 14:30:10,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-04-17 14:30:10,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:10,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-04-17 14:30:10,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-04-17 14:30:10,618 INFO L87 Difference]: Start difference. First operand 607 states and 1308 transitions. Second operand 24 states. [2020-04-17 14:30:12,311 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2020-04-17 14:30:12,631 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2020-04-17 14:30:12,895 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-04-17 14:30:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:14,650 INFO L93 Difference]: Finished difference Result 791 states and 1681 transitions. [2020-04-17 14:30:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-04-17 14:30:14,651 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 38 [2020-04-17 14:30:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:14,654 INFO L225 Difference]: With dead ends: 791 [2020-04-17 14:30:14,654 INFO L226 Difference]: Without dead ends: 751 [2020-04-17 14:30:14,655 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=211, Invalid=1429, Unknown=0, NotChecked=0, Total=1640 [2020-04-17 14:30:14,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-04-17 14:30:14,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 611. [2020-04-17 14:30:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-04-17 14:30:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1316 transitions. [2020-04-17 14:30:14,664 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1316 transitions. Word has length 38 [2020-04-17 14:30:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:14,665 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 1316 transitions. [2020-04-17 14:30:14,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-04-17 14:30:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1316 transitions. [2020-04-17 14:30:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-04-17 14:30:14,666 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:14,666 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:14,667 INFO L427 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:14,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:14,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1386693267, now seen corresponding path program 1 times [2020-04-17 14:30:14,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:14,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353975550] [2020-04-17 14:30:14,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:14,961 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-04-17 14:30:15,738 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-04-17 14:30:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:16,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353975550] [2020-04-17 14:30:16,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:16,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-04-17 14:30:16,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139417304] [2020-04-17 14:30:16,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-04-17 14:30:16,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:16,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-04-17 14:30:16,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2020-04-17 14:30:16,888 INFO L87 Difference]: Start difference. First operand 611 states and 1316 transitions. Second operand 25 states. [2020-04-17 14:30:17,175 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-04-17 14:30:17,668 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-04-17 14:30:18,126 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-04-17 14:30:18,767 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2020-04-17 14:30:20,412 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2020-04-17 14:30:20,960 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-04-17 14:30:22,165 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-04-17 14:30:22,595 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-04-17 14:30:22,790 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-04-17 14:30:22,979 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-04-17 14:30:23,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:23,898 INFO L93 Difference]: Finished difference Result 977 states and 2104 transitions. [2020-04-17 14:30:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-04-17 14:30:23,898 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 39 [2020-04-17 14:30:23,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:23,900 INFO L225 Difference]: With dead ends: 977 [2020-04-17 14:30:23,900 INFO L226 Difference]: Without dead ends: 937 [2020-04-17 14:30:23,901 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=370, Invalid=2080, Unknown=0, NotChecked=0, Total=2450 [2020-04-17 14:30:23,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-04-17 14:30:23,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 613. [2020-04-17 14:30:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2020-04-17 14:30:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 1321 transitions. [2020-04-17 14:30:23,912 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 1321 transitions. Word has length 39 [2020-04-17 14:30:23,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:23,912 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 1321 transitions. [2020-04-17 14:30:23,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-04-17 14:30:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1321 transitions. [2020-04-17 14:30:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-04-17 14:30:23,916 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:23,916 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:23,916 INFO L427 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:23,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:23,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1898913243, now seen corresponding path program 1 times [2020-04-17 14:30:23,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:23,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474769807] [2020-04-17 14:30:23,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 14:30:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 14:30:23,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474769807] [2020-04-17 14:30:23,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 14:30:23,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 14:30:23,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565696084] [2020-04-17 14:30:23,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 14:30:23,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 14:30:23,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 14:30:23,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:23,955 INFO L87 Difference]: Start difference. First operand 613 states and 1321 transitions. Second operand 3 states. [2020-04-17 14:30:23,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 14:30:23,979 INFO L93 Difference]: Finished difference Result 677 states and 1449 transitions. [2020-04-17 14:30:23,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 14:30:23,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-04-17 14:30:23,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 14:30:23,981 INFO L225 Difference]: With dead ends: 677 [2020-04-17 14:30:23,981 INFO L226 Difference]: Without dead ends: 627 [2020-04-17 14:30:23,981 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 14:30:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-04-17 14:30:23,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 583. [2020-04-17 14:30:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-04-17 14:30:23,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 1247 transitions. [2020-04-17 14:30:23,991 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 1247 transitions. Word has length 40 [2020-04-17 14:30:23,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 14:30:23,991 INFO L479 AbstractCegarLoop]: Abstraction has 583 states and 1247 transitions. [2020-04-17 14:30:23,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 14:30:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1247 transitions. [2020-04-17 14:30:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-04-17 14:30:23,992 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 14:30:23,993 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 14:30:23,993 INFO L427 AbstractCegarLoop]: === Iteration 27 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 14:30:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 14:30:23,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1285220187, now seen corresponding path program 2 times [2020-04-17 14:30:23,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 14:30:23,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409668298] [2020-04-17 14:30:23,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 14:30:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 14:30:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 14:30:24,190 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 14:30:24,191 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 14:30:24,191 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 14:30:24,191 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 14:30:24,193 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 14:30:24,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [923] [923] L941-1-->L1039-2: Formula: (let ((.cse0 (= |ULTIMATE.start_empty_#res_Out-1385022559| |ULTIMATE.start_main_#t~ret62_Out-1385022559|)) (.cse1 (= (select (select |#memory_int_In-1385022559| ULTIMATE.start_empty_~q.base_In-1385022559) (+ ULTIMATE.start_empty_~q.offset_In-1385022559 1604)) |ULTIMATE.start_empty_#t~mem30_In-1385022559|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_empty_#res_Out-1385022559| (- 1))) (and .cse0 (= |ULTIMATE.start_empty_#res_Out-1385022559| 0) (= |ULTIMATE.start_empty_#t~nondet32_In-1385022559| |ULTIMATE.start_empty_#t~nondet32_Out-1385022559|) (not .cse1)))) InVars {ULTIMATE.start_empty_~q.offset=ULTIMATE.start_empty_~q.offset_In-1385022559, ULTIMATE.start_empty_#t~nondet32=|ULTIMATE.start_empty_#t~nondet32_In-1385022559|, #memory_int=|#memory_int_In-1385022559|, ULTIMATE.start_empty_#t~mem30=|ULTIMATE.start_empty_#t~mem30_In-1385022559|, ULTIMATE.start_empty_~q.base=ULTIMATE.start_empty_~q.base_In-1385022559} OutVars{ULTIMATE.start_main_#t~ret62=|ULTIMATE.start_main_#t~ret62_Out-1385022559|, ULTIMATE.start_empty_~q.offset=ULTIMATE.start_empty_~q.offset_In-1385022559, ULTIMATE.start_empty_#t~nondet32=|ULTIMATE.start_empty_#t~nondet32_Out-1385022559|, #memory_int=|#memory_int_In-1385022559|, ULTIMATE.start_empty_#t~mem30=|ULTIMATE.start_empty_#t~mem30_Out-1385022559|, ULTIMATE.start_empty_#res=|ULTIMATE.start_empty_#res_Out-1385022559|, ULTIMATE.start_empty_#t~mem31=|ULTIMATE.start_empty_#t~mem31_Out-1385022559|, ULTIMATE.start_empty_~q.base=ULTIMATE.start_empty_~q.base_In-1385022559} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret62, ULTIMATE.start_empty_#t~nondet32, ULTIMATE.start_empty_#t~mem30, ULTIMATE.start_empty_#res, ULTIMATE.start_empty_#t~mem31] because there is no mapped edge [2020-04-17 14:30:24,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [912] [912] L1039-2-->L1043-1: Formula: (and (<= |ULTIMATE.start_main_#t~ret62_In1818245752| 2147483647) (= |#memory_int_Out1818245752| (store |#memory_int_In1818245752| |ULTIMATE.start_main_~#id1~0.base_In1818245752| (store (select |#memory_int_In1818245752| |ULTIMATE.start_main_~#id1~0.base_In1818245752|) |ULTIMATE.start_main_~#id1~0.offset_In1818245752| 0))) (<= 0 (+ |ULTIMATE.start_main_#t~ret62_In1818245752| 2147483648)) (= (store |#pthreadsMutex_In1818245752| |~#m~0.base_In1818245752| (store (select |#pthreadsMutex_In1818245752| |~#m~0.base_In1818245752|) |~#m~0.offset_In1818245752| 0)) |#pthreadsMutex_Out1818245752|)) InVars {#pthreadsMutex=|#pthreadsMutex_In1818245752|, ~#m~0.base=|~#m~0.base_In1818245752|, ULTIMATE.start_main_#t~ret62=|ULTIMATE.start_main_#t~ret62_In1818245752|, ULTIMATE.start_main_~#id1~0.base=|ULTIMATE.start_main_~#id1~0.base_In1818245752|, ~#m~0.offset=|~#m~0.offset_In1818245752|, #memory_int=|#memory_int_In1818245752|, ULTIMATE.start_main_~#id1~0.offset=|ULTIMATE.start_main_~#id1~0.offset_In1818245752|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1818245752|, ~#m~0.base=|~#m~0.base_In1818245752|, ULTIMATE.start_main_#t~ret62=|ULTIMATE.start_main_#t~ret62_Out1818245752|, ULTIMATE.start_main_~#id1~0.base=|ULTIMATE.start_main_~#id1~0.base_In1818245752|, ~#m~0.offset=|~#m~0.offset_In1818245752|, #memory_int=|#memory_int_Out1818245752|, ULTIMATE.start_main_~#id1~0.offset=|ULTIMATE.start_main_~#id1~0.offset_In1818245752|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret62, #memory_int] because there is no mapped edge [2020-04-17 14:30:24,207 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [911] [911] L941-1-->L995-2: Formula: (let ((.cse0 (= |t1Thread1of1ForFork0_empty_#t~mem30_In2061552689| (select (select |#memory_int_In2061552689| t1Thread1of1ForFork0_empty_~q.base_In2061552689) (+ t1Thread1of1ForFork0_empty_~q.offset_In2061552689 1604)))) (.cse1 (= |t1Thread1of1ForFork0_#t~ret53_Out2061552689| |t1Thread1of1ForFork0_empty_#res_Out2061552689|))) (or (and (= |t1Thread1of1ForFork0_empty_#res_Out2061552689| (- 1)) .cse0 .cse1) (and (not .cse0) .cse1 (= |t1Thread1of1ForFork0_empty_#t~nondet32_In2061552689| |t1Thread1of1ForFork0_empty_#t~nondet32_Out2061552689|) (= |t1Thread1of1ForFork0_empty_#res_Out2061552689| 0)))) InVars {t1Thread1of1ForFork0_empty_~q.base=t1Thread1of1ForFork0_empty_~q.base_In2061552689, t1Thread1of1ForFork0_empty_#t~nondet32=|t1Thread1of1ForFork0_empty_#t~nondet32_In2061552689|, t1Thread1of1ForFork0_empty_#t~mem30=|t1Thread1of1ForFork0_empty_#t~mem30_In2061552689|, #memory_int=|#memory_int_In2061552689|, t1Thread1of1ForFork0_empty_~q.offset=t1Thread1of1ForFork0_empty_~q.offset_In2061552689} OutVars{t1Thread1of1ForFork0_empty_~q.base=t1Thread1of1ForFork0_empty_~q.base_In2061552689, t1Thread1of1ForFork0_#t~ret53=|t1Thread1of1ForFork0_#t~ret53_Out2061552689|, t1Thread1of1ForFork0_empty_#t~nondet32=|t1Thread1of1ForFork0_empty_#t~nondet32_Out2061552689|, t1Thread1of1ForFork0_empty_#res=|t1Thread1of1ForFork0_empty_#res_Out2061552689|, t1Thread1of1ForFork0_empty_#t~mem31=|t1Thread1of1ForFork0_empty_#t~mem31_Out2061552689|, t1Thread1of1ForFork0_empty_#t~mem30=|t1Thread1of1ForFork0_empty_#t~mem30_Out2061552689|, #memory_int=|#memory_int_In2061552689|, t1Thread1of1ForFork0_empty_~q.offset=t1Thread1of1ForFork0_empty_~q.offset_In2061552689} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret53, t1Thread1of1ForFork0_empty_#t~nondet32, t1Thread1of1ForFork0_empty_#res, t1Thread1of1ForFork0_empty_#t~mem31, t1Thread1of1ForFork0_empty_#t~mem30] because there is no mapped edge [2020-04-17 14:30:24,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 02:30:24 BasicIcfg [2020-04-17 14:30:24,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 14:30:24,362 INFO L168 Benchmark]: Toolchain (without parser) took 258467.79 ms. Allocated memory was 144.2 MB in the beginning and 293.6 MB in the end (delta: 149.4 MB). Free memory was 100.1 MB in the beginning and 87.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 162.3 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,363 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 970.75 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 129.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.56 ms. Allocated memory is still 201.9 MB. Free memory was 129.6 MB in the beginning and 126.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,364 INFO L168 Benchmark]: Boogie Preprocessor took 49.25 ms. Allocated memory is still 201.9 MB. Free memory was 126.8 MB in the beginning and 124.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,367 INFO L168 Benchmark]: RCFGBuilder took 862.38 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 124.0 MB in the beginning and 194.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,368 INFO L168 Benchmark]: TraceAbstraction took 256474.00 ms. Allocated memory was 232.8 MB in the beginning and 293.6 MB in the end (delta: 60.8 MB). Free memory was 193.2 MB in the beginning and 87.2 MB in the end (delta: 106.0 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. [2020-04-17 14:30:24,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 970.75 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 129.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 79.56 ms. Allocated memory is still 201.9 MB. Free memory was 129.6 MB in the beginning and 126.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.25 ms. Allocated memory is still 201.9 MB. Free memory was 126.8 MB in the beginning and 124.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 862.38 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 124.0 MB in the beginning and 194.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256474.00 ms. Allocated memory was 232.8 MB in the beginning and 293.6 MB in the end (delta: 60.8 MB). Free memory was 193.2 MB in the beginning and 87.2 MB in the end (delta: 106.0 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 7.5s, 234 ProgramPointsBefore, 66 ProgramPointsAfterwards, 244 TransitionsBefore, 71 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 8 FixpointIterations, 62 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 24 ConcurrentYvCompositions, 5 ChoiceCompositions, 7978 VarBasedMoverChecksPositive, 171 VarBasedMoverChecksNegative, 55 SemBasedMoverChecksPositive, 184 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 0 MoverChecksTotal, 29908 CheckedPairsTotal, 205 TotalNumberOfCompositions - CounterExampleResult [Line: 1024]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L928] 0 pthread_mutex_t m; [L930] 0 int stored_elements[(400)]; [L931] 0 _Bool enqueue_flag, dequeue_flag; [L932] 0 QType queue; [L1035] 0 pthread_t id1, id2; [L1036] 0 enqueue_flag=(1) [L1037] 0 dequeue_flag=(0) [L935] 0 q->head=0 [L936] 0 q->tail=0 [L937] 0 q->amount=0 [L941] 0 q->head [L1043] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, &queue) VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L988] 1 int value, i; [L990] 1 value = __VERIFIER_nondet_int() [L961] EXPR 1 q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L961] 1 q->element[q->tail] = x [L962] EXPR 1 q->amount [L962] 1 q->amount++ [L963] EXPR 1 q->tail [L963] COND FALSE 1 !(q->tail == (400)) [L969] EXPR 1 q->tail [L969] 1 q->tail++ [L971] 1 return 0; [L991] COND FALSE 1 !(enqueue(&queue,value)) [L994] 1 stored_elements[0]=value [L941] 1 q->head VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L995] COND FALSE 1 !(empty(&queue)) [L999] 1 i=0 VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1044] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, &queue) VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1017] 2 int i; [L1018] 2 i=0 VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1018] COND TRUE 2 i<(400) [L1021] COND FALSE 2 !(\read(dequeue_flag)) VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1018] 2 i++ VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L999] COND TRUE 1 i<((400)-1) [L1002] COND TRUE 1 \read(enqueue_flag) [L1004] 1 value = __VERIFIER_nondet_int() [L961] EXPR 1 q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L961] 1 q->element[q->tail] = x [L962] EXPR 1 q->amount [L962] 1 q->amount++ [L963] EXPR 1 q->tail [L963] COND FALSE 1 !(q->tail == (400)) VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L969] EXPR 1 q->tail [L969] 1 q->tail++ [L971] 1 return 0; VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1006] 1 stored_elements[i+1]=value VAL [dequeue_flag=0, enqueue_flag=1, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1007] 1 enqueue_flag=(0) VAL [dequeue_flag=0, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1008] 1 dequeue_flag=(1) VAL [dequeue_flag=1, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] [L1018] COND TRUE 2 i<(400) [L1021] COND TRUE 2 \read(dequeue_flag) [L975] 2 int x; [L976] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] [L976] EXPR 2 q->element[q->head] [L976] 2 x = q->element[q->head] VAL [dequeue_flag=1, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] [L977] EXPR 2 q->amount [L977] 2 q->amount-- [L978] EXPR 2 q->head [L978] COND FALSE 2 !(q->head == (400)) VAL [dequeue_flag=1, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] [L983] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] [L983] 2 q->head++ [L984] 2 return x; [L1023] EXPR 2 stored_elements[i] [L1023] COND TRUE 2 !dequeue(&queue)==stored_elements[i] [L1024] 2 __VERIFIER_error() VAL [dequeue_flag=1, enqueue_flag=0, m={6:0}, queue={17:0}, stored_elements={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 256.1s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 206.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: 1514 SDtfs, 3240 SDslu, 8879 SDs, 0 SdLazy, 25124 SolverSat, 788 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 72.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 38 SyntacticMatches, 72 SemanticMatches, 621 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4382 ImplicationChecksByTransitivity, 161.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1201occurred 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: 0.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 3575 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 39.4s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 726 ConstructedInterpolants, 0 QuantifiedInterpolants, 1381089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 1/1 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...